World Wide Network...No 76 TUAS SOUTH AVENUE 2 SINGAPORE 637519 TEL:65-6316-2508 FAX:65-6316-2509...
16
SERVOFLEX SFC High performance metal disk coupling
Transcript of World Wide Network...No 76 TUAS SOUTH AVENUE 2 SINGAPORE 637519 TEL:65-6316-2508 FAX:65-6316-2509...
SERVOFLEX SFCHigh performance metal disk coupling
'15.06-1-MP-SFC2(eu)-001A
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■ GROUP COMPANIES
■ DISTRIBUTORS
■ JOINT VENTURE COMPANIES
■ PARTNERS
AUSTRALIANAISMITH ENGINEERING & MANUFACTURING CO. PTY. LTD.149 HEIDELBERG ROAD, NORTHCOTE 3070,VICTORIA, AUSTRALIATEL:61-3-9489-9811 FAX:61-3-9482-1474
24 CHINAROSTA MP (SHANGHAI) CO.,LTD.ROOM 201A,BULDING 1 NO.518 SHENWANG ROAD, MINHANG DISTRICT,SHANGHAI CHINATEL:86-21-5428-9775 FAX:86-21-5428-9852
CHINACENTA MP (SHANGHAI) CO.,LTD.D3-1F,NO.479 CHUNDONG ROAD,XINGZHUANG INDUSTRY PARK,SHANGHAI 201108,CHINATEL:86-21-54831381 FAX:86-21-54831380
13 U.S.A.LOVEJOY, INC.2655 WISCONSIN AVENUE, DOWNERS GROVE, ILLINOIS 60515, U.S.A.TEL:1-630-852-0500 FAX:1-630-852-2120
26 AUSTRALIAR. R. FISHER & CO., LTD.UNIT 23 BLOCK E., CARINGBAHBUSINESS PARK 1-3, ENDEAVOUR ROAD, CARINGBAH NSW 2229, AUSTRALIATEL:61-2-9540-4533 FAX:61-2-9540-4079
28 CHINANANJING ANSEN M & E EQUIPMENT CO., LTD.WEST BLOCK, 2/F , NO.1 BUILDING, SCIENCE & TECHNOLOGY GARDEN, No.12 DINGHUAIMEN, NANJING.TEL:86-25-8375-2618 FAX:86-25-8375-2698
29 CHINASHANGHAI HUITONG AUTOMATIC TECHNOLOGY DEVELOPMENT CO., LTD.16F JINYI MANSION 441 HENAN NORTH ROAD SHANGHAI, 200071 CHINATEL:86-21-6357-0803 FAX:86-21-6357-0802
27 BRAZILKAISHIN INDUSTRIA E COMERCIO LTDA.RUA ANTONIO FIDELIS, 398-LAPA DEBAIXO CEP:05068-001-SAO PAULO-SP-BRAZILTEL:55-11-3617-3141 FAX:55-11-3617-3142
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17 CHINAMIKI PULLEY(TIANJIN) CO., LTD.NO.2 LIAO HE BEI DAO, BEI CHEN HIGH-TECHPARK TIANJIN, P.C. 300410, CHINATEL:86-22-2630-3111 FAX:86-22-2672-3111
31CHINATIANJIN ACE PILLAR CO., LTD.NO.3 WEST 10 AVENUE, TIANJIN AIRPORTINDUSTRIAL PARK, TIANJIN CHINA, 300308TEL:86-22-2355-6000 FAX:86-22-2355-6368
GERMANYCENTA ANTRIEBE KIRSCHEY GmbHBERGISCHE STRASSE 7 42781 HAAN, GERMANYTEL:49-2129-9120 FAX:49-2129-2790
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GERMANY LENZE SEP.O.BOX 10 13 52, D-31763 HAMELN, HAUS-LENZESTRASSE 1, D-31855 AERZEN, GERMANYTEL:49-5154-82-0 FAX:49-5154-82-2800
04
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GERMANYMASCHINENFABRIK MOENNINGHOFF GmbH & CO KGBESSEMERSTRASSE 100 44793 BOCHUM P.O.BOX 10 17 49, 44717 BOCHUM, GERMANYTEL:49-234-3335-0 FAX:49-234-3335-200
21
HONG KONGMIKI PULLEY(HONG KONG)CO., LTD.5TH FL., CCT TELECOM BLDG., 11WO SHING STREET, FO TAN, HONG KONGTEL:852-2947-7508 FAX:852-2947-7518
33
HONG KONGON GEAR E & M PRODUCTS LTD.RM 506-509 5/F., CCT TELECOM BUILDING, 11 WOSHING STREET, FO TAN, HONG KONGTEL:852-2690-3320 FAX:852-2690-2326
34
INDIAMIKI PULLEY (INDIA) PVT. LTD.PLOT B-29/2, MIDC, TALOJA-410 208, DIST : RAIGAD,NAVI MUMBAI, INDIATEL:91-22-2741-1922 FAX:91-22-2741-1933
35 36INDONESIAPD. CENTRAL TEHNIKJL GUNUNG SAHARI, KOMP. MARINA MANGGA DUA BLOCK F NO.1 JAKARTA 14420 - INDONESIATEL:62-21-645-5152 FAX:62-21-640-3975
18 CHINAMIKI PULLEY (TIANJIN) CO., LTD. SHANGHAI BRANCHRM 2603, 26/F, BUILDING A, FAR EAST INTERNATIONAL PLAZA, NO.319 XIAN XIA RD., SHANGHAITEL:86-21-6249-6161 FAX:86-21-6249-9397
01
DENMARKZERO-MAX A/SHAARUP TVAERVEJ 1, HAARUP, DK-8600 SILKEBORG, DENMARKTEL:45-8681-2288 FAX:45-8681-5388
15
CZECH REPUBLICCOROLL s.r.o.HOSTOVSKEHO 525, 549 31 HRONOV. CZECH REPUBLICTEL:420-491-483-805 FAX:420-491-483-805
32
GERMANYSCHMIDT-KUPPLUNG GmbHWILHELM-MAST-STRASSE 15 D-38304 WOLFENBUETTEL, GERMANYTEL:49-5331-9552-500 FAX:49-5331-9552-552
55 GERMANYSCHMIDT-KUPPLUNG GmbHWILHELM-MAST-STRASSE 15 D-38304 WOLFENBUETTEL, GERMANYTEL:49-5331-9552-500 FAX:49-5331-9552-552
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INDONESIAPT. HIMALAYA EVEREST JAYA.JL. DAAN MOGOT KM. 10 NO.151 KEDAUNG KALI PESING POGLAR JAKARTA 11710, INDONESIATEL:62-21-544-8965 FAX:62-21-619-4658
ISRAELDOR DRIVE SYSTEM JAYA.KIBBUTS EINAT 48805, P.O.B. 6, ISRAELTEL:972-3-900 7595 FAX:972-3-900 7599
37
ITALY BIANCHI INDUSTRIAL S. p. A. A SOCIO UNICOVIA G. ZURETTI, 100 - 20125 MILANO, ITALYTEL:39-0267861 FAX:39-026701062
38
ITALY MOTOVARIO S. p. A.VIA QUATTROPASSI, 1/3-41043 FORMIGINE (MO), ITALYTEL:39-059579711 FAX:39-059579710
39MALAYSIAHIMALAYA POWER TRANSMISSION SDN. BHD.GROUND & 1ST FLOOR, BINTULU-MINI ROOD, SUBLOT 4, LOT 1175, BLOCK 32, KEMENA LAND DISTRICT, 97000BINTULU, SARAWAK, P.O.BOX 3052, 97014, MALAYSIA,TEL:60-86-311930 FAX:60-86-311039
40MALAYSIASING HUAT HARDWARE & MACHINERY(M) SDN BHDLOT 4 JALAN SS 13/4 SUBANG JAYA IND ESTATE, SUBANG JAYA, 47500 PETALING JAYA, SELANGOR, MALAYSIATEL:60-3-5633-7655 FAX:60-3-5633-9700
NETHERLANDSAMMERTECH B. V.ACHTERDIJK 15; 5705 CB HELMOND, THE NETHERLANDSTEL:31-492 594 300 FAX:31-492 594 349
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NEW ZEALANDR. R. FISHER & CO., LTD.13 SPRING STREET, PAPATOETOE, AUCKLAND, NEW ZEALANDTEL:64-9278-4059 FAX:64-9279-8286
43PHILIPPINESLEELENG COMMERCIAL, INC.387-393 DASMARINAS STREET P.O. BOX 480, MANILA, PHILIPPINESTEL:63-2-241 8901 FAX:63-2-241 4060
07 SINGAPORECENTA TRANSMISSIONS FAR EAST PTE., LTD.No 76 TUAS SOUTH AVENUE 2 SINGAPORE 637519TEL:65-6316-2508 FAX:65-6316-2509
SINGAPOREACE PILLAR(S) PTE LTD.NO.1, KAKI BUKIT AVE 3, KB-1, #06-02, SINGAPORE 416 087TEL:65-6748-6586 FAX:65-6748-5613
45 SINGAPORESEIMITSU FACTORY AUTOMATION (S) PTE LTDNO. 240 MACPHERSON ROAD, #04-06,PINES INDUSTRIAL BUILDING, SINGAPORE 348574TEL:65-6747-8816 FAX:65-6747-8827
SINGAPORESING HUAT HARDWARE & MACHINERY PTE., LTD.327-329, JALAN BESAR 208981 SINGAPORETEL:65-6293-6861 FAX:65-6293-8516
46
SOUTH KOREAMIKI PULLEY (KOREA) CO., LTD.302-406 IT BUCHEON TECHNO-PARK SSANGYOUNG 3CHA 36-1 SAMJEONG-DONG(397 SEOKCHEON-RO)OJEONG-GU BUCHEON-SI KYEONGGI-DO SOUTH KOREA 421-742TEL:82-32-624-1750 FAX:82-32-624-1752
19
SPAINRODAMIENTOS FEYC S.A.C/PROGRES, 127-133 POL. IND. ALMEDA08940 CORNELLA DE. LLOBREGATTEL:34 934 740 464 FAX:34 934 745 893
47
SWEDENETP TRANSMISSION AB.BOX 1120, S-581 11, LINKOEPING, SWEDENTEL:46-13247100 FAX:46-13247190
44PORTUGALRF PORTUGAL - ROLAMENTOS E COMPONENTES, LDA.RUA DO CASTANHAL, 682 Z.I. DA MAIA SECTOR II 4475-122 MAIA, PORTUGALTEL:351 22 947 8950 FAX:351 22 947 8960
42 POLANDADMECHKARAKOWASKA 50 STREET, BALICE, 32-083, POLANDTEL:48 12 630-47-62 FAX:48 12 630-47-00
08
SWITZERLANDBAMATEC AGFABRIKSTRASSE POSTFACH CH 8734 ERMENSWIL, SWITZERLANDTEL:41-55-2868-585 FAX:41-55-2868-525
12 U.S.A.HELICAL PRODUCTS COMPANY, INC.901 WEST McCOY LANE, P.O.BOX 1069, SANTA MARIA, CALIFORNIA 93456-1069, U.S.A.TEL:1-805-928-3851 FAX:1-805-928-2369
53 U.S.A.BRAKECLUTCH,LLC48 VISTA Dr. FLANDERS, NEW JERSEY 07836, U.S.A.TEL:1-973-584-4539 FAX:1-973-584-2371
11 U.S.A.CENTA CORPORATION2570 BEVERLY DRIVE #128 AURORA, ILLINOIS 60502-8588 U.S.A.TEL:1-630-236-3500 FAX:1-630-236-3565
52 U.KHMK TECHNICAL SERVICES LTD.KAPPA HOUSE HATTER STREET CONGLETON CHESHIRE CW12 1QJ UNITED KINGDOMTEL:44 1260 279411 FAX:44 1260 281022
02
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SWITZERLAND ROSTA AGHAUPTS TRASSE 58 SH-5502, HUNZENSCHWIL,SWITZERLANDTEL:41-62-897-2421 FAX:41-62-897-1510
10
TAIWANACE PILLAR CO., LTD.2F NO.7, LANE 83 SEC 1, KUANG-FU RD., SAN-CHUNG CITY, TAIPEI HSIEN 241, TAIWANTEL:886-2-2995-8400 FAX:886-2-2995-3466
48
TAIWAN MIKI PULLEY(TAIWAN)CO., LTD.NO.46-2, KEYA RD., DAYA DISTRICT, TAICHUNG CITY, 428, TAIWAN
20
THAILANDNAM SAE INTERNATIONAL TRADING CO., LTD.32-34, SOI SRITHAMMATIRAD, CHAROENKRUNG ROAD, POMPRAB,BANGKOK 10100, THAILANDTEL:66-2-222-0072 FAX:66-2-224-8071
50THAILANDID MART CO., LTD.168/57 NAKNIWAS ROAD, KHWAENG LADPRAO, KHET LADPRAO, BANGKOK 10230, THAILANDTEL:66-2530-3777 FAX:66-2530-6777
49 TURKEYPOLYMAK MUHENDISLIK-AHMET COMAKESENSEHIR MAH. KURKCULER CAD. ERYILMAZ SOK. NO:31 DUDULLU ‒ ESENSEHIR UMRANIYE ISTANBUL, TURKEYTEL:90-216-527 3030 FAX:90-216-527 6510
09
14 U.S.A.ZERO-MAX, INC.13200 SIXTH AVENUE NORTH, PLYMOUTH, MINNESOTA 55441, U.S.A.TEL:1-763-546-4300 FAX:1-763-546-8260
TEL:886-4-3700-7708 FAX:886-4-2565-8700
54 VIETNAMANH NGHI SON SERVICE TRADING CO., LTD.D3 MIEU NOI RESIDENT AREA, DINH TIEN HOANG STREET, W.3, BINH THANH DIST., HCMC, VIETNAMTEL:84 8 3517 0401 FAX:84 8 3517 0403
22 SWITZERLANDMIKI PULLEY (EUROPE) AGRHEINWEG 5, 8200 SCHAFFHAUSEN, SWITZERLANDTEL:41-52-625-2424 FAX:41-52-625-2429
GERMANYINTORQ GmbH & Co.KGWULMSER WEG5,D-31855 AERZEN GERMANYTEL:49-5154-9539-41 FAX:49-5154-9539-10
World Wide Network
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16 325049
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4137 38
33 34
07444645
1930 2335
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474309
3952
012205
1508
55 0402
3142
36 0651
1003
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002 MIKI PULLEY SERVOFLEX MIKI PULLEY SERVOFLEX 003
*These measurement results were calculated from actual experiments performed using MIKI PULLEY procedures and are not to be interpreted as guarantees of product performance.
