GERWAH Backlash-free Servo-insert Couplings€¦ · Backlash-free Servo-insert Couplings Product...

Edit

ion

10

/20

05

®

DIST. AUTORIZADOMEX (55) 53 63 23 31QRO (442) 1 95 72 60MTY (81) 83 54 10 [email protected]

s.r.o.

ChotesovChotesov

Hamburg

Berlin

PilsenFrankfurt

2

G E R W A H T h e C o m p a n y

Yo u C a n R e l y O n U s [email protected] • www.gerwah.com • Phone 0049-6022-22040 F a x 0 0 4 9 - 6 0 2 2 - 2 20 4 1 1 • D - 6 3 8 6 8 G r o s s w a l l s t a d t

Munich

Prague

Gross-wallstadt

Gross-wallstadt

Our new headquarters in Grosswallstadt, Germany

We are certified according to DIN EN ISO 9001 (Cert.-No. 0063-D)

GERWAH - You Can Rely On Us!

GERWAH GmbH was founded in 1980. The idea of new, innovative products has made GERWAH a recognized partnerin the machine tool industry.We are a dynamic, spirited and fast growing company with clear goals andopen mind that is reflected in thearchitecture of our new headquarters.

Our Goals

• To add value for our customers by providing innovative product solutions

• To develop solutions in cooperation with our customers

• Satisfied customers

Our Advantages

• Know-how, innovative designs and cutting edge manufacturing plants

• Customer oriented employees

• Technical assistance and service, both locally and internationally

• Qualified sales force

• Economic stability

• Worldwide presence with subsidiaries and dealers

®


3

EK/GS miniature

DK/GS

ADS

ADS/R

ASS/

ASS/A-P

DMK/ADS

DXK/ADS

Backlash-free Servo-insert Couplings Product Range

Yo u C a n R e l y O n U s !

The information in this cataloguecontains product descriptions anddoes not constitute any specificpromises. The user must define

and check the technical featuresfor use in each specific application.All data is subject to change wi-thout notice.

Only individual agreements arebinding for products supplied.Zero backlash torque limiters arecritical components in potentially

dangerous areas and need to beprotected against unintended con-tacts during operation.

Miniature Servo-insert Couplingwith set screw style hubs

Technical Data Page 4

Servo-insert Coupling withclamping style hubs and single slit


Servo-insert Coupling with clampingstyle hubs and dual slits


Servo-insert Coupling withshrink disc style hubs


High Speed Servo-insertCoupling with shrink disc style

hubs for short spindlesacc. to DIN 69002


Servo-insert Coupling – inter-changeable with competitor’s


Combination Servo-insertCoupling and zero backlash

torque limiter


Combination Servo-insertCoupling and zero backlash ball

detent torque limiter


Technical information Page 12Checklist for ordering Page 15

[email protected] • www.gerwah.com • Phone 0049-6022-22040 F a x 0 0 4 9 - 6 0 2 2 - 2 2 0 4 1 1 • D - 6 3 8 6 8 G r o s s w a l l s t a d t

Special Features• Backlash free• Simple, plug-in mounting• Vibration damping• Compensation of radial, axial and angular misalignment

• Transmission of torque values between 0.5 and 650 NmCommon Applications• Encoder• Precision drives• Feed drives

• Grinding and milling spindles• Machine tools• Packaging machines• Industrial robots• Transfer lines• Multi-spindle heads

• Wood processing equipment• Textile machinery• Conveying equipment• Linear motion• Measuring equipment and controls• Test rigs

®


Ø 2

0,1

Ø 3

0,40,4

Ø 4

0,5111

Ø5

0,51,222

Ø6

1,23

3,63,6

Ø7

1,2366

Ø8

37,599

Ø 9

37,51012

Ø 10

37,51017

Ø 11

37,51022

Ø 12

7,51029

Ø 13

7,51035

Ø 14

7,51035

Ø 15

7,51035

Ø 16

7,51035

Ø 17

1035

Ø 18

1035

Ø 20

1035

Ø 24

1035

Ø 28

35

5

15105

2-55

2,51xM3

7

22147

3-78

2,51xM3

9

302010

4-11105

2xM4

19

664025

6-241610

2xM6

24

785530

8-281810

2xM6

14

353011

4-16135

2xM6

4

EK/GS 14 - 10H7 - 14H7 - xxxxx

5

0,50,034

1,30,9

47500

7

1,20,196

1,32,6

34000

9

3,01,08

37,3

24000

14

7,55,71018

16000

19

10361070

12000

24

3516210

1608500

120°

G (DIN 916)

ØD

2H7

ØD

1H7

Ø A

EC C

IL

Type

579141924

Bore rangeD1/D2 and

correspondingtransmissibletorque values

(Nm) of thecoupling

Backlash-free Servo-insert Coupling Type EK/GS

1) Moment of inertia and weight (mass) are calculated with reference to the largest bore size.

Dimensions(mm)

series EK/GS

aluminium alloy

Type

LACØ D1H7 / Ø D2H7 min. - max.EIG (DIN 916)Hub material


Orderingdata

Type

Bore size D1

Bore size D2

Additional details, e.g. different shore hardness (p. 14), keyway

• Compact design• Economically priced• Axial assembly• Vibration damping• Electrically isolating

TypeTechnicaldata

series EK/GSNominal torque (Nm) TKN (92 Sh A)

Moment of inertia of coupling (10-6 kgm2) J1)

Tightening torque of screws (Nm) MA

Weight per hub (app. g) mMax. speed (rpm) nmax

Standard shore hardness 92 SH A (yellow)

keyway acc. DIN 6885-1 optionally

[email protected] • www.gerwah.com • Phone 0049-6022-22040 F a x 0 0 4 9 - 6 0 2 2 - 2 20 4 1 1 • D - 6 3 8 6 8 G r o s s w a l l s t a d t

®


5

15

10

5

2-4

3,2

5

2,5

M1,6

11,5

7

22

14

7

3-7

5

8

3,5

M2

16,5

9

30

20

10

4-11

7,3

10

5

M2,5

23,5

19

66

40

25

10-20

15

16

6

M5

45

14

35

30

11

9-14

10,5

13

5

M4

34

Ø 2

0,1

Ø 3

0,4

0,4

Ø 4

0,5

0,9

1

Ø5

0,95

2

Ø6

1

2,3

Ø7

1,1

2,4

Ø8

2,5

Ø 9

2,6

7,5

Ø 10

2,7

7,5

10

Ø 11

2,8

7,5

10

Ø 12

7,5

10

Ø 13

7,5

10

Ø 14

7,5

10

Ø 15

7,5

10

Ø 16

7,5

10

Ø 17

10

Ø 18

10

Ø 20

10

5

DK/GS 9 - 4H7 - 10H7 - xxxxx

5 7 9 14 19

0,5

0,034

0,25

0,9

38000

1,2

0,196

0,35

2,6

27000

3,0

1,08

0,75

7,3

19000

10

36

10

70

10000

7,5

5,7

5

18

13000

G (DIN EN ISO 4762)(Type 5 DIN EN ISO 1207)

ØD

2H7

K

ØH

ØD

1H7

ØA

EC C

IL


Dimensions(mm)

series DK/GS

Type

LACØ D1H7 / Ø D2H7 min. - max.KEIG (DIN EN ISO 4762)H (clearance diameter)Hub material

Bore rangeD1/D2 and


(Nm) of thecoupling

Type

5791419


Orderingdata

Type

Bore size D1

Bore Size D2


• Economical hub design• Installation-friendly• Electrically isolating• Vibration damping• Fail-safe design

TypeTechnicaldata

series DK/GSNominal torque (Nm) TKN (92 Sh A)



Weight per hub (app. g) mMax. speed (rpm) nmax

Standard shore hardness 92 SH A (yellow)