Optimal design by 3D-CAD and FEM
An optimal design using the finite element method (FEM) is applied for the metal disk shape design.
BENDING RADIAL
TORQUE THRUST
Element material metal disk： SUS304, collar： SUS304
Clump hub and spacer Material： High-strength aluminum alloy Surface finishing： Alumite treatment
Bolt Material： Alloy steel for machine structural use Surface finishing： trivalent chrome treatment
Clump bolt Material： Alloy steel for machine structural use Surface finishing： Solid lubricant coating* Size 002 is black oxide finishing.
* Size 080,090,100 are anti-rust coating.
* The collar material of size 080,090,100 are S45C and surface finishing is trivalent chrome treatment.
Heat rejection
The stainless-steel plate spring reduces thermal conduction from a servo motor to the driven shaft, which also reduces variations in
accuracy caused by thermal expansion.
0 30 60 90 120 150 180Time [min]
Each portion temperature transition
0
10
20
30
40
50
60
70
80
Tem
pera
ture
［℃
］
A
B
C
A B C
No backlash
No backlash, accurate shaft rotation, and precise control.
Elastic （metal） couplingMetal disk ： SERVOFLEX
Elastic （rubber, plastic） couplingrubber, plastic compression, etc
Correction couplingOldham, pin bush, etc
No backlash Pseudo backlash Backlash
High-rigidity metal disk flexible couplings
A layered metal disk is rigid in the torsional direction and flexible in the parallel misalignment, angular, and axial direction.
SFF SS(N) SFC SA2 SFC DA20
20
25
30
35
40
15
10
5
Oldham Cross-slit Heli-cal
Torsional rigidity comparison of couplings
Types of coupling
Tors
iona
l rig
idit
y ×
10
3［
N・
m/r
ad］
Outer diameter φ48 Outer diameter φ56 Outer diameter φ56
SERVOFLEX
High-stiffness and low-inertia couplingsMetal disc couplings developed for high-speed, high-precision positioning, and ultra-precise control of servomotors, etc. While achieving high torsional stiffness, high torque, low inertia, and high response speed, these couplings are also flexible in the parallel misalignment direction, in the angular directions, and in the axial direction.This model has a single element type that emphasizes stiffness and a double element type that emphasizes flexibility.A wide variety of options such as a tapered shaft, length-specified special order, and keyway milling application are available.
002 MIKI PULLEY SERVOFLEX MIKI PULLEY SERVOFLEX 003
*These measurement results were calculated from actual experiments performed using MIKI PULLEY procedures and are not to be interpreted as guarantees of product performance.
Optimal design by 3D-CAD and FEM
An optimal design using the finite element method (FEM) is applied for the metal disk shape design.
BENDING RADIAL
TORQUE THRUST
Element material metal disk： SUS304, collar： SUS304
Clump hub and spacer Material： High-strength aluminum alloy Surface finishing： Alumite treatment
Bolt Material： Alloy steel for machine structural use Surface finishing： trivalent chrome treatment
Clump bolt Material： Alloy steel for machine structural use Surface finishing： Solid lubricant coating* Size 002 is black oxide finishing.
* Size 080,090,100 are anti-rust coating.
* The collar material of size 080,090,100 are S45C and surface finishing is trivalent chrome treatment.
Heat rejection
The stainless-steel plate spring reduces thermal conduction from a servo motor to the driven shaft, which also reduces variations in
accuracy caused by thermal expansion.
0 30 60 90 120 150 180Time [min]
Each portion temperature transition
0
10
20
30
40
50
60
70
80Te
mpe
ratu
re ［
℃］
A
B
C
A B C
No backlash
No backlash, accurate shaft rotation, and precise control.
Elastic （metal） couplingMetal disk ： SERVOFLEX
Elastic （rubber, plastic） couplingrubber, plastic compression, etc
Correction couplingOldham, pin bush, etc
No backlash Pseudo backlash Backlash
High-rigidity metal disk flexible couplings
A layered metal disk is rigid in the torsional direction and flexible in the parallel misalignment, angular, and axial direction.
SFF SS(N) SFC SA2 SFC DA20
20
25
30
35
40
15
10
5
Oldham Cross-slit Heli-cal
Torsional rigidity comparison of couplings
Types of coupling
Tors
iona
l rig
idit
y ×
10
3［
N・
m/r
ad］
Outer diameter φ48 Outer diameter φ56 Outer diameter φ56
SERVOFLEX
High-stiffness and low-inertia couplingsMetal disc couplings developed for high-speed, high-precision positioning, and ultra-precise control of servomotors, etc. While achieving high torsional stiffness, high torque, low inertia, and high response speed, these couplings are also flexible in the parallel misalignment direction, in the angular directions, and in the axial direction.This model has a single element type that emphasizes stiffness and a double element type that emphasizes flexibility.A wide variety of options such as a tapered shaft, length-specified special order, and keyway milling application are available.
004 MIKI PULLEY SERVOFLEX 005To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
How to Place an Order SFC-025SA2-10B-14BSize
Type SA2: Single element, Aluminum alloy hub
Affixing method B: Clamp
Bore dia. d1 (Small dia.)
Bore dia. d2 (Large dia.)
Model3d1･d2 4 5 6 6.35 7 8 9 9.525 10 11 12 13 14 15 16
Standard bore diameters d1･d2 [mm] and Rated torque, which is limited [N･m]
17 18
■ Standard bore diameters
19 20 22 24 25 28 30 32 35 38 40 42 45
SFC-002SA2
SFC-005SA2
SFC-010SA2
SFC-020SA2
SFC-025SA2
SFC-030SA2
SFC-035SA2
SFC-040SA2
SFC-050SA2
SFC-055SA2
SFC-060SA2
SFC-080SA2
SFC-090SA2
SFC-100SA2
●●●●●●
d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2
●●●●●●●●
●●●●●●●●
2.12.12.82.8
●●●●●●●●
3.43.455
●●●●●●●●55
●●●●●●●●
6.66.6
●●●●●●●●●●99
1818
●●●●●●●●●●2020
●●●●●●●●●●2222
●●●●●●●●●●22223131
●●●●●●●●●●●34345050
●●●●●●●●●●36365151
●●●●●●●●●●3838●●
●●●●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●
226226
●●●●●●●
●●●●●
●●●●●
●●●
●●●
●●●●●●●●
●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●
* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult MIKI PULLEY regarding special arrangements for other bore diameters. * Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].
Model
SFC-002SA2SFC-005SA2SFC-010SA2SFC-020SA2SFC-025SA2
SFC-030SA2
SFC-035SA2
SFC-040SA2
SFC-050SA2
SFC-055SA2
SFC-060SA2
SFC-080SA2SFC-090SA2SFC-100SA2
Shapetype Min. Max. Min. Max.
CCCCCABCCABCABCCABCCCC
3334555
Over10688
Over1588
Over19101111
Over24182532
568
10141010141615151919192530242430354045
333455
Over10Over10
68
Over15Over15
8Over19Over19
1011
Over24Over24
182532
568
11141016161815222219303030243535404545
121619262934343439444444565656636868688294
104
-----
21.621.6
--
29.629.6
-3838--
4646----
12.3516.7
19.3523.1523.427.327.327.334343434
43.443.443.450.653.653.653.668
68.369.8
5.97.859.15
10.7510.7512.412.412.415.515.515.515.520.520.520.524
25.225.225.2303030
0.551
1.051.651.92.52.52.53333
2.42.42.42.63.23.23.28
8.39.8
-----88--
1111-
14.514.5
--
17.517.5
----
12.4---------------------
3.74.8
5.8*1
9.511-
12.512.514-
1717-
222223-
26.526.5283439
d1 [mm] d2 [mm] D[mm]
DB[mm]
N[mm]
L[mm]
LF[mm]
S[mm]
A1[mm]
A2[mm]
1.92.5
3.153.33.3
3.753.753.754.54.54.54.5666
7.757.757.757.75
999
C[mm]
5.66.58.5
10.614.514.514.514.517
19.519.519.526262631313131384248
K[mm]
1-M1.61-M2
1-M2.5*2
1-M2.51-M2.51-M31-M31-M31-M41-M41-M41-M41-M51-M51-M51-M61-M61-M61-M61-M81-M81-M8
M Quantity -Nominal dia.
0.23 ～ 0.280.4 ～ 0.5
1.0 ～ 1.1*2
1.0 ～ 1.11.0 ～ 1.11.5 ～ 1.91.5 ～ 1.91.5 ～ 1.93.4 ～ 4.13.4 ～ 4.13.4 ～ 4.13.4 ～ 4.17.0 ～ 8.57.0 ～ 8.57.0 ～ 8.514 ～ 1514 ～ 1514 ～ 1514 ～ 1527 ～ 3027 ～ 3027 ～ 30
Tighteningtorque [N･m]
■ Dimensions
＋0.010－0.025
* The øDB value is measured assuming that the head of the clamping bolt is larger than the external diameter of the hub. * The nominal diameter for the clamping bolt M is equal to the quantity - the nominal diameter of the screw, where the quantity is for a hub on one side. * For items marked with *1, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, this value is 6. * For items marked with *2, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, then this is 1-M2. The M2 tightening torque is 04 to 0.5 N·m. * The recommended processing tolerance for paired mounting shafts is the g6, h6 or h7 class. However, for a shaft diameter of ø35, the tolerance is .
φd1
φd2
A2
CLF
LS
MK
φDB
φD
Shape type C
φd1 φ
d2
A1
CLF
LS
M
φD
Shape type B
φN
φd1
φd2
A1
CLF
LS
M
φD
Shape type A
φN
CAD
Model
SFC-002SA2SFC-005SA2SFC-010SA2SFC-020SA2SFC-025SA2
SFC-030SA2
SFC-035SA2
SFC-040SA2
SFC-050SA2
SFC-055SA2
SFC-060SA2
SFC-080SA2SFC-090SA2SFC-100SA2
Shapetype
CCCCCABCCABCABCCABCCCC
0.250.61245558
10101025252540606060
100180250
0.30.81.32.65.26.56.56.51013131332323252787878
130234325
0.010.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.02
0.50.511111111111111111111
10000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000
190500
140037005600800080008000
1800020000200002000032000320003200050000700007000070000
140000100000120000
341401406460646464
11280808048484843
76.476.476.4128108111
0.0030.0070.0110.0250.0290.0340.0410.0490.0840.0770.0880.1030.1590.1770.2060.3140.2830.3260.3850.7080.9461.202
0.06×10－6
0.26×10－6
0.58×10－6
2.39×10－6
3.67×10－6
4.07×10－6
6.09×10－6
8.20×10－6
18.55×10－6
16.71×10－6
22.98×10－6
29.68×10－6
55.71×10－6
76.26×10-－6
99.03×10－6
188.0×10－6
145.9×10－6
205.0×10－6
268.6×10－6
710.6×10－6
1236×10－6
1891×10－6
±0.04±0.05±0.1
±0.15±0.19±0.2±0.2±0.2
±0.25±0.3±0.3±0.3±0.4±0.4±0.4
±0.42±0.45±0.45±0.45±0.55±0.65±0.74
Ratedtorque[N･m]
Peaktorque[N･m]
Misalignment
Parallel[mm]
Angular[°]
Axial[mm]
Max. rotationspeed[min－1]
Torsionalstiffness[N･m/rad]
Axialstiffness[N/mm]
Momentof inertia[kg･m2]
Mass
[kg]
■ Specifications
* The rated torque of the coupling may be limited for bore diameters. Consult "Standard Bore Diameters”. * Peak torque is vailid for both rotational direction, max. stress <=107 * Max. rotation speed does not take into account dynamic balance. * Torsional stiffness values given are measured values for the element alone. * The moment of inertia and mass are measured for the max. bore diameter.
SERVOFLEX SFC SA2
Single Element Type
004 MIKI PULLEY SERVOFLEX 005To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
How to Place an Order SFC-025SA2-10B-14BSize
Type SA2: Single element, Aluminum alloy hub
Affixing method B: Clamp
Bore dia. d1 (Small dia.)
Bore dia. d2 (Large dia.)
Model3d1･d2 4 5 6 6.35 7 8 9 9.525 10 11 12 13 14 15 16
Standard bore diameters d1･d2 [mm] and Rated torque, which is limited [N･m]
17 18
■ Standard bore diameters
19 20 22 24 25 28 30 32 35 38 40 42 45
SFC-002SA2
SFC-005SA2
SFC-010SA2
SFC-020SA2
SFC-025SA2
SFC-030SA2
SFC-035SA2
SFC-040SA2
SFC-050SA2
SFC-055SA2
SFC-060SA2
SFC-080SA2
SFC-090SA2
SFC-100SA2
●●●●●●
d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2
●●●●●●●●
●●●●●●●●
2.12.12.82.8
●●●●●●●●
3.43.455
●●●●●●●●55
●●●●●●●●
6.66.6
●●●●●●●●●●99
1818
●●●●●●●●●●2020
●●●●●●●●●●2222
●●●●●●●●●●22223131
●●●●●●●●●●●34345050
●●●●●●●●●●36365151
●●●●●●●●●●3838●●
●●●●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●
226226
●●●●●●●
●●●●●
●●●●●
●●●
●●●
●●●●●●●●
●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●
* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult MIKI PULLEY regarding special arrangements for other bore diameters. * Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].
Model
SFC-002SA2SFC-005SA2SFC-010SA2SFC-020SA2SFC-025SA2
SFC-030SA2
SFC-035SA2
SFC-040SA2
SFC-050SA2
SFC-055SA2
SFC-060SA2
SFC-080SA2SFC-090SA2SFC-100SA2
Shapetype Min. Max. Min. Max.
CCCCCABCCABCABCCABCCCC
3334555
Over10688
Over1588
Over19101111
Over24182532
568
10141010141615151919192530242430354045
333455
Over10Over10
68
Over15Over15
8Over19Over19
1011
Over24Over24
182532
568
11141016161815222219303030243535404545
121619262934343439444444565656636868688294
104
-----
21.621.6
--
29.629.6
-3838--
4646----
12.3516.7
19.3523.1523.427.327.327.334343434
43.443.443.450.653.653.653.668
68.369.8
5.97.859.15
10.7510.7512.412.412.415.515.515.515.520.520.520.524
25.225.225.2303030
0.551
1.051.651.92.52.52.53333
2.42.42.42.63.23.23.28
8.39.8
-----88--
1111-
14.514.5
--
17.517.5
----
12.4---------------------
3.74.8
5.8*1
9.511-
12.512.514-
1717-
222223-
26.526.5283439
d1 [mm] d2 [mm] D[mm]
DB[mm]
N[mm]
L[mm]
LF[mm]
S[mm]
A1[mm]
A2[mm]
1.92.5
3.153.33.3
3.753.753.754.54.54.54.5666
7.757.757.757.75
999
C[mm]
5.66.58.5
10.614.514.514.514.517
19.519.519.526262631313131384248
K[mm]
1-M1.61-M2
1-M2.5*2
1-M2.51-M2.51-M31-M31-M31-M41-M41-M41-M41-M51-M51-M51-M61-M61-M61-M61-M81-M81-M8
M Quantity -Nominal dia.
0.23 ～ 0.280.4 ～ 0.5
1.0 ～ 1.1*2
1.0 ～ 1.11.0 ～ 1.11.5 ～ 1.91.5 ～ 1.91.5 ～ 1.93.4 ～ 4.13.4 ～ 4.13.4 ～ 4.13.4 ～ 4.17.0 ～ 8.57.0 ～ 8.57.0 ～ 8.514 ～ 1514 ～ 1514 ～ 1514 ～ 1527 ～ 3027 ～ 3027 ～ 30
Tighteningtorque [N･m]
■ Dimensions
＋0.010－0.025
* The øDB value is measured assuming that the head of the clamping bolt is larger than the external diameter of the hub. * The nominal diameter for the clamping bolt M is equal to the quantity - the nominal diameter of the screw, where the quantity is for a hub on one side. * For items marked with *1, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, this value is 6. * For items marked with *2, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, then this is 1-M2. The M2 tightening torque is 04 to 0.5 N·m. * The recommended processing tolerance for paired mounting shafts is the g6, h6 or h7 class. However, for a shaft diameter of ø35, the tolerance is .
φd1
φd2
A2
CLF
LS
MK
φDB
φD
Shape type C
φd1 φ
d2
A1
CLF
LS
M
φD
Shape type B
φN
φd1
φd2
A1
CLF
LS
M
φD
Shape type A
φN
CAD
Model
SFC-002SA2SFC-005SA2SFC-010SA2SFC-020SA2SFC-025SA2
SFC-030SA2
SFC-035SA2
SFC-040SA2
SFC-050SA2
SFC-055SA2
SFC-060SA2
SFC-080SA2SFC-090SA2SFC-100SA2
Shapetype
CCCCCABCCABCABCCABCCCC
0.250.61245558
10101025252540606060
100180250
0.30.81.32.65.26.56.56.51013131332323252787878
130234325
0.010.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.02
0.50.511111111111111111111
10000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000
190500
140037005600800080008000
1800020000200002000032000320003200050000700007000070000
140000100000120000
341401406460646464
11280808048484843
76.476.476.4128108111
0.0030.0070.0110.0250.0290.0340.0410.0490.0840.0770.0880.1030.1590.1770.2060.3140.2830.3260.3850.7080.9461.202
0.06×10－6
0.26×10－6
0.58×10－6
2.39×10－6
3.67×10－6
4.07×10－6
6.09×10－6
8.20×10－6
18.55×10－6
16.71×10－6
22.98×10－6
29.68×10－6
55.71×10－6
76.26×10-－6
99.03×10－6
188.0×10－6
145.9×10－6
205.0×10－6
268.6×10－6
710.6×10－6
1236×10－6
1891×10－6
±0.04±0.05±0.1
±0.15±0.19±0.2±0.2±0.2
±0.25±0.3±0.3±0.3±0.4±0.4±0.4
±0.42±0.45±0.45±0.45±0.55±0.65±0.74
Ratedtorque[N･m]
Peaktorque[N･m]
Misalignment
Parallel[mm]
Angular[°]
Axial[mm]
Max. rotationspeed[min－1]
Torsionalstiffness[N･m/rad]
Axialstiffness[N/mm]
Momentof inertia[kg･m2]
Mass
[kg]
■ Specifications
* The rated torque of the coupling may be limited for bore diameters. Consult "Standard Bore Diameters”. * Peak torque is vailid for both rotational direction, max. stress <=107 * Max. rotation speed does not take into account dynamic balance. * Torsional stiffness values given are measured values for the element alone. * The moment of inertia and mass are measured for the max. bore diameter.
SERVOFLEX SFC SA2
Single Element Type
006 MIKI PULLEY SERVOFLEX 007To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
How to Place an Order SFC-025DA2-10B-14BSize
Type DA2: Double element, Aluminum alloy hub
Affixing method B: Clamp
Bore dia. d1 (Small dia.)
Bore dia. d2 (Large dia.)
Model3d1･d2 4 5 6 6.35 7 8 9 9.525 10 11 12 13 14 15 16
Standard bore diameters d1･d2 [mm] and Rated torque, which is limited [N･m]
17 18
■ Standard bore diameters
19 20 22 24 25 28 30 32 35 38 40 42 45
SFC-002DA2
SFC-005DA2
SFC-010DA2
SFC-020DA2
SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
SFC-080DA2
SFC-090DA2
SFC-100DA2
●●●●●●
d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2
●●●●●●●●
●●●●●●●●
2.12.12.82.8
●●●●●●●●
3.43.455
●●●●●●●●55
●●●●●●●●
6.66.6
●●●●●●●●●●99
1818
●●●●●●●●●●2020
●●●●●●●●●●2222
●●●●●●●●●●22223131
●●●●●●●●●●●34345050
●●●●●●●●●●36365151
●●●●●●●●●●3838●●
●●●●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●
226226
●●●●●●●
●●●●●
●●●●●
●●●
●●●
●●●●●●●●
●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●
* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult MIKI PULLEY regarding special arrangements for other bore diameters. * Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].
Model
SFC-002DA2SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
SFC-080DA2SFC-090DA2SFC-100DA2
Shapetype Min. Max. Min. Max.
CCCCCABCCABCABCCABCCCC
3334555
Over10688
Over1588
Over19101111
Over24182532
568
10141010141615151919192530242430354045
333455
Over10Over10
68
Over15Over15
8Over19Over19
1011
Over24Over24
182532
568
11141016161815222219303030243535404545
121619262934343439444444565656636868688294
104
-----
21.621.6
--
29.629.6
-3838--
4646----
15.723.225.932.332.837.837.837.848484848
59.859.859.868.773.373.373.398
98.6101.6
5.97.859.15
10.7510.7512.412.412.415.515.515.515.520.520.520.524
25.225.225.2303030
0.551
1.051.651.92.52.52.53333
2.42.42.42.63.23.23.28
8.39.8
-----88--
1111-
14.514.5
--
17.517.5
----
12.4---------------------
3.74.8
5.8*1
9.511-
12.512.514-
1717-
222223-
26.526.5283439
d1 [mm] d2 [mm] D[mm]
DB[mm]
N[mm]
L[mm]
LF[mm]
S[mm]
A1[mm]
A2[mm]
1.92.5
3.153.33.3
3.753.753.754.54.54.54.5666
7.757.757.757.75
999
C[mm]
5.66.58.5
10.614.514.514.514.517
19.519.519.526262631313131384248
K[mm]
1-M1.61-M2
1-M2.5*2
1-M2.51-M2.51-M31-M31-M31-M41-M41-M41-M41-M51-M51-M51-M61-M61-M61-M61-M81-M81-M8
0.23 ～ 0.280.4 ～ 0.5
1.0 ～ 1.1*2
1.0 ～ 1.11.0 ～ 1.11.5 ～ 1.91.5 ～ 1.91.5 ～ 1.93.4 ～ 4.13.4 ～ 4.13.4 ～ 4.13.4 ～ 4.17.0 ～ 8.57.0 ～ 8.57.0 ～ 8.514 ～ 1514 ～ 1514 ～ 1514 ～ 1527 ～ 3027 ～ 3027 ～ 30
2.85.55.57.57.5888
11111111141414
15.516.516.516.5222222
LP[mm]
5.26.58.5
10.6151515151720202026262631313131404750
d3[mm]
■ Dimensions
＋0.010－0.025
* The øDB value is measured assuming that the head of the clamping bolt is larger than the external diameter of the hub. * The nominal diameter for the clamping bolt M is equal to the quantity - the nominal diameter of the screw, where the quantity is for a hub on one side. * For items marked with *1, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, this value is 6. * For items marked with *2, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, then this is 1-M2. The M2 tightening torque is 04 to 0.5 N·m. * The recommended processing tolerance for paired mounting shafts is the g6, h6 or h7 class. However, for a shaft diameter of ø35, the tolerance is .
M Quantity -Nominal dia.
Tighteningtorque [N･m]
φd1
φd2
A2
CLF
LS
MK
φDB
φD
Shape type C
φd1 φ
d2
A1
CLF
LS
M
φD
Shape type B
φN
φd1
φd2φ
d3
A1
CLFLP
LS
M
φD
Shape type A
φN
φd3
LP
φd3
LPCAD
Model
SFC-002DA2SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
SFC-080DA2SFC-090DA2SFC-100DA2
Shapetype
CCCCCABCCABCABCCABCCCC
0.250.61245558
10101025252540606060
100180250
0.030.050.110.150.160.180.180.180.240.240.240.240.280.280.280.310.340.340.340.520.520.55
0.5(On one side)0.5(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)
10000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000
95250700
185028004000400040009000
10000100001000016000160001600025000350003500035000700005000060000
177070323032323256404040242424
21.538.238.238.26454
55.5
0.0040.0100.0150.0350.0400.0540.0600.0680.1220.1240.1340.1490.2500.2680.2980.4590.4470.4890.5491.0371.3691.739
0.07×10－6
0.37×10－6
0.80×10－6
3.43×10－6
5.26×10－6
7.43×10－6
9.45×10－6
11.56×10－6
27.05×10－6
29.98×10－6
36.25×10－6
42.95×10－6
98.34×10－6
118.9×10－6
141.7×10－6
261.3×10－6
256.6×10－6
315.7×10－6
379.3×10－6
1039×10－6
1798×10－6
2754×10－6
±0.08±0.1±0.2
±0.33±0.38±0.4±0.4±0.4±0.5±0.6±0.6±0.6±0.8±0.8±0.8
±0.84±0.9±0.9±0.9
±1.10±1.30±1.48
Ratedtorque[N･m]
0.30.81.32.65.26.56.56.51013131332323252787878
130234325
Peaktorque[N･m]
Misalignment
Parallel[mm]
Angular[°]
Axial[mm]
Max. rotationspeed[min－1]
Torsionalstiffness[N･m/rad]
Axialstiffness[N/mm]
Momentof inertia[kg･m2]
Mass
[kg]
■ Specifications
* The rated torque of the coupling may be limited for bore diameters. Consult "Standard Bore Diameters”. * Peak torque is vailid for both rotational direction, max. stress <=107 * Max. rotation speed does not take into account dynamic balance. * Torsional stiffness values given are measured values for the element alone. * The moment of inertia and mass are measured for the max. bore diameter.