Backlash-free Servo-insert Coupling Type DK/GS

aluminium alloy


®


14

35

30

11

10-14

10,5

13

5

M4

34

19

66

40

25

10-20

15

16

6

M5

45

24

78

55

30

20-28

20

18

10

M6

57

38

114

80

45

32-44

30

24

13

M10

89

42

126

95

50

35-50

35

26

14

M10

96

48

140

105

56

40-60

40

28

15

M12

110

28

90

65

35

24-38

24

20

11

M8

70

6

ADS 42 - 40H7 - 44H7 - xxxxx

14 19 24 28 38 42 48

12,5

0,0057

5

0,018

13000

17

0,036

10

0,07

10000

60

0,15

18

0,15

7000

325

1,04

84

0,45

5000

450

6,1

84

2,06

4000

525

14,6

145

2,6

3600

160

0,33

43

0,24

6000

K

ØH

G (DIN EN ISO 4762)

CC E

ØD

1H7

ØD

2H7

ØA

IL

1) The moment of inertia and the weight (mass) are calculated with reference to the largest bore size.

Dimensions(mm)

series ADS

Type

LACØ D1H7 / Ø D2H7 min. - max.KElG (DIN EN ISO 4762)H (clearance diameter)Hub material aluminium alloy steel

Bore rangeD1/D2 and


(Nm) of thecoupling


Orderingdata

Type

Bore size D1

Bore size D2


• Clamping hub for higher torque capacity• Simple assembly• Vibration damping• Electrically isolating

TypeTechnicaldata

series ADSNominal torque (Nm) TKN (92 Sh A)



Weight per hub (app. kg) mMax. speed (rpm) nmax

Standard shore hardness 98 SH A (red)


Backlash-free Servo-insert Coupling Type ADS


Ø10

12,5

17

Ø 11

12,5

17

Ø 13

12,5

17

Ø 14

12,5

17

Ø 16

17

Ø 18

17

Ø 19

17

Ø 20

17

60

Ø 24

60

160

Ø 25

60

160

Ø 28

60

160

Ø 30

160

Ø 35

160

325

415

Ø 38

160

325

427

Ø 40

325

435

525

Ø 42

325

443

525

Ø 44

325

450

525

Ø 48

450

525

Ø 50

450

525

Ø 60

525

Type

14192428384248

Ø 32

160

325

®


14

35

30

11

5-16

11

13

5

M3

32,2

19

66

40

25

8-20

14,5

16

12

M6

46

24

78

55

30

10-28

20

18

10,5

M6

57

38

114

80

45

15-45

30

24

15,5

M8

83

42

126

95

85

50

20-48

28

32,5

26

18

M10

91

48

140

105

95

56

25-55

32

36

28

21

M12

104,5

28

90

65

35

14-38

24,5

20

11,5

M8

71

7

ADS/R 42 - 20H7 - 25H7 - xxxxx

14 19 24 28 38 42 48

12,5

0,0057

1,5

0,018

13000

17

0,036

11

0,07

10000

60

0,15

11

0,15

7000

325

0,96

25

0,45

5000

450

4,92

69

1,78

4000

525

8,26

120

2,4

3600

160

0,33

25

0,22

6000

Ø 11

5,6

17

22

Ø 14

6,1

17

45

46

Ø 16

6,5

17

47

68

68

Ø 18

17

49

97

99

Ø 19

17

50

98

114

Ø 20

17

51

100

116

134

Ø 24

54

105

121

230

Ø 25

55

107

123

261

261

Ø 28

57

111

127

301

366

Ø 30

114

130

308

450

Ø 32

117

133

314

494

Ø 35

121

137

324

508

Ø 38

126

141

333

522

Ø 40

144

340

525

Ø 42

147

346

525

Ø 45

152

356

525

Ø 48

366

525

Ø 50

525

Ø 55

525

CC E

ØD

1H7

ØD

2H7

Ø

L

IF

ØA

K

ØH

G (DIN EN ISO 4762)

Dimensions (mm)

series ADS/R

Type

LABCØ D1H7 / Ø D2H7 min. - max.FKElG (DIN EN ISO 4762)H (clearance diameter)Hub material aluminium alloy steel

only for sizes 42 and 48

only for sizes 42 and 48


Orderingdata

Type

Bore size D1

Bore size D2


• Dimensionally equivalent to competitor’s type

TypeTechnicaldata

series ADS/RNominal torque (Nm) TKN (92 Sh A)





Bore rangeD1/D2 and


(Nm) of thecoupling

keyway acc. to DIN 6885-1 optionally

Backlash-free Servo-insert Coupling Type ADS/R

1) Moment of inertia and weight (mass) are calculated with reference to the largest bore size.Hub design: up to size 19 one slit, from size 24 up two slits.