SERVOFLEX SFC DA2
Double Element Type
006 MIKI PULLEY SERVOFLEX 007To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
How to Place an Order SFC-025DA2-10B-14BSize
Type DA2: Double element, Aluminum alloy hub
Affixing method B: Clamp
Bore dia. d1 (Small dia.)
Bore dia. d2 (Large dia.)
Model3d1･d2 4 5 6 6.35 7 8 9 9.525 10 11 12 13 14 15 16
Standard bore diameters d1･d2 [mm] and Rated torque, which is limited [N･m]
17 18
■ Standard bore diameters
19 20 22 24 25 28 30 32 35 38 40 42 45
SFC-002DA2
SFC-005DA2
SFC-010DA2
SFC-020DA2
SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
SFC-080DA2
SFC-090DA2
SFC-100DA2
●●●●●●
d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2
●●●●●●●●
●●●●●●●●
2.12.12.82.8
●●●●●●●●
3.43.455
●●●●●●●●55
●●●●●●●●
6.66.6
●●●●●●●●●●99
1818
●●●●●●●●●●2020
●●●●●●●●●●2222
●●●●●●●●●●22223131
●●●●●●●●●●●34345050
●●●●●●●●●●36365151
●●●●●●●●●●3838●●
●●●●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●
226226
●●●●●●●
●●●●●
●●●●●
●●●
●●●
●●●●●●●●
●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●
* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult MIKI PULLEY regarding special arrangements for other bore diameters. * Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].
Model
SFC-002DA2SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
SFC-080DA2SFC-090DA2SFC-100DA2
Shapetype Min. Max. Min. Max.
CCCCCABCCABCABCCABCCCC
3334555
Over10688
Over1588
Over19101111
Over24182532
568
10141010141615151919192530242430354045
333455
Over10Over10
68
Over15Over15
8Over19Over19
1011
Over24Over24
182532
568
11141016161815222219303030243535404545
121619262934343439444444565656636868688294
104
-----
21.621.6
--
29.629.6
-3838--
4646----
15.723.225.932.332.837.837.837.848484848
59.859.859.868.773.373.373.398
98.6101.6
5.97.859.15
10.7510.7512.412.412.415.515.515.515.520.520.520.524
25.225.225.2303030
0.551
1.051.651.92.52.52.53333
2.42.42.42.63.23.23.28
8.39.8
-----88--
1111-
14.514.5
--
17.517.5
----
12.4---------------------
3.74.8
5.8*1
9.511-
12.512.514-
1717-
222223-
26.526.5283439
d1 [mm] d2 [mm] D[mm]
DB[mm]
N[mm]
L[mm]
LF[mm]
S[mm]
A1[mm]
A2[mm]
1.92.5
3.153.33.3
3.753.753.754.54.54.54.5666
7.757.757.757.75
999
C[mm]
5.66.58.5
10.614.514.514.514.517
19.519.519.526262631313131384248
K[mm]
1-M1.61-M2
1-M2.5*2
1-M2.51-M2.51-M31-M31-M31-M41-M41-M41-M41-M51-M51-M51-M61-M61-M61-M61-M81-M81-M8
0.23 ～ 0.280.4 ～ 0.5
1.0 ～ 1.1*2
1.0 ～ 1.11.0 ～ 1.11.5 ～ 1.91.5 ～ 1.91.5 ～ 1.93.4 ～ 4.13.4 ～ 4.13.4 ～ 4.13.4 ～ 4.17.0 ～ 8.57.0 ～ 8.57.0 ～ 8.514 ～ 1514 ～ 1514 ～ 1514 ～ 1527 ～ 3027 ～ 3027 ～ 30
2.85.55.57.57.5888
11111111141414
15.516.516.516.5222222
LP[mm]
5.26.58.5
10.6151515151720202026262631313131404750
d3[mm]
■ Dimensions
＋0.010－0.025
* The øDB value is measured assuming that the head of the clamping bolt is larger than the external diameter of the hub. * The nominal diameter for the clamping bolt M is equal to the quantity - the nominal diameter of the screw, where the quantity is for a hub on one side. * For items marked with *1, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, this value is 6. * For items marked with *2, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, then this is 1-M2. The M2 tightening torque is 04 to 0.5 N·m. * The recommended processing tolerance for paired mounting shafts is the g6, h6 or h7 class. However, for a shaft diameter of ø35, the tolerance is .
M Quantity -Nominal dia.
Tighteningtorque [N･m]
φd1
φd2
A2
CLF
LS
MK
φDB
φD
Shape type C
φd1 φ
d2
A1
CLF
LS
M
φD
Shape type B
φN
φd1
φd2φ
d3
A1
CLFLP
LS
M
φD
Shape type A
φN
φd3
LP
φd3
LPCAD
Model
SFC-002DA2SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
SFC-080DA2SFC-090DA2SFC-100DA2
Shapetype
CCCCCABCCABCABCCABCCCC
0.250.61245558
10101025252540606060
100180250
0.030.050.110.150.160.180.180.180.240.240.240.240.280.280.280.310.340.340.340.520.520.55
0.5(On one side)0.5(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)
10000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000
95250700
185028004000400040009000
10000100001000016000160001600025000350003500035000700005000060000
177070323032323256404040242424
21.538.238.238.26454
55.5
0.0040.0100.0150.0350.0400.0540.0600.0680.1220.1240.1340.1490.2500.2680.2980.4590.4470.4890.5491.0371.3691.739
0.07×10－6
0.37×10－6
0.80×10－6
3.43×10－6
5.26×10－6
7.43×10－6
9.45×10－6
11.56×10－6
27.05×10－6
29.98×10－6
36.25×10－6
42.95×10－6
98.34×10－6
118.9×10－6
141.7×10－6
261.3×10－6
256.6×10－6
315.7×10－6
379.3×10－6
1039×10－6
1798×10－6
2754×10－6
±0.08±0.1±0.2
±0.33±0.38±0.4±0.4±0.4±0.5±0.6±0.6±0.6±0.8±0.8±0.8
±0.84±0.9±0.9±0.9
±1.10±1.30±1.48
Ratedtorque[N･m]
0.30.81.32.65.26.56.56.51013131332323252787878
130234325
Peaktorque[N･m]
Misalignment
Parallel[mm]
Angular[°]
Axial[mm]
Max. rotationspeed[min－1]
Torsionalstiffness[N･m/rad]
Axialstiffness[N/mm]
Momentof inertia[kg･m2]
Mass
[kg]
■ Specifications
* The rated torque of the coupling may be limited for bore diameters. Consult "Standard Bore Diameters”. * Peak torque is vailid for both rotational direction, max. stress <=107 * Max. rotation speed does not take into account dynamic balance. * Torsional stiffness values given are measured values for the element alone. * The moment of inertia and mass are measured for the max. bore diameter.
SERVOFLEX SFC DA2
Double Element Type
008 MIKI PULLEY SERVOFLEX 009To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
How to Place an Order SFC-040DA2-14B-15B-L60Size
Type DA2: Double element, Aluminum alloy hub
Length-specified Use mm units for L dimensions.
Bore dia. d1 (Small dia.) Bore dia. d2 (Large dia.)
Affixing method B: Clamp
Model
SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
Shapetype Min. Max. Min. Max. Std. Min. Max.
CCCCABCCABCABCCABC
334555
Over10688
Over1588
Over19101111
Over24
68
10141010141615151919192530242430
33455
Over10Over10
68
Over15Over15
8Over19Over19
1011
Over24Over24
68
11141016161815222219303030243535
161926293434343944444456565663686868
----
21.621.6
--
29.629.6
-3838--
4646-
212429293434344343434353535360656565
404550505555556565656580808085909090
23.225.932.332.837.837.837.848484848
59.859.859.868.773.373.373.3
7.859.15
10.7510.7512.412.412.415.515.515.515.520.520.520.524
25.225.225.2
11.051.651.92.52.52.53333
2.42.42.42.63.23.23.2
----88--
1111-
14.514.5
--
17.517.5
-
4.85.8*1
9.511-
12.512.514-
1717-
222223-
26.526.5
d1 [mm] d2 [mm] D[mm]
N[mm]
L [mm] LF[mm]
S[mm]
A1[mm]
A2[mm]
2.53.153.33.3
3.753.753.754.54.54.54.5666
7.757.757.757.75
C[mm]
6.58.5
10.614.514.514.514.517
19.519.519.526262631313131
K[mm]
1-M21-M2.5*2
1-M2.51-M2.51-M31-M31-M31-M41-M41-M41-M41-M51-M51-M51-M61-M61-M61-M6
M Quantity -Nominal dia.
0.4 ～ 0.51.0 ～ 1.1*2
1.0 ～ 1.11.0 ～ 1.11.5 ～ 1.91.5 ～ 1.91.5 ～ 1.93.4 ～ 4.13.4 ～ 4.13.4 ～ 4.13.4 ～ 4.17.0 ～ 8.57.0 ～ 8.57.0 ～ 8.514 ～ 1514 ～ 1514 ～ 1514 ～ 15
Tighteningtorque [N･m]
6.58.5
10.6151515151720202026262631313131
d3[mm]
■ Dimensions
＋0.010－0.025
* The nominal diameter for the clamping bolt M is equal to the quantity - the nominal diameter of the screw, where the quantity is for a hub on one side. * For items marked with *1, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, this value is 6. * For items marked with *2, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, then this is 1-M2. The M2 tightening torque is 04 to 0.5 N·m. * The recommended processing tolerance for paired mounting shafts is the g6, h6 or h7 class. However, for a shaft diameter of ø35, the tolerance is . * Standard compatible lengths L range from the minimum L dimension shown in the above table to the maximum. Specify the length in 1 mm units. * When the L dimension is shorter than the standard, the left/right clamping bolt phases will be off by 45°. * See page of SFC DA2 for standard bore diameters.
φd1
φd2
A2
CLF
LS
MK
φD
Shape type C L ≧ Standard L ＜ Standard
φd1 φ
d2
A1
CLF
LS
M
φD
Shape type B
φN
φd1
φd2φ
d3
A1
CLFLP
LS
M
φD
Shape type A
φN
K
φd3
LP
φd3
LP
Model
SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
Shapetype
CCCCABCCABCABCCABC
0.61245558
10101025252540606060
0.030.080.100.090.110.110.110.150.150.150.150.160.160.160.160.190.190.19
0.5(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)
100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000
0.0090.0140.0310.0360.0460.0530.0610.1090.1070.1180.1320.2050.2250.2520.3780.3820.4240.484
Mass[kg]
0.0170.0260.0540.0610.0850.0910.0990.1620.1740.1850.2000.3470.3650.3940.5380.5670.6090.669
0.33×10－6
0.72×10－6
3.02×10－6
4.55×10－6
6.09×10－6
8.11×10－6
10.22×10－6
24.02×10－6
25.06×10－6
31.33×10－6
38.02×10－6
77.42×10－6
97.97×10－6
120.8×10－6
226.8×10－6
210.8×10－6
269.9×10－6
333.5×10－6
Moment of inertia[kg･m2]
0.62×10－6
1.38×10－6
5.30×10－6
7.95×10－6
12.80×10－6
14.82×10－6
16.93×10－6
36.09×10－6
44.76×10－6
51.03×10－6
57.72×10－6
144.3×10－6
164.8×10－6
187.6×10－6
325.0×10－6
340.1×10－6
399.2×10－6
462.8×10－6
±0.1±0.2
±0.33±0.38±0.4±0.4±0.4±0.5±0.6±0.6±0.6±0.8±0.8±0.8
±0.84±0.9±0.9±0.9
Ratedtorque[N･m]
0.81.32.65.26.56.56.51013131332323252787878
Peaktorque[N･m]
Misalignment
Parallel [mm]Min. L
0.200.440.460.460.480.480.480.540.540.540.540.630.630.630.600.630.630.63
Max. L Min. L Max. L Min. L Max. LAngular
[°]Axial[mm]
Max. rotationspeed[min－1]
■ Specifications
* The rated torque of the coupling may be limited for bore diameters. Consult "Standard Bore Diameters” of SFC DA2. * Peak torque is vailid for both rotational direction, max. stress <=106 * Max. rotation speed does not take into account dynamic balance. * See page of SFC DA2 for each stiffness values. * The moment of inertia and mass are measured for the max. bore diameter.
SERVOFLEX SFC
Option For length-specified special order partsSFC DA2 couplings can be made in specific lengths that match the distance between shafts by changing the length of the spacer. Specify the length in 1 mm units.
How to Place an Order SFC-050DA2-12B-14BCSize
Type DA2: Double element, Aluminum alloy hub
Affixing method B: Clamp
[d2]BC BC: Clamp hub and taper adapter
Bore dia. d1
Model
SFC-050DA2-□B-11BCSFC-050DA2-□B-14BCSFC-050DA2-□B-16BCSFC-055DA2-□B-14BCSFC-055DA2-□B-16BCSFC-060DA2-□B-16BC
111416141616
d2 [mm]
445455
182424242424
172226222626
222830283030
64.869.879.874.484.789.3
565656636368
59.859.859.868.768.773.3
161929192929
20.520.520.52424
25.2
W [mm]
12.215.117.315.117.317.3
T [mm]
WA[mm]
LA[mm]
dA[mm]
DA[mm]
LL[mm]
D[mm]
L[mm]
LF[mm]
666
7.757.757.75
C[mm]
14.514.514.5
--
17.5
A1[mm]
2222222323
26.5
A2[mm]
1-M51-M51-M51-M61-M61-M6
M Quantity -Nominal dia.
Model
SFC-050DA2-□B-11BC
SFC-050DA2-□B-14BC
SFC-050DA2-□B-16BC
SFC-060DA2-□B-16BC
SFC-055DA2-□B-14BCSFC-055DA2-□B-16BC
Shapetype
BCBCBCCCBC
Ratedtorque[N･m]
25252525252540406060
Peaktorque[N･m]
32323232323252527878
0.3310.3490.3620.3920.4000.4300.5300.5670.6380.681
125.5×10－6
146.1×10－6
131.1×10－6
154.1×10－6
138.1×10－6
160.8×10－6
274.0×10－6
280.5×10－6
339.4×10－6
398.5×10－6
Momentof inertia[kg･m2]
Mass
[kg]
■ Double element type specifications and dimensions
* See page of single element type SFC SA2 for other specifications and dimensions.
CAD
φD
A
T
φdA
A2
LA
C d2
LFW
WA
LLL
M
φD
Shape type C
A1
Shape type B
+0
.3
0
+0.030 0
How to Place an Order SFC-050SA2-12B-14BCSize
Type SA2: Single element, Aluminum alloy hubBore dia. d1
Affixing method B: Clamp
[d2]BC BC: Clamp hub and taper adapter
Model
SFC-050SA2-□B-11BCSFC-050SA2-□B-14BCSFC-050SA2-□B-16BCSFC-055SA2-□B-14BCSFC-055SA2-□B-16BCSFC-060SA2-□B-16BC
111416141616
d2 [mm]
445455
182424242424
172226222626
222830283030
48.453.463.456.666.669.6
565656636368
43.443.443.450.650.653.6
161929192929
20.520.520.52424
25.2
W [mm]
12.215.117.315.117.317.3
T [mm]
WA[mm]
LA[mm]
dA[mm]
DA[mm]
LL[mm]
D[mm]
L[mm]
LF[mm]
666
7.757.757.75
C[mm]
14.514.514.5
--
17.5
A1[mm]
2222222323
26.5
A2[mm]
1-M51-M51-M51-M61-M61-M6
M Quantity -Nominal dia.
Model
SFC-050SA2-□B-11BC
SFC-050SA2-□B-14BC
SFC-050SA2-□B-16BC
SFC-060SA2-□B-16BC
SFC-055SA2-□B-14BCSFC-055SA2-□B-16BC
Shapetype
BCBCBCCCBC
Ratedtorque[N･m]
Peaktorque[N･m]
25252525252540406060
32323232323252527878
0.2400.2580.2710.3010.3090.3380.4090.4460.4750.517
82.91×10－6
103.5×10－6
88.72×10－6
111.5×10－6
95.44×10－6
118.2×10－6
201.1×10－6
207.8×10－6
228.7×10－6
287.8×10－6
Momentof inertia[kg･m2]
Mass
[kg]
■ Single element type specifications and dimensions
* See page of single element type SFC SA2 for other specifications and dimensions.
CAD
φD
A
T
φdA
A2
LA
C d2
LFW
WA
LLL
M
φD
Shape type C
A1
Shape type B
+0
.3
0
+0.030 0
Allows coupling via a clamp hub when a taper adapter is mounted on the tapered shaft of a servo motor.
SERVOFLEX SFC
Option Tapered shaft supported
008 MIKI PULLEY SERVOFLEX 009To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
How to Place an Order SFC-040DA2-14B-15B-L60Size
Type DA2: Double element, Aluminum alloy hub
Length-specified Use mm units for L dimensions.
Bore dia. d1 (Small dia.) Bore dia. d2 (Large dia.)
Affixing method B: Clamp
Model
SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
Shapetype Min. Max. Min. Max. Std. Min. Max.
CCCCABCCABCABCCABC
334555
Over10688
Over1588
Over19101111
Over24
68
10141010141615151919192530242430
33455
Over10Over10
68
Over15Over15
8Over19Over19
1011
Over24Over24
68
11141016161815222219303030243535
161926293434343944444456565663686868
----
21.621.6
--
29.629.6
-3838--
4646-
212429293434344343434353535360656565
404550505555556565656580808085909090
23.225.932.332.837.837.837.848484848
59.859.859.868.773.373.373.3
7.859.15
10.7510.7512.412.412.415.515.515.515.520.520.520.524
25.225.225.2
11.051.651.92.52.52.53333
2.42.42.42.63.23.23.2
----88--
1111-
14.514.5
--
17.517.5
-
4.85.8*1
9.511-
12.512.514-
1717-
222223-
26.526.5
d1 [mm] d2 [mm] D[mm]
N[mm]
L [mm] LF[mm]
S[mm]
A1[mm]
A2[mm]
2.53.153.33.3
3.753.753.754.54.54.54.5666
7.757.757.757.75
C[mm]
6.58.5
10.614.514.514.514.517
19.519.519.526262631313131
K[mm]
1-M21-M2.5*2
1-M2.51-M2.51-M31-M31-M31-M41-M41-M41-M41-M51-M51-M51-M61-M61-M61-M6
M Quantity -Nominal dia.
0.4 ～ 0.51.0 ～ 1.1*2
1.0 ～ 1.11.0 ～ 1.11.5 ～ 1.91.5 ～ 1.91.5 ～ 1.93.4 ～ 4.13.4 ～ 4.13.4 ～ 4.13.4 ～ 4.17.0 ～ 8.57.0 ～ 8.57.0 ～ 8.514 ～ 1514 ～ 1514 ～ 1514 ～ 15
Tighteningtorque [N･m]
6.58.5
10.6151515151720202026262631313131
d3[mm]
■ Dimensions
＋0.010－0.025
* The nominal diameter for the clamping bolt M is equal to the quantity - the nominal diameter of the screw, where the quantity is for a hub on one side. * For items marked with *1, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, this value is 6. * For items marked with *2, d1 or d2 may be from ø3 to ø7 in some cases. If d1 or d2 is ø8, then this is 1-M2. The M2 tightening torque is 04 to 0.5 N·m. * The recommended processing tolerance for paired mounting shafts is the g6, h6 or h7 class. However, for a shaft diameter of ø35, the tolerance is . * Standard compatible lengths L range from the minimum L dimension shown in the above table to the maximum. Specify the length in 1 mm units. * When the L dimension is shorter than the standard, the left/right clamping bolt phases will be off by 45°. * See page of SFC DA2 for standard bore diameters.
φd1
φd2
A2
CLF
LS
MK
φD
Shape type C L ≧ Standard L ＜ Standard
φd1 φ
d2
A1
CLF
LS
M
φD
Shape type B
φN
φd1
φd2φ
d3
A1
CLFLP
LS
M
φD
Shape type A
φN
K
φd3
LP
φd3
LP
Model
SFC-005DA2SFC-010DA2SFC-020DA2SFC-025DA2
SFC-030DA2
SFC-035DA2
SFC-040DA2
SFC-050DA2
SFC-055DA2
SFC-060DA2
Shapetype
CCCCABCCABCABCCABC
0.61245558
10101025252540606060
0.030.080.100.090.110.110.110.150.150.150.150.160.160.160.160.190.190.19
0.5(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)1(On one side)
100001000010000100001000010000100001000010000100001000010000100001000010000100001000010000
0.0090.0140.0310.0360.0460.0530.0610.1090.1070.1180.1320.2050.2250.2520.3780.3820.4240.484
Mass[kg]
0.0170.0260.0540.0610.0850.0910.0990.1620.1740.1850.2000.3470.3650.3940.5380.5670.6090.669
0.33×10－6
0.72×10－6
3.02×10－6
4.55×10－6
6.09×10－6
8.11×10－6
10.22×10－6
24.02×10－6
25.06×10－6
31.33×10－6
38.02×10－6
77.42×10－6
97.97×10－6
120.8×10－6
226.8×10－6
210.8×10－6
269.9×10－6
333.5×10－6
Moment of inertia[kg･m2]
0.62×10－6
1.38×10－6
5.30×10－6
7.95×10－6
12.80×10－6
14.82×10－6
16.93×10－6
36.09×10－6
44.76×10－6
51.03×10－6
57.72×10－6
144.3×10－6
164.8×10－6
187.6×10－6
325.0×10－6
340.1×10－6
399.2×10－6
462.8×10－6
±0.1±0.2
±0.33±0.38±0.4±0.4±0.4±0.5±0.6±0.6±0.6±0.8±0.8±0.8
±0.84±0.9±0.9±0.9
Ratedtorque[N･m]
0.81.32.65.26.56.56.51013131332323252787878
Peaktorque[N･m]
Misalignment
Parallel [mm]Min. L
0.200.440.460.460.480.480.480.540.540.540.540.630.630.630.600.630.630.63
Max. L Min. L Max. L Min. L Max. LAngular
[°]Axial[mm]
Max. rotationspeed[min－1]
■ Specifications
* The rated torque of the coupling may be limited for bore diameters. Consult "Standard Bore Diameters” of SFC DA2. * Peak torque is vailid for both rotational direction, max. stress <=106 * Max. rotation speed does not take into account dynamic balance. * See page of SFC DA2 for each stiffness values. * The moment of inertia and mass are measured for the max. bore diameter.
SERVOFLEX SFC
Option For length-specified special order partsSFC DA2 couplings can be made in specific lengths that match the distance between shafts by changing the length of the spacer. Specify the length in 1 mm units.
How to Place an Order SFC-050DA2-12B-14BCSize
Type DA2: Double element, Aluminum alloy hub
Affixing method B: Clamp
[d2]BC BC: Clamp hub and taper adapter
Bore dia. d1
Model
SFC-050DA2-□B-11BCSFC-050DA2-□B-14BCSFC-050DA2-□B-16BCSFC-055DA2-□B-14BCSFC-055DA2-□B-16BCSFC-060DA2-□B-16BC
111416141616
d2 [mm]
445455
182424242424
172226222626
222830283030
64.869.879.874.484.789.3
565656636368
59.859.859.868.768.773.3
161929192929
20.520.520.52424
25.2
W [mm]
12.215.117.315.117.317.3
T [mm]
WA[mm]
LA[mm]
dA[mm]
DA[mm]
LL[mm]
D[mm]
L[mm]
LF[mm]
666
7.757.757.75
C[mm]
14.514.514.5
--
17.5
A1[mm]
2222222323
26.5
A2[mm]
1-M51-M51-M51-M61-M61-M6
M Quantity -Nominal dia.
Model
SFC-050DA2-□B-11BC
SFC-050DA2-□B-14BC
SFC-050DA2-□B-16BC
SFC-060DA2-□B-16BC
SFC-055DA2-□B-14BCSFC-055DA2-□B-16BC
Shapetype
BCBCBCCCBC
Ratedtorque[N･m]
25252525252540406060
Peaktorque[N･m]
32323232323252527878
0.3310.3490.3620.3920.4000.4300.5300.5670.6380.681
125.5×10－6
146.1×10－6
131.1×10－6
154.1×10－6
138.1×10－6
160.8×10－6
274.0×10－6
280.5×10－6
339.4×10－6
398.5×10－6
Momentof inertia[kg･m2]
Mass
[kg]
■ Double element type specifications and dimensions
* See page of single element type SFC SA2 for other specifications and dimensions.
CAD
φD
A
T
φdA
A2
LA
C d2
LFW
WA
LLL
M
φD
Shape type C
A1
Shape type B
+0
.3
0
+0.030 0
How to Place an Order SFC-050SA2-12B-14BCSize
Type SA2: Single element, Aluminum alloy hubBore dia. d1
Affixing method B: Clamp
[d2]BC BC: Clamp hub and taper adapter
Model
SFC-050SA2-□B-11BCSFC-050SA2-□B-14BCSFC-050SA2-□B-16BCSFC-055SA2-□B-14BCSFC-055SA2-□B-16BCSFC-060SA2-□B-16BC
111416141616
d2 [mm]
445455
182424242424
172226222626
222830283030
48.453.463.456.666.669.6
565656636368
43.443.443.450.650.653.6
161929192929
20.520.520.52424
25.2
W [mm]
12.215.117.315.117.317.3
T [mm]
WA[mm]
LA[mm]
dA[mm]
DA[mm]
LL[mm]
D[mm]
L[mm]
LF[mm]
666
7.757.757.75
C[mm]
14.514.514.5
--
17.5
A1[mm]
2222222323
26.5
A2[mm]
1-M51-M51-M51-M61-M61-M6
M Quantity -Nominal dia.