Type

14192428384248


®


Ø 6

3,6

Ø10

12,5

17

Ø 11

12,5

17

22

Ø 13

12,5

17

37

Ø 14

12,5

17

46

Ø 15

17

56

56

Ø 17

17

60

68

Ø 19

17

60

114

Ø 20

17

60

134

134

Ø 24

60

160

230

Ø 25

60

160

261

Ø 27

160

325

329

Ø 30

160

325

450

450

Ø 32

160

325

450

525

Ø 36

160

325

450

525

Ø 38

325

450

525

Ø 41

325

450

525

Ø 42

450

525

Ø 44

450

525

Ø 48

450

525

Ø 50

450

525

Ø 55

525

8

ASS/A 42 - 32H7 - 41H7 - xxxxx

14 19 24 28 38 42 48

12,5

0,014

1,8

0,049

25400

17

0,063

3

0,12

19000

60

0,26

6

0,28

13800

325

1,96

10

0,95

9550

450

6,43

35

2,3

8050

525

10,54

69

3,08

7200

160

0,63

6

0,45

11700

14

50

32

18,5

6-14

13

4xM3

11

19

66

40

25

10-20

16

6xM4

14

24

78

55

30

11-25

18

4xM5

16

38

114

80

45

20-41

24

8xM6

28

42

126

95

50

27-50

26

4xM8

28

48

140

105

56

30-55

28

4xM10

30

28

90

65

35

15-36

20

8xM5

21

G (DIN EN ISO 4762)C E

L

ØA

ØD

1H7

ØD

2H7

C

MM

G (DIN EN ISO 4762)

Backlash-free Servo-insert Coupling Type ASS/A


Bore rangeD1/D2 and


(Nm) of thecoupling

Type

14192428384248


Orderingdata

Type

Bore size D1

Bore size D2

Additional details, e.g. different shore hardness (p.14)

• Very high torque transmission• Well suited for alternating loads• Vibration damping• Easy to install• Electrically isolating

TypeTechnicaldata

series ASS/ANominal torque (Nm) TKN (92 Sh A)





Dimensions(mm)

series ASS/A

Type

LACØ D1H7 / Ø D2H7 min. - max.EG (DIN EN ISO 4762)MHub material aluminium alloy steel


®


Ø 14

12,5

Ø19

17

Ø 25

60

Ø35

160

Ø40

325

Ø42

450

Ø45

525

9

14 19 24 28 38 42 48

12,5

0,022

1,9

0,08

31800

17

0,092

3

0,19

23800

60

0,41

8,5

0,44

17300

325

2,7

14

1,32

11900

450

6,5

35

2,23

10000

525

10,6

69

3,09

9100

160

0,87

8,5

0,64

14700

ASS/A-P 42 - 42H6 - 42H6 - xxxxx

14

50

32

18,5

14

8,5

13

4xM3

11

19

66

40

25

19

9,5

16

6xM4

14

24

78

55

30

25

12,5

18

4xM5

16

38

114

80

45

40

16,5

24

8xM6

28

42

126

95

50

42

18,5

26

4xM8

28

48

140

105

56

45

20,5

28

4xM10

30

28

90

65

35

35

14,5

20

8xM5

21

G (DIN EN ISO 4762)C E

L

ØA

ØD

1H6 j5

ØD

3

ØD

2H6 j5

C

MM

G (DIN EN ISO 4762)

Clamping hub material: alloy steelPush-off threads between the locking screws for size GDynamically balanced to G 6.3 specification according to ISO 1940-1.