Model
SFC-050SA2-□B-11BC
SFC-050SA2-□B-14BC
SFC-050SA2-□B-16BC
SFC-060SA2-□B-16BC
SFC-055SA2-□B-14BCSFC-055SA2-□B-16BC
Shapetype
BCBCBCCCBC
Ratedtorque[N･m]
Peaktorque[N･m]
25252525252540406060
32323232323252527878
0.2400.2580.2710.3010.3090.3380.4090.4460.4750.517
82.91×10－6
103.5×10－6
88.72×10－6
111.5×10－6
95.44×10－6
118.2×10－6
201.1×10－6
207.8×10－6
228.7×10－6
287.8×10－6
Momentof inertia[kg･m2]
Mass
[kg]
■ Single element type specifications and dimensions
* See page of single element type SFC SA2 for other specifications and dimensions.
CAD
φD
A
T
φdA
A2
LA
C d2
LFW
WA
LLL
M
φD
Shape type C
A1
Shape type B
+0
.3
0
+0.030 0
Allows coupling via a clamp hub when a taper adapter is mounted on the tapered shaft of a servo motor.
SERVOFLEX SFC
Option Tapered shaft supported
010 MIKI PULLEY SERVOFLEX 011To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
■ Without alumite treatment ■ With a slit plate
■ With edge-part tap bores ■ With a long spacer
■ For the semiconductor wafer-lifting shaft ■ For the gantry mechanism
Wafer
Ball screw
Servo motor
Without coating the surface, generation of gas under a vacuum environment is prevented.
By drilling tap bores on the hub edge, a position detection sensor such as slit plate, etc., can be installed.
This is a specification for long intervals between installation shafts.
This specification supports position detection sensors such as encoders, etc. by installing a slit plate between hubs.
SERVOFLEX SFC
Customization ExamplesWe support customization flexibly.
How to Place an Order SFC-060SA2-12BH-14BJSize
Type SA2: Single element, Aluminum alloy hub DA2: Double element, Aluminum alloy hub
Bore dia. d1(Small dia.)
Affixing method BH: Clump ＋ Class H9 with keyway
Affixing method BJ: Clump ＋ Class Js9 with keyway
Bore dia. d2(Large dia.)
* Specify the nominal hole dimension in the sequence d1 (small diameter) and -d2 (large diameter).* The following combinations can be used as methods of clamping the shaft. B BH BJ BC
: Clamp: Clamp + H9 class keyway: Clamp + Js9 class keyway: Clamp + Taper adapter
* Specify the shaft clamping methods used in the case where d1 = d2 (identical diameters), in the sequence B, BH and BJ.* Specify BC for d2.
Modeld1･ｄ2 8 9 10 11 12 13 14 15 16
Standard bore diameters d1･d2 [mm] and Rated torque, which is limited [N･m]
17 18
■ Standard bore diameters
19 20 22 24 25 28 30 32 35 38 40 42 45
SFC-025SA2/DA2
SFC-030SA2/DA2
SFC-035SA2/DA2
SFC-040SA2/DA2
SFC-050SA2/DA2
SFC-055SA2/DA2
SFC-060SA2/DA2
SFC-080SA2/DA2
SFC-090SA2/DA2
SFC-100SA2/DA2
d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2
●●●●●●99
1818
●●●●●●●●2020
●●●●●●●●22223131
●●●●●●●●●●34345050
●●●●●●●●●●36365151
●●●●●●●●●●3838●●
●●●●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●
226226
●●●●●●●
●●●●●
●●●●●
●●●
●●●
●●●●●●●●
●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●
* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult MIKI PULLEY regarding special arrangements for other bore diameters. * Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].
* We can also handle standards not listed above. Consult MIKI PULLEY.
Nominalbore dia.
8BH9BH
10BH11BH12BH13BH14BH15BH16BH17BH18BH19BH
89
10111213141516171819
Bore dia.
d1･d2[mm]
333445555566
±0.0125
±0.0125
±0.0125
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
668888
101010121214
±0.0150
±0.0150
±0.0180
±0.0180
±0.0180
±0.0180
±0.0180
±0.0180
±0.0180
±0.0215
±0.0215
±0.0215
333445555566
＋0.025 0
＋0.025 0
＋0.025 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
Keywaywidth
W1･W2[mm]
H9 keyway width standards
KeywayheightT1･T2[mm]
Nominalbore dia.
Bore dia.
d1･d2[mm]
Keywaywidth
W1･W2[mm]
KeywayheightT1･T2[mm]
Nominalbore dia.
Bore dia.
d1･d2[mm]
Keywaywidth
W1･W2[mm]
KeywayheightT1･T2[mm]
Nominalbore dia.
Bore dia.
d1･d2[mm]
Keywaywidth
W1･W2[mm]
KeywayheightT1･T2[mm]
Js9 keyway width standards
■ Keyway size and tolerances
9.410.411.412.813.815.316.317.318.319.320.821.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
20BH22BH24BH25BH28BH30BH32BH35BH38BH40BH42BH45BH
202224252830323538404245
668888
101010121214
＋0.030 0
＋0.030 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.043 0
＋0.043 0
＋0.043 0
22.824.827.328.331.333.335.338.341.343.345.348.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
8BJ9BJ
10BJ11BJ12BJ13BJ14BJ15BJ16BJ17BJ18BJ19BJ
89
10111213141516171819
9.410.411.412.813.815.316.317.318.319.320.821.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
20BJ22BJ24BJ25BJ28BJ30BJ32BJ35BJ38BJ40BJ42BJ45BJ
202224252830323538404245
22.824.827.328.331.333.335.338.341.343.345.348.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
φd1
T1 SFC SA2
W1
φd2
W2
T2
SFC DA2
φd1
T1W
1 φd2
W2
T2
SERVOFLEX SFC
Option For keyway milling applicationsIf you are using a keyed shaft, we can mill a keyway in the clamping hub to your specifications.
010 MIKI PULLEY SERVOFLEX 011To download CAD data or product catalogs www.mikipulley.co.jp WEB CODE A001
■ Without alumite treatment ■ With a slit plate
■ With edge-part tap bores ■ With a long spacer
■ For the semiconductor wafer-lifting shaft ■ For the gantry mechanism
Wafer
Ball screw
Servo motor
Without coating the surface, generation of gas under a vacuum environment is prevented.
By drilling tap bores on the hub edge, a position detection sensor such as slit plate, etc., can be installed.
This is a specification for long intervals between installation shafts.
This specification supports position detection sensors such as encoders, etc. by installing a slit plate between hubs.
SERVOFLEX SFC
Customization ExamplesWe support customization flexibly.
How to Place an Order SFC-060SA2-12BH-14BJSize
Type SA2: Single element, Aluminum alloy hub DA2: Double element, Aluminum alloy hub
Bore dia. d1(Small dia.)
Affixing method BH: Clump ＋ Class H9 with keyway
Affixing method BJ: Clump ＋ Class Js9 with keyway
Bore dia. d2(Large dia.)
* Specify the nominal hole dimension in the sequence d1 (small diameter) and -d2 (large diameter).* The following combinations can be used as methods of clamping the shaft. B BH BJ BC
: Clamp: Clamp + H9 class keyway: Clamp + Js9 class keyway: Clamp + Taper adapter
* Specify the shaft clamping methods used in the case where d1 = d2 (identical diameters), in the sequence B, BH and BJ.* Specify BC for d2.
Modeld1･ｄ2 8 9 10 11 12 13 14 15 16
Standard bore diameters d1･d2 [mm] and Rated torque, which is limited [N･m]
17 18
■ Standard bore diameters
19 20 22 24 25 28 30 32 35 38 40 42 45
SFC-025SA2/DA2
SFC-030SA2/DA2
SFC-035SA2/DA2
SFC-040SA2/DA2
SFC-050SA2/DA2
SFC-055SA2/DA2
SFC-060SA2/DA2
SFC-080SA2/DA2
SFC-090SA2/DA2
SFC-100SA2/DA2
d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2d1d2
●●●●●●99
1818
●●●●●●●●2020
●●●●●●●●22223131
●●●●●●●●●●34345050
●●●●●●●●●●36365151
●●●●●●●●●●3838●●
●●●●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●●●●●
●●●●●
226226
●●●●●●●
●●●●●
●●●●●
●●●
●●●
●●●●●●●●
●●●●●●●●●●
●●●●●●●●●●●
●●●●●●●●●●
* Bore diameters marked with ● or numbers are supported as the standard bore diameters. Consult MIKI PULLEY regarding special arrangements for other bore diameters. * Bore diameters whose fields contain numbers are restricted in their rated torque by the holding power of the shaft connection component because the bore diameter is small. The numbers indicate the rated torque [N•m].
* We can also handle standards not listed above. Consult MIKI PULLEY.
Nominalbore dia.
8BH9BH
10BH11BH12BH13BH14BH15BH16BH17BH18BH19BH
89
10111213141516171819
Bore dia.
d1･d2[mm]
333445555566
±0.0125
±0.0125
±0.0125
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
±0.0150
668888
101010121214
±0.0150
±0.0150
±0.0180
±0.0180
±0.0180
±0.0180
±0.0180
±0.0180
±0.0180
±0.0215
±0.0215
±0.0215
333445555566
＋0.025 0
＋0.025 0
＋0.025 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
＋0.030 0
Keywaywidth
W1･W2[mm]
H9 keyway width standards
KeywayheightT1･T2[mm]
Nominalbore dia.
Bore dia.
d1･d2[mm]
Keywaywidth
W1･W2[mm]
KeywayheightT1･T2[mm]
Nominalbore dia.
Bore dia.
d1･d2[mm]
Keywaywidth
W1･W2[mm]
KeywayheightT1･T2[mm]
Nominalbore dia.
Bore dia.
d1･d2[mm]
Keywaywidth
W1･W2[mm]
KeywayheightT1･T2[mm]
Js9 keyway width standards
■ Keyway size and tolerances
9.410.411.412.813.815.316.317.318.319.320.821.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
20BH22BH24BH25BH28BH30BH32BH35BH38BH40BH42BH45BH
202224252830323538404245
668888
101010121214
＋0.030 0
＋0.030 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.036 0
＋0.043 0
＋0.043 0
＋0.043 0
22.824.827.328.331.333.335.338.341.343.345.348.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
8BJ9BJ
10BJ11BJ12BJ13BJ14BJ15BJ16BJ17BJ18BJ19BJ
89
10111213141516171819
9.410.411.412.813.815.316.317.318.319.320.821.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
20BJ22BJ24BJ25BJ28BJ30BJ32BJ35BJ38BJ40BJ42BJ45BJ
202224252830323538404245
22.824.827.328.331.333.335.338.341.343.345.348.8
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
＋0.3 0
φd1
T1 SFC SA2
W1
φd2
W2
T2
SFC DA2
φd1
T1W
1 φd2
W2
T2
SERVOFLEX SFC
Option For keyway milling applicationsIf you are using a keyed shaft, we can mill a keyway in the clamping hub to your specifications.
012 MIKI PULLEY SERVOFLEX MIKI PULLEY SERVOFLEX 013
Model
SFC-002SA2/DA2SFC-005SA2/DA2SFC-010SA2/DA2SFC-010SA2/DA2SFC-020SA2/DA2SFC-025SA2/DA2SFC-030SA2/DA2SFC-035SA2/DA2SFC-040SA2/DA2SFC-050SA2/DA2SFC-055SA2/DA2SFC-060SA2/DA2SFC-080SA2/DA2SFC-090SA2/DA2SFC-100SA2/DA2
M1.6M2M2
M2.5M2.5M2.5M3M4M4M5M6M6M8M8M8
0.23 ～ 0.280.4 ～ 0.50.4 ～ 0.51.0 ～ 1.11.0 ～ 1.11.0 ～ 1.11.5 ～ 1.93.4 ～ 4.13.4 ～ 4.17.0 ～ 8.514 ～ 1514 ～ 1527 ～ 3027 ～ 3027 ～ 30
Nominal clamp bolt dia. Tightening torque [N･m]
Model
SFC-002SA2/DA2SFC-005SA2/DA2SFC-010SA2/DA2SFC-020SA2/DA2SFC-025SA2/DA2SFC-030SA2/DA2SFC-035SA2/DA2SFC-040SA2/DA2SFC-050SA2/DA2SFC-055SA2/DA2SFC-060SA2/DA2SFC-080SA2/DA2SFC-090SA2/DA2SFC-100SA2/DA2
5.97.859.15
10.7510.7512.415.515.520.524
25.2303030
0.551
1.051.651.92.533
2.42.63.28
8.39.8
LF [mm] S [mm]
LFLF
SS
(5) Insert each shaft far enough in that the paired shaft touches the shaft along the entire length of the clamp hub of the coupling (LF dimension) as shown in the diagram below.In addition, restrict the dimensions between clamp hub faces (S dimensions in the diagram) within the allowable misalignment of the axial direction displacement with respect to a reference value. Note that the tolerance values were calculated based on the assumption that both the level of parallel misalignment and angular deflection are zero. Adjust to keep this value as low as possible.
(6) Check to make sure that no compression or tensile force is being applied along the axial direction before tightening up the two clamp bolts. Use a calibrated torque wrench to tighten the clamp bolts to within the tightening torque range listed below.
* Use M2 bolts on SFC-010SA2/DA2 models with holes with a diameter of ø8 mm.* The start and end numbers for the tightening torque ranges are between the minimum and maximum values. Tighten bolts to a tightening torque within the specified range for the model used.
■ Poor mounting examples
Axial direction
Rotationaldirection
■ Precautions for handlingCouplings are assembled at high accuracy using a special mount-ing jig to ensure accurate concentricity of left and right internal diameters.Take extra precautions when handling couplings, should strong shocks be given on couplings, it may affect mounting accuracy and cause the parts to break during use.
(1) Couplings are designed for use within an operating tempera-ture range of －30℃ to 100℃. Although the couplings are designed to be waterproof and oil proof, do not subject them to excessive amounts of water and oil as it may cause part deterioration.
(2) Handle the element with care as it is made of a thin stainless steel metal disc, also making sure to be careful so as not to injure yourself.
(3) Do not tighten up clamp bolts until after inserting the mounting shaft.
■ Mounting(1) Check that clamp bolts have been loosened and remove any
rust, dust, oil residue, etc. from the inner diameter surfaces of the shaft and couplings. (Use a waste cloth, etc. to wipe away oil residue or an oil remover as needed.)
(2) Be careful when inserting the couplings into the shaft so as not to apply excessive force of compression or tensile force to the element. Be particularly careful not to apply excessive compressing force needlessly when inserting couplings into the paired shaft after attaching the couplings to the motor.
(3) With two of the clamp bolts loosened, make sure that couplings move gently along the axial and rotational directions.Readjust the centering of the two shafts if the couplings fail to move smoothly enough.This method is recommended as a way to easily check the concentricity of the left and right sides. If unable to use the same method, check the mounting accuracy using machine parts quality control procedures or an alternative method.
(4) As a general rule, round shafts are to be used for the paired mounting shaft. If needing to use a shaft with a different shape, be careful not to insert it into any of the locations indicated in the following figure. (Do not attempt to face keyways, D-shaped cuts, or other insertions to the grayed areas .)Placing the shaft in an undesirable location may cause the couplings to break or lead to a loss in shaft holding power. It is recommended that you use only round shafts to ensure full utilization of the entire range of coupling performance.
■ Proper mounting examples
■ Spring characteristics SFC SA2■ Axial load and amount of displacement
■ Spring characteristics SFC DA2■ Axial load and amount of displacement
■ Parallel misalignment direction load and amount of displacement
030SA2
020SA2005SA2
080SA2 090SA2
100SA2
060SA2035SA2
010SA2
025SA2
00
0.5 1.0 1.5 2.0
60
50
40
30
20
10
90
80
70
Displacement [mm]
Load
[N
]
002SA2 055SA2
040SA2
050SA2
035DA2
010DA2
020DA2005DA2
080DA2
090DA2
100DA2
060DA2
050DA2
040DA2
030DA2025DA2
0 0.5 1.0 1.5 2.00
60
50
40
30
20
10
90
80
70
Displacement [mm]
Load
[N
]
002DA2
055DA2
035DA2
010DA2025DA2
030DA2050DA2
040DA2020DA2
005DA2
080DA2
090DA2
100DA2
060DA2
0 0.1 0.2 0.3 0.4 0.5 0.60
300
250
200
150
100
50
350
Parallel [mm]
Load
[N
]
002DA2
SERVOFLEX SFC
Items Checked for Design Purposes
012 MIKI PULLEY SERVOFLEX MIKI PULLEY SERVOFLEX 013
Model
SFC-002SA2/DA2SFC-005SA2/DA2SFC-010SA2/DA2SFC-010SA2/DA2SFC-020SA2/DA2SFC-025SA2/DA2SFC-030SA2/DA2SFC-035SA2/DA2SFC-040SA2/DA2SFC-050SA2/DA2SFC-055SA2/DA2SFC-060SA2/DA2SFC-080SA2/DA2SFC-090SA2/DA2SFC-100SA2/DA2
M1.6M2M2
M2.5M2.5M2.5M3M4M4M5M6M6M8M8M8
0.23 ～ 0.280.4 ～ 0.50.4 ～ 0.51.0 ～ 1.11.0 ～ 1.11.0 ～ 1.11.5 ～ 1.93.4 ～ 4.13.4 ～ 4.17.0 ～ 8.514 ～ 1514 ～ 1527 ～ 3027 ～ 3027 ～ 30
Nominal clamp bolt dia. Tightening torque [N･m]
Model
SFC-002SA2/DA2SFC-005SA2/DA2SFC-010SA2/DA2SFC-020SA2/DA2SFC-025SA2/DA2SFC-030SA2/DA2SFC-035SA2/DA2SFC-040SA2/DA2SFC-050SA2/DA2SFC-055SA2/DA2SFC-060SA2/DA2SFC-080SA2/DA2SFC-090SA2/DA2SFC-100SA2/DA2
5.97.859.15
10.7510.7512.415.515.520.524
25.2303030
0.551
1.051.651.92.533
2.42.63.28
8.39.8
LF [mm] S [mm]
LFLF
SS
(5) Insert each shaft far enough in that the paired shaft touches the shaft along the entire length of the clamp hub of the coupling (LF dimension) as shown in the diagram below.In addition, restrict the dimensions between clamp hub faces (S dimensions in the diagram) within the allowable misalignment of the axial direction displacement with respect to a reference value. Note that the tolerance values were calculated based on the assumption that both the level of parallel misalignment and angular deflection are zero. Adjust to keep this value as low as possible.
(6) Check to make sure that no compression or tensile force is being applied along the axial direction before tightening up the two clamp bolts. Use a calibrated torque wrench to tighten the clamp bolts to within the tightening torque range listed below.
* Use M2 bolts on SFC-010SA2/DA2 models with holes with a diameter of ø8 mm.* The start and end numbers for the tightening torque ranges are between the minimum and maximum values. Tighten bolts to a tightening torque within the specified range for the model used.
■ Poor mounting examples
Axial direction
Rotationaldirection
■ Precautions for handlingCouplings are assembled at high accuracy using a special mount-ing jig to ensure accurate concentricity of left and right internal diameters.Take extra precautions when handling couplings, should strong shocks be given on couplings, it may affect mounting accuracy and cause the parts to break during use.
(1) Couplings are designed for use within an operating tempera-ture range of －30℃ to 100℃. Although the couplings are designed to be waterproof and oil proof, do not subject them to excessive amounts of water and oil as it may cause part deterioration.
(2) Handle the element with care as it is made of a thin stainless steel metal disc, also making sure to be careful so as not to injure yourself.
(3) Do not tighten up clamp bolts until after inserting the mounting shaft.
■ Mounting(1) Check that clamp bolts have been loosened and remove any
rust, dust, oil residue, etc. from the inner diameter surfaces of the shaft and couplings. (Use a waste cloth, etc. to wipe away oil residue or an oil remover as needed.)
(2) Be careful when inserting the couplings into the shaft so as not to apply excessive force of compression or tensile force to the element. Be particularly careful not to apply excessive compressing force needlessly when inserting couplings into the paired shaft after attaching the couplings to the motor.
(3) With two of the clamp bolts loosened, make sure that couplings move gently along the axial and rotational directions.Readjust the centering of the two shafts if the couplings fail to move smoothly enough.This method is recommended as a way to easily check the concentricity of the left and right sides. If unable to use the same method, check the mounting accuracy using machine parts quality control procedures or an alternative method.
(4) As a general rule, round shafts are to be used for the paired mounting shaft. If needing to use a shaft with a different shape, be careful not to insert it into any of the locations indicated in the following figure. (Do not attempt to face keyways, D-shaped cuts, or other insertions to the grayed areas .)Placing the shaft in an undesirable location may cause the couplings to break or lead to a loss in shaft holding power. It is recommended that you use only round shafts to ensure full utilization of the entire range of coupling performance.
■ Proper mounting examples
■ Spring characteristics SFC SA2■ Axial load and amount of displacement
■ Spring characteristics SFC DA2■ Axial load and amount of displacement
■ Parallel misalignment direction load and amount of displacement
030SA2
020SA2005SA2
080SA2 090SA2
100SA2
060SA2035SA2
010SA2
025SA2
00
0.5 1.0 1.5 2.0
60
50
40
30
20
10
90
80
70
Displacement [mm]
Load
[N
]
002SA2 055SA2
040SA2
050SA2
035DA2
010DA2
020DA2005DA2
080DA2
090DA2
100DA2
060DA2
050DA2
040DA2
030DA2025DA2
0 0.5 1.0 1.5 2.00
60
50
40
30
20
10
90
80
70
Displacement [mm]
Load
[N
]
002DA2
055DA2
035DA2
010DA2025DA2
030DA2050DA2
040DA2020DA2
005DA2
080DA2
090DA2
100DA2
060DA2
0 0.1 0.2 0.3 0.4 0.5 0.60
300
250
200
150
100
50
350
Parallel [mm]
Load
[N
]
002DA2
SERVOFLEX SFC
Items Checked for Design Purposes
014 MIKI PULLEY SERVOFLEX MIKI PULLEY SERVOFLEX 015
■ Easy size selection chart
0.050.10.20.40.50.5
0.750.750.85
11
1.21.51.5223
3.53.5557
3000300030003000200030002000300010002000300010002000300020003000100020003000200030002000
0.160.320.641.3
2.391.593.582.4
8.124.783.1811.57.164.789.556.3728.616.711.123.915.933.4
0.480.951.93.8
7.164.7710.77.2
24.414.49.5534.421.614.328.515.985.950.127.971.639.7100
88
1414242422192424243528243524353528352835
SFC-010SA2SFC-020SA2SFC-025SA2SFC-035SA2SFC-050SA2SFC-050SA2SFC-050SA2SFC-040SA2SFC-055SA2SFC-050SA2SFC-050SA2SFC-080SA2SFC-055SA2SFC-050SA2SFC-080SA2SFC-050SA2SFC-090SA2SFC-080SA2SFC-055SA2SFC-080SA2SFC-060SA2SFC-090SA2
SFC-010DA2SFC-020DA2SFC-025DA2SFC-035DA2SFC-050DA2SFC-050DA2SFC-050DA2SFC-040DA2SFC-055DA2SFC-050DA2SFC-050DA2SFC-080DA2SFC-055DA2SFC-050DA2SFC-080DA2SFC-050DA2SFC-090DA2SFC-080DA2SFC-055DA2SFC-080DA2SFC-060DA2SFC-090DA2
8111418303030223030304030304030454030403545
1248
25252510402525
1004025
10025
18010040
10060
180
19262939565656446356568263568256948263826894
Servo motor specifications
Rated output[kW]
Rated rotation speed [min－1]
Rated torque[N･m]
Max. torque[N･m]
Shaft dia.[mm]
Corresponding coupling specifications
Single elementtype
Double elementtype
Max. bore dia.［mm］
Outer dia.[mm]
Rated torque[N･m]
Select a coupling size based on the rated output and the rated/maximum torque of the ordinary servo motor. The torque characteristics of servo motors vary between manufacturers, so check the specifications in the manufacturer catalog before finalizing a coupling size selection.
■ Selection
Ta [N･m] ＝ 9550 ×n [min－1]P [kW]
Td [N･m] = Ta [N･m] × K (see below)
(1) Find the torque Ta applied to the coupling using the output capacity, P, of the driver and the usage speed, n.
(2) Determine the factor K from the load properties, and find the corrected torque, Td, applied to the coupling.
Tn [N･m] ≧ Td [N･m]
Td [N･m] = Ts [N･m] × (1.2 to 1.5)
(3)
(4)
Set the size so that the rated coupling torque, Tn, is higher than the corrected torque, Td.
For servo motor drive, multiply the maximum torque, Ts, by the usage factor K = 1.2 to 1.5.
The rated torque of the coupling may be limited by the bore diameter of the coupling. See the Specifications and Standard Bore Diameters tables.
Loadproperties
Constant Vibration : Small Vibration : Medium Vibration : Large
K 1.0 1.25 1.75 2.25
Check that the mount shaft is no larger than the maximum bore diameter of the coupling.
(5)
Contact MIKI PULLEY for assistance with any device experi-encing extreme periodic vibrations.
*
■ How to find the natural frequency of a feed screw system
■ Stepper motor resonance
■ Servo motor oscillation
■ Points to consider regarding the feed screw system
When the torsional natural frequency of the overall feed screw system is 400 to 500 Hz or less, gain adjustment of the servo motor may cause the servo motor to oscillate.Oscillation in the servo motor during operation can cause problems particularly with the overall natural frequency and electrical control systems of the feed screw system.In order for these issues to be resolved, the torsional stiffness for the coupling and feed screw section and the moment of inertia and other characteristics for the system overall will need to be adjusted and the torsional natural frequency for the mechanical system raised or the tuning function (filter function) for the electrical control system in the servo motor adjusted during the design stage.