Transmissibletorque capacityof the coupling

(Nm)

Typ

14192428384248


TypeTechnicaldata

series ASS/A-PNominal torque (Nm) TKN (92 Sh A)





Orderingdata

Type

Bore size D1

Bore size D2

Additional details, e.g. different shore hardness (p. 14)

• Extreme precision• High torque transmission• Very quiet running condition• Easy to install• Vibration damping

Dimensions(mm)

series ASS/A-P

Type

LACØ D1H6 / Ø D2H6

Ø D3EG (DIN EN ISO 4762)MHub material steel

Backlash-free Servo-insert Coupling Type ASS/A-P


®


10

DMK/ADS 28 - 30H7 - 35H7 - 80Nm - C - b

38

30-140

100-300

3

1,04

4,6

84

100

5000

2

28

25-75

65-150

0,8

0,33

2,8

43

49

6000

2

24

12-35

20-701)

0,32

0,15

1,4

18

25

7000

1,8

19

5-15

15-201)

0,1

0,036

0,5

10

15

8950

1,2

14

2-5

5-10

0,05

0,006

0,35

5

6

11450

0,7

42

140-350

250-500

5

3,1

7,5

145

145

3600

2

14

68

50

11

9-14

8-14

10,5

13

5

5,5

M4

M5

30

45

19

39

AI/AI

19

96

65

25

10-20

12-20

15

16

6

7,5

M5

M6

40

56

21

51

AI/AI

24

124

75

30

20-28

20-23

20

18

10

10

M6

M8

55

55

36

28,5

AI/AI

38

162

115

45

32-44

32-40

30

24

13

13

M10

M12

80

92

48

37

St/St

42

185

129

56

40-60

40-50

40

28

15

13

M12

M12

105

92

46

37,5

St/St

28

143

95

35

24-35

24-35

24

20

11

11

M8

M10

65

76

42

32,5

AI/St

ØD

1H7

ØD

2H7

ØA

ØB2

S

ØB1

C E

J K

G (DIN EN ISO 4762)

G (DIN EN ISO 4762)LI1

I2

M

1) To obtain the maximum adjustment range for type b, use spider with 64Sh D. 2) al = aluminum alloy, st = steelA mechanical or electrical device sensing the position of the steel ring is necessary for torque limiters DMK/ADS (disengagingtravel). In case of overload the drive must be switched off.


Orderingdata

TypeBore size D1

Bore size D2

Disengaging travelC = synchronizing engagement resp. D = Random engagementAdjustment range a resp. b

• For highest dynamic loads, with rollers• Torque limiter with integrated shaft coupling• Adjustable torque range• Compensation of shaft misalignment

TypeTechnicaldata

series DMK/ADSDisengaging torque (Nm) TKN version a

adjustable TKN version b

Moment of inertia (10-3 kgm2) J Hub side

J Elastomer side

Weight (appr. kg) mTightening torque G1of retaining screws (Nm) MA G2Max. speed (rpm) nmax

Disengaging travel (mm) SSpider shore hardness 98 SH A (red)

Dimensions(mm)

series DMK/ADS

Type

LAC‡D1H7 min. - max.‡D2H7 min. - max.KEI 1I 2G 1 (DIN EN ISO 4762)G 2 (DIN EN ISO 4762)B 1B 2JMHub material elastomer side/hub side

key-way

acc. toDIN 6885-1 optionallyDisengaging travel

Backlash-free Safety Coupling Type DMK/ADS

with rollers


®


1

DXK/ADS 28 - 30H7 - 35H6 - 8 0Nm - C - b

38

70-160

150-300

5,41

1,04

3,7

84

18

5000

2

28

25-75

65-150

1,52

0,33

1,7

43

14

6000

2

24

12-35

30-701)

0,88

0,15

1,1

18

8,5

7000

1,2

19

5-15

15-201)