Stepper motors resonate at certain rotation speeds due to the pulsation frequency of the stepper motor and the torsional natural frequency of the system as a whole. To avoid resonance, either the resonant rotation speed must be simply skipped or the torsional natural frequency considered at the design stage.
Please contact MIKI PULLEY with any questions regarding servo motor oscillation or stepper motor resonance.
(1) Select a coupling based on the nominal and maximum torque of the servo motor or stepper motor.
(2) Find the overall natural frequency, Nf, from the torsional stiffness of the coupling and feed screw, κ, the moment of inertia of driving side, J1, and the moment of inertia of driven side, J2, for the feed screw system shown below.
Nf：Overall natural frequency of a feed screw system [Hz]κ：Torsional stiffness of the coupling and feed screw [N･m/rad]J1：Moment of inertia of the driver [kg･m²]J2：Moment of inertia of the follower [kg･m²]
Nf = 2π1
J1 J2K +1 1
J1J2
κ
Motor Feed screw
Bearing
TableCoupling
■ Surface processing of coupling bore diameter
■ Clamp bolts
■ Options with keyway milling
ε = tanθ × LGε：Allowable parallel misalignment [mm]θ：Allowable angular deflection [°]
LG = LP ＋ SLP：Total length of spacer [mm]S：Gap size between clamp hub and spacer [mm]
LG
θ
θε
■ Length-specified special order parts option
Couplingsize
002005・010
010・020・025030
035・040050
055・060080・090・100
M1.6M2
M2.5M3M4M5M6M8
0.23 ～ 0.280.4 ～ 0.51.0 ～ 1.11.5 ～ 1.93.4 ～ 4.17.0 ～ 8.514 ～ 1527 ～ 30
Nominalbolt dia.
Tighteningtorque [N･m]
N3LTDKN6LTDK
N12LTDKN20LTDKN50LTDK
N100LTDKN230LCKN450LCK
torquedriver or wrench
CB 1.5mmSB 1.5mmSB 2mm
SB 2.5mmSB 3mmSB 4mm
230HCK 5mm450HCK 6mm
Hexagonbit or head
■ Compatible torque driver and wrench
Specify any length for the length-specified special order option for the SERVOFLEX SFC DA2. Use the following formula to calculate the allowable parallel misalignment value, adjust it to be no greater than that value, and then mount the coupling.
SERVOFLEX SFC models exhibit satisfactory performance in transmitting torque by the clamp mechanism, but options for keyway milling are available on request. Be aware, however, that mounting of couplings using keys and keyways involve the following issues.
(1) Key must be no wider than the keyway. Pressure fitting the key may lead to damage of the coupling during mounting or operation.
(2) Positioning precision for keyway milling is determined by sight, so contact MIKI PULLEY when the keyway requires a position-ing precision for a particular hub.
(3) Using Js9 class tolerances provides a tight fit, so it may be possible for couplings to become compressed when mounted on shafts. Be careful not to compress the couplings.
(4) Setting the fit of the key and keyway too loosely may generaterattle or dust. Also, be careful that the key does not come out.
(5) Adding a set screw over the keyway may lower clamp perfor-mance or the set screw may become loose within the torque range you use or in forward/reverse operation. The structural strength of the clamp hub may also decline or the coupling be damaged, so this is not recommended.
Use MIKI PULLEY-specified clamp bolts because they are processed with solid lubricant coating (except for SFC-002 M1.6). Applying adhesives to prevent loosening, oil, or the like to a clamp bolt will alter torque coefficients due to those lubricating components, creating excessive axial forces and potentially damaging the clamp bolt or coupling. Consult MIKI PULLEY before using such products.
The bore diameters of SERVOFLEX SFC models may or may not have surface processing in some components due to the circum-stances of processing (additional processing, keyway milling, etc.). This does not affect coupling performance. Consult MIKI PULLEY if your usage conditions require that bore diameters be surface processed or not.
SERVOFLEX SFC
Items Checked for Design Purposes
014 MIKI PULLEY SERVOFLEX MIKI PULLEY SERVOFLEX 015
■ Easy size selection chart
0.050.10.20.40.50.5
0.750.750.85
11
1.21.51.5223
3.53.5557
3000300030003000200030002000300010002000300010002000300020003000100020003000200030002000
0.160.320.641.3
2.391.593.582.4
8.124.783.1811.57.164.789.556.3728.616.711.123.915.933.4
0.480.951.93.8
7.164.7710.77.2
24.414.49.5534.421.614.328.515.985.950.127.971.639.7100
88
1414242422192424243528243524353528352835
SFC-010SA2SFC-020SA2SFC-025SA2SFC-035SA2SFC-050SA2SFC-050SA2SFC-050SA2SFC-040SA2SFC-055SA2SFC-050SA2SFC-050SA2SFC-080SA2SFC-055SA2SFC-050SA2SFC-080SA2SFC-050SA2SFC-090SA2SFC-080SA2SFC-055SA2SFC-080SA2SFC-060SA2SFC-090SA2
SFC-010DA2SFC-020DA2SFC-025DA2SFC-035DA2SFC-050DA2SFC-050DA2SFC-050DA2SFC-040DA2SFC-055DA2SFC-050DA2SFC-050DA2SFC-080DA2SFC-055DA2SFC-050DA2SFC-080DA2SFC-050DA2SFC-090DA2SFC-080DA2SFC-055DA2SFC-080DA2SFC-060DA2SFC-090DA2
8111418303030223030304030304030454030403545
1248
25252510402525
1004025
10025
18010040
10060
180
19262939565656446356568263568256948263826894
Servo motor specifications
Rated output[kW]
Rated rotation speed [min－1]
Rated torque[N･m]
Max. torque[N･m]
Shaft dia.[mm]
Corresponding coupling specifications
Single elementtype
Double elementtype
Max. bore dia.［mm］
Outer dia.[mm]
Rated torque[N･m]
Select a coupling size based on the rated output and the rated/maximum torque of the ordinary servo motor. The torque characteristics of servo motors vary between manufacturers, so check the specifications in the manufacturer catalog before finalizing a coupling size selection.
■ Selection
Ta [N･m] ＝ 9550 ×n [min－1]P [kW]
Td [N･m] = Ta [N･m] × K (see below)
(1) Find the torque Ta applied to the coupling using the output capacity, P, of the driver and the usage speed, n.
(2) Determine the factor K from the load properties, and find the corrected torque, Td, applied to the coupling.
Tn [N･m] ≧ Td [N･m]
Td [N･m] = Ts [N･m] × (1.2 to 1.5)
(3)
(4)
Set the size so that the rated coupling torque, Tn, is higher than the corrected torque, Td.
For servo motor drive, multiply the maximum torque, Ts, by the usage factor K = 1.2 to 1.5.
The rated torque of the coupling may be limited by the bore diameter of the coupling. See the Specifications and Standard Bore Diameters tables.
Loadproperties
Constant Vibration : Small Vibration : Medium Vibration : Large
K 1.0 1.25 1.75 2.25
Check that the mount shaft is no larger than the maximum bore diameter of the coupling.
(5)
Contact MIKI PULLEY for assistance with any device experi-encing extreme periodic vibrations.
*
■ How to find the natural frequency of a feed screw system
■ Stepper motor resonance
■ Servo motor oscillation
■ Points to consider regarding the feed screw system
When the torsional natural frequency of the overall feed screw system is 400 to 500 Hz or less, gain adjustment of the servo motor may cause the servo motor to oscillate.Oscillation in the servo motor during operation can cause problems particularly with the overall natural frequency and electrical control systems of the feed screw system.In order for these issues to be resolved, the torsional stiffness for the coupling and feed screw section and the moment of inertia and other characteristics for the system overall will need to be adjusted and the torsional natural frequency for the mechanical system raised or the tuning function (filter function) for the electrical control system in the servo motor adjusted during the design stage.
Stepper motors resonate at certain rotation speeds due to the pulsation frequency of the stepper motor and the torsional natural frequency of the system as a whole. To avoid resonance, either the resonant rotation speed must be simply skipped or the torsional natural frequency considered at the design stage.
Please contact MIKI PULLEY with any questions regarding servo motor oscillation or stepper motor resonance.
(1) Select a coupling based on the nominal and maximum torque of the servo motor or stepper motor.
(2) Find the overall natural frequency, Nf, from the torsional stiffness of the coupling and feed screw, κ, the moment of inertia of driving side, J1, and the moment of inertia of driven side, J2, for the feed screw system shown below.
Nf：Overall natural frequency of a feed screw system [Hz]κ：Torsional stiffness of the coupling and feed screw [N･m/rad]J1：Moment of inertia of the driver [kg･m²]J2：Moment of inertia of the follower [kg･m²]
Nf = 2π1
J1 J2K +1 1
J1J2
κ
Motor Feed screw
Bearing
TableCoupling
■ Surface processing of coupling bore diameter
■ Clamp bolts
■ Options with keyway milling
ε = tanθ × LGε：Allowable parallel misalignment [mm]θ：Allowable angular deflection [°]
LG = LP ＋ SLP：Total length of spacer [mm]S：Gap size between clamp hub and spacer [mm]
LG
θ
θε
■ Length-specified special order parts option
Couplingsize
002005・010
010・020・025030
035・040050
055・060080・090・100
M1.6M2
M2.5M3M4M5M6M8
0.23 ～ 0.280.4 ～ 0.51.0 ～ 1.11.5 ～ 1.93.4 ～ 4.17.0 ～ 8.514 ～ 1527 ～ 30
Nominalbolt dia.
Tighteningtorque [N･m]
N3LTDKN6LTDK
N12LTDKN20LTDKN50LTDK
N100LTDKN230LCKN450LCK
torquedriver or wrench
CB 1.5mmSB 1.5mmSB 2mm
SB 2.5mmSB 3mmSB 4mm
230HCK 5mm450HCK 6mm
Hexagonbit or head
■ Compatible torque driver and wrench
Specify any length for the length-specified special order option for the SERVOFLEX SFC DA2. Use the following formula to calculate the allowable parallel misalignment value, adjust it to be no greater than that value, and then mount the coupling.
SERVOFLEX SFC models exhibit satisfactory performance in transmitting torque by the clamp mechanism, but options for keyway milling are available on request. Be aware, however, that mounting of couplings using keys and keyways involve the following issues.
(1) Key must be no wider than the keyway. Pressure fitting the key may lead to damage of the coupling during mounting or operation.
(2) Positioning precision for keyway milling is determined by sight, so contact MIKI PULLEY when the keyway requires a position-ing precision for a particular hub.
(3) Using Js9 class tolerances provides a tight fit, so it may be possible for couplings to become compressed when mounted on shafts. Be careful not to compress the couplings.
(4) Setting the fit of the key and keyway too loosely may generaterattle or dust. Also, be careful that the key does not come out.
(5) Adding a set screw over the keyway may lower clamp perfor-mance or the set screw may become loose within the torque range you use or in forward/reverse operation. The structural strength of the clamp hub may also decline or the coupling be damaged, so this is not recommended.
Use MIKI PULLEY-specified clamp bolts because they are processed with solid lubricant coating (except for SFC-002 M1.6). Applying adhesives to prevent loosening, oil, or the like to a clamp bolt will alter torque coefficients due to those lubricating components, creating excessive axial forces and potentially damaging the clamp bolt or coupling. Consult MIKI PULLEY before using such products.
The bore diameters of SERVOFLEX SFC models may or may not have surface processing in some components due to the circum-stances of processing (additional processing, keyway milling, etc.). This does not affect coupling performance. Consult MIKI PULLEY if your usage conditions require that bore diameters be surface processed or not.
SERVOFLEX SFC
Items Checked for Design Purposes
SERVOFLEX SFCHigh performance metal disk coupling
'15.06-1-MP-SFC2(eu)-001A
23
25
■ GROUP COMPANIES
■ DISTRIBUTORS
■ JOINT VENTURE COMPANIES
■ PARTNERS
AUSTRALIANAISMITH ENGINEERING & MANUFACTURING CO. PTY. LTD.149 HEIDELBERG ROAD, NORTHCOTE 3070,VICTORIA, AUSTRALIATEL:61-3-9489-9811 FAX:61-3-9482-1474
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17 CHINAMIKI PULLEY(TIANJIN) CO., LTD.NO.2 LIAO HE BEI DAO, BEI CHEN HIGH-TECHPARK TIANJIN, P.C. 300410, CHINATEL:86-22-2630-3111 FAX:86-22-2672-3111
31CHINATIANJIN ACE PILLAR CO., LTD.NO.3 WEST 10 AVENUE, TIANJIN AIRPORTINDUSTRIAL PARK, TIANJIN CHINA, 300308TEL:86-22-2355-6000 FAX:86-22-2355-6368
GERMANYCENTA ANTRIEBE KIRSCHEY GmbHBERGISCHE STRASSE 7 42781 HAAN, GERMANYTEL:49-2129-9120 FAX:49-2129-2790
03
05
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