0,23

0,036

0,58

10

5

8950

1,2

14

2-5

5-10

0,064

0,006

0,28

5

3

11450

0,7

42

90-250

200-500

7,84

3,1

4,4

145

25

3600

2

14

66,5

50

11

9-14

8-16

10,5

13

5

M4

6xM4

30

34

15

16

AI

19

88,5

65

25

10-20

12-20

15

16

6

M5

6xM4

40

41,5

16

20

AI

24

111

80

30

20-28

12-25

20

18

10

M6

6xM6

55

50

17

25

AI

38

151

119

45

32-44

30-45

30

24

13

M10

6xM8

80

76

26

35

St

42

170

130

56

40-60

35-50

40

28

15

M12

6xM8

105

85

26

38

St

28

123

95

35

24-35

21-35

24

20

11

M8

6xM6

65

62

20

30

AI

ØD

2H6

I G1 (DIN EN ISO 4762)J K

ØA

ØB2

SC E

ØB1

ØD

1H7

L

M

G2 (DIN EN ISO 4017)

1) To obtain the maximum adjustment range for type b, use spider with 64Sh D. 2) al = aluminum alloy, st = steelA mechanical or electrical device sensing the position of the steel ring is necessary for torque limiters DMK/ADS (Disengagingtravel). In case of overload the drive must be switched off.


Orderingdata

TypeBore size D1

Bore size D2

Disengaging travelC = synchronizing engagement resp. D = Random engagementAdjustment range a resp. b

• Low cost version, with balls• Torque limiter with integrated shaft coupling• Simple design• Compensation of shaft misalignment

TypeTechnicaldata

series DXK/ADSDisengaging torque (Nm) TKN version a

adjustable TKN version b

Moment of inertia (10-3 kgm2) J Hub side

J Elastomer side

Weight (appr. kg) mTightening torque G1of retaining screws (Nm) MA G2Max. speed (rpm) nmax

Disengaging travel (mm) SSpider shore hardness 98 SH A (red)

Dimensions(mm)

series DXK/ADS

Type

LAC‡D1H7 min. - max.‡D2H6 min. - max.KEIG 1 (DIN EN ISO 4762)G 2 (DIN EN ISO 4762)B 1B 2JMHub material elastomer side

Disengaging travelkey-

way acc.to DIN 6885-1 optionally

Backlash-free Safety Coupling Type DXK/ADS

with balls


®


12

E

Installation

Clean and degrease both shaft surface andcoupling hub bores. Re-check shaft diametersand coupling bores for proper tolerances.As a standard, the boreholes are equippedwith a fitting in accordance with ISO-H7.For the shafts, we recommend an transition,e.g. H7/g6. When selecting other shaft fitting,the fitting should not exceed a maximum of0.01 - 0.05 mm.Slide a coupling hub onto each shaft andproceed to torque the screws of one clampring or shrink disc after checking axial dimen-sions. Refer to the technical data to assurecorrect screw tightening torque.Firmly press elastomer spider into one of thetwo hubs. Because of the interference fit,the force necessary to install the spider maybe quite high, therefore a PU tolerant greasesuch as Vaseline may be applied to easeassembly. The edges of the spider and thejaws of the coupling hubs are both chamferedto ease assembly.Raised contact points visible on the front andback side of the elastomer spider help main-tain proper spacing between the two hubsassuring electrical isolation and full angularmisalignment capabilities.Carefully push the coupling hubs togetherwhile maintaining the necessary spacing,tighten the screws of the remaining clampring or shrink disc to the recommended tor-que. The function of the gap is to prevent thecoupling hubs from restraining the axial mo-vement of the spider. This ensures optimumlife of the coupling and spider.


Backlash-free Servo-insert Coupling Assembly Instructions


coupling hub

elastomerspider

hub

hub

raisedcontact points

spider

Backlash free after finalassembly preloaded

hub

hub

spider

While mounting

elastic deformation

hub

hub

spider

®


13

20 30 40 60 80 100

75%

50%

25%

0%

20

0

40

60

80

100

80929880929864809298648092986480929864929864929864929864929864929864

AAAAAADAAADAAADAAADAADAADAADAADAAD

5

7

9

14

19

24

28

38

42

48

+0,4-0,2

+0,6-0,3

+0,8-0,4

+1,0-0,5

+1,2-0,5

+1,4-0,5

+1,5-0,7

+1,8-0,7

+2,0-1,0

+2,1-1,0

0,120,060,040,150,100,060,040,190,130,080,050,210,150,090,060,150,100,060,040,140,100,070,150,110,080,170,120,090,190,140,100,230,160,11

1,1°1,0°0,9°1,1°1,0°0,9°0,8°1,1°1,0°0,9°0,8°1,1°1,0°0,9°0,8°1,1°1,0°0,9°0,8°1,0°0,9°0,8°1,0°0,9°0,8°1,0°0,9°0,8°1,0°0,9°0,8°1,0°0,9°0,8°

Types ofmisalignment

axial radial angular

AlignmentThe picture above shows the (3)types of misalignment. Themounted coupling needs to bealigned. The more accurate theinitial alignment, the better thecoupling can absorb additionalmisalignment during operation,thereby assuring optimum lifeti-me and quiet running conditions.If all (3) types of misalignmentoccur simultaneously, each typemust not reach the maximumallowable value.The combined impact of the ac-tual misalignment types, expres-sed as a percentage of the ma-ximum allowable value,

must not exceed 100%. The dia-gram below shows the combi-ned misalignment.

RemovalRemove the locking screws, e.g.on the motor. Pull the drive unit,including the jaw coupling apart.Inspect the spider for wear and if necessary, insert a new spideror one with a different shorehardness.After loosening the keylessclamp ring or shrink disc, thehubs can be removed.

Please contact us for detailedinstallation and removal

instructions.

ÆKa axialmisalignment (%)

ÆK

r ra

dial

mis

alig

nmen

t (%

)

Compensation ofmisalignment Excessive misalignment will cause accelerated wear and premature failure.

MisalignmentsTyp elast.

Spider mmaxialÆKa1)

mmradialÆKr

scaleangular

ÆKw

Misalignment typeShore-scale

1) The Ka values need to be added to the dimension L of the coupling selected


Backlash-free Servo-insert Coupling Assembly Instructions

ÆKw angular misalignment (%)


®


14

80929880929864809298648092986480929864929864929864929864929864929864

AAAAAADAAADAAADAAADAADAADAADAADAAD

5

7

9

14

19

24

28

38

42

48

38000

27000

19000

13000

10000

7000

6000

5000

4000

3600

47500

34000

24000

16000

12000

8500

25400

19000

13800

11700

9550

8050

7200

31800

23800

17300

14700

11900

10000

9100

11450

8950

7000

6000

5000

4000

0,30,50,90,71,22,02,41,83564

7,512,5165

10172135607595

160200190325405265450560310525655

0,61,01,71,42,44,04,83,66

10128

1525321020344270

120150190320400380650810530900

1120620

10501310

3,25,28,38,6

14,323341731517460

115172234340570860

124014302060298022903440435045807160

105406300

19200275807850

2237036200

101625264369

1035295

155224180344513702

10301720258037204296618989346876

1031413050137522148631620243055707170258059308274

82154296114219421630125262518769153336654856582

112020102930148025603696178032004348235044006474243055707270258059308274

80 SH A

92 SH A

98 SH A

64 SH D-H

64 SH D }

Backlash-free Servo-insert Coupling Technical Description

1) Dynamic torsional stiffness at 0.5 x TkNDynamic balancing is required for speeds exceeding V=30m/s

The couplings can be finetuned to the specificapplication requirements interms of torsional stiffnessand vibration behavior byselecting from various co-lor coded elastomeric spi-ders having different gra-des of shore hardness.

Technical termsfor the couplingdesignPre-Compression: The curvedjaw couplings are designed tohave an interference fit betweenthe coupling hubs and elasto-mer element for true backlashfree operation. Therefore, theflexible spider needs to be pre-compressed for proper seatingduring the assembly procedure.The amount of pre-compressionvaries widely depending on theshore harness of the spider, thesize of the coupling and the ma-chining tolerances. A light forceis necessary to pre-compressthe torsionally soft spiders whilea large force is required to pre-compress a torsionally stiff spi-der.

TkN – Nominal Torque of cou-pling (Nm): Continuous torquewhich can be transmitted throughout the entire speed range, taking into considerationoperational factors such as am-bient temperature and torsionalstiffness.

Tkmax – Maximum Torque ofcoupling (Nm): Torque to betransmitted 1 x 10^5 times asa peak load or 0.5 x 10^4 timesas an alternating load during theentire life of the coupling takinginto consideration factors suchas temperature, torsional stiff-ness and shock loading.

Type Servoinsert DK/GS

ADSADS/R EK/GS

Max. speed (min-1) for typeShore-scale

ASS/A ASS/A-PDMK/ADSDXK/ADS TkN

Torque (Nm)

Tkmax

Statictorsionalstiffness

Dynamictorsionalstiffness

Axialstiffness

(Nm/rad) (Nm/rad)1) (Nm/mm)

continuoustemperature

Spiderdurometer

(shorehardness)

Availablefor type

Typical applicationsColourcode

Material Allowable temperaturerange°C

max. temp.short term

polyurethane

polyurethane

polyurethane

hytrel

polyurethane

-50 till +80

-40 till +90

-30 till +90

-50 till +120

-20 till +110

-60 till +120

-50 till +120

-40 till +120

-60 till +150

-30 till +120

5-19

5-48

5-48

7-38

42-48

Drives in electronic measuring systems; backlash free when pre-compressed

Central spindle drives; backlash free when pre-compressed

Positioning drives; backlash free when pre-compressed

Machine tool spindles, control drives, feed units, planetary gearboxes;

Heavy loads, torsionally stiff, high ambient temperature, water proof

blue

yellow

red

green

green

Yo u C a n R e l y O n U s [email protected] • www.gerwah.com • Phone 0049-6022-22040 F a x 0 0 4 9 - 6 0 2 2 - 2 20 4 1 1 • D - 6 3 8 6 8 G r o s s w a l l s t a d t

®


15Yo u C a n R e l y O n U s !

Sales Representative


company

street

ZIP/town

phone

name

dpt.

eMail

fax

Please ask for personalizedtechnical assistance!

C h e c k l i s t f o r Yo u r C o u p l i n g s I n q u i r yF o r y o u r c o n v e n i e n c e j u s t c o p y , f i l l o u t a n d f a x b a c k t o u s !

1. Application: How is the coupling supposed to be used? (machine, machine group or system)

2. Type of connection clamp ring hub shrink disc hub locking assembly hub hub with set screw

flange connection outer cone Fanuc spec. customer drawing

3. Dimensions Length mm bore size D1 mm keyway yes no

Diameter mm bore size D2 mm keyway yes no

4. Misalignment of shafts axial mm radial mm angular °

5. Drive 5.1 Drive output PAN = kW

5.2 Drive speed n = 1/min

5.3 Nominal torque of drive Mtnenn = Nm

5.4 Peak torque of drive Mtmax = Nm

5.5 Shaft diameter drive side = mm

driven side = mm

6. Mass moment of inertia 6.1 drive side JA = Nm

6.2 driven side JL = Nm

7. Special influences 7.1 Ambient temperature surrounding the coupling? T = °C

7.2 Are there any shock loads? light medium heavy

7.3 Special materials (e.g. stainless steel)

7.4 Special circumstances

8. Planned quantities production prototype repair yearly quantity

9. Target price E/piece

®



GERWAH GmbHPhone (49)06022/2204-0Fax (49)06022/2204-11eMail [email protected] Strasse 5aD-63868 GrosswallstadtGermanyDIN EN ISO 9001PETER® is a registered trade mark of GERWAH GmbH

Log on to

www.gerwah.comfor:

• Complete catalogue info

• 3D-CAD product drawings

• Calculation software

• Product and corporate news

• And much more

Your GERWAH ® Par tner

69

5/0

1/1

0.0

5/S

BL

/4c

®


GERWAH Backlash-free Servo-insert Couplings€¦ · Backlash-free Servo-insert Couplings Product...

Documents

Transcript of GERWAH Backlash-free Servo-insert Couplings€¦ · Backlash-free Servo-insert Couplings Product...