Linear Bushings

Ball Transfers

Couplings

Linear Clampers

Spherical Rolling Joints

Linear BushingsLinear Bushings

Ball TransfersBall Transfers

Couplings

Linear ClampersLinear ClampersLinear ClampersLinear Clampers

Spherical Rolling JointsSpherical Rolling JointsSpherical Rolling JointsSpherical Rolling JointsSpherical Rolling Joints

Printed in Japan © 2014.05（SIG） CAT-2915E

NIPPON THOMPSON CO., LTD. CAT-2915E

Type of Alliance Partner ProductsType of Alliance Partner Products

Alliance Partner Products are expressly selected by from the industrial marketplace in Japan because of their originality, unique features, advanced technology and high standards.

will strive to introduce such outstanding products from Japan along with linear and bearing products to the worldwide marketplace through our global sales network.　

Alliance Partner Products

Ball Transfers1 Couplings2

Linear Bushings3Linear Clampers4

Spherical Rolling Joints5Type of Alliance Partner ProductsType of Alliance Partner Products

1

What is a Ball Transfers?Ball transfer units consist of a large load-ball that sits upon small balls encapsulated in

a hemispherical cup. Ball transfers fall into two categories, Ball-up type and Ball-down type, like a caster. Also, in some applications, they are used to support from the side as a guide. Their design creates a multi-directional, material-handling system that enables heavy loads to be moved smoothly along with minimal effort and friction.

They are designed to assist in transferring, directing, or facilitating loading of products in workplaces such as warehouses, production lines, port cargo handling facilities, semi-conductor production systems, FPD production systems, PV, solar glass handling produc-tion lines, medical equipment, research laboratories, under-�oor facilities of buildings and of�ces manufacturing or freight transfer. Similar to a roller systems, the balls are installed within the table or work surface and the product rolls over the balls and allows for turning, lifting, directing or transferring from one conveyor line to another.

People with lifting or carrying restrictions resulting from back, neck, shoulder, heart, and various repetitive strain injuries may bene�t from the use of ball transfers technology if there is a need for lifting or handling products on a repetitive basis within the workplace.

Ball Transfers11-1.　Heavy-Load Ball Transfers

What is an Air Ball Lifter?Pneumatic Air Ball Lifters have a unique construction – a combination of a high preci-

sion-machined ball transfer with an air cylinder. This unique device uses compressed air to lift a load/tool from the table surface position and rotate it in any 360 degree direction in a horizontal plane; an economical labor saving unit. Roll on-Roll off facility dramatically reduces changeover times.

1-2.　Air Ball Lifter

IS type (Upward) IK type (Downward)

Application Examples Application Examples

32

Clean room Ball Transfers are used extensively in FPD (Flat Panel Display), PV (Photo-voltaic) production lines all over the world due to its innovative technology for alignment and positioning of glass substrates.

Ball Transfers have been evolving continuously with a new added-value to satisfy panel makers to improve products yield potential. After it was successfully proven in LCD post-processing, the application expanded to a variety of new applications. Especially in recent years, the demand for pre-processing has increased. At present, we have cleared the fundamental demand for clean room applications and, to meet our customer speci�c requirements, we developed a low-cost molded type with superior performance, in addi-tion to machine cut Ball Transfers.

Ball Transfers1

1-3.　Cleanroom Type Ball TransfersThese unique, original, compact and

durable Special Wheels are used be-neath car turn tables as a guide, as well as under extreme loads and environ-ments.

Head options: material, painting, quenching and redesigning available upon request.

1-4.　SW Type Special Wheel

Application Examples

54

Application Examples

Indexing table load capacity 3 ton.

Production line in between conveyors.

Quick turns with easy mounting.

Recent high Using the latest FEM analysis techniques, the construction of the anti-vibration rubber is designed to yield high torsional stiffness and torque.

High-Gain Rubber Type Coupling2

1 Reduction of Stabilization TimeIncreased motor gain results in a reduction in stabilization time. → Productivity can be improved

2 Suppressing Speed UnevennessSuppressing speed and torque unevenness without occurs by misalignment.

3 Suppression of VibrationDamping ratio of XG2 series is high, enabling rapid absorption of vibration.

4 Lower SoundAble to reduce actuator drive sound.

5 High Torque Usage under the condition of higher torque than disc type and Slit type is allowed.

■ Bode plot

■ Gain and stabilization time

■ Measurement of stabilization time, positioning accuracy and overshoot

－540－360－180

180360

0

－60－40－20

2040

0

0.1 1 10 100 1000 4.5kHz

Gai

n (d

B)

Pha

se (d

eg)

－540－360－180

180360

0

－60－40－20

2040

0

0.1 1 10 100 1000 4.5kHzG

ain

(dB

)P

hase

(deg

)

0 0.2 0.4 0.6 0.8 1.0

Acc

eler

atio

n (m

/s2)

15

10

5

0

-5

-10

-15

High-gain rubber type Disc type

Time (s) Time (s)

0 0.2 0.4 0.6 0.8 1.0

Acc

eler

atio

n (m

/s2)

15

10

5

0

-5

-10

-15

0 50 100 150 200 250 300 350 400 450 500

Mo

tor

Rev

olu

tion

(min

-1)

Time (ms) t1t2

3500

3000

2500

2000

1500

1000

500

0

CommandHigh gainLow gain

＊Values (1-32) are after adjustment of all gains including Position Control Gain and Speed Control Gain

Stabilization time (ms)

Overshoot (μm)

Stabilization time (ms)

Overshoot (μm)

Stabilization time (ms)Occurrence of hunting Occurrence of hunting

Occurrence of hunting

Overshoot (μm)

XG2 series XG series Disc type

Gain＊

2512

0.4

0.6

1.7

8

12

0.9

12

0.6

1

8

3

27

32

0 100 200 300 400 500 600 700 800 900 1000

Sp

eed

(min

-1)

1500

1000

500

0

-500

-1000

High-gain rubber type

Equivalent continuous A-weigted sound pressure level(LAeq) Comparison of rated torque

Disc type

High-gain rubber type XGT2XHWMSX

Disc typeSlit type

High-gain rubber type

Disc type

Time (ms)

0 100 200 300 400 500 600 700 800 900 1000

Sp

eed

(min

-1)

1500

1000

500

0

-500

-1000

Time (ms)

120ms 173ms

Rat

ed t

orq

ue (N

-m)

0 0 15 19 25 30 34 39100 200 300 400 500 600

dB

80

75

70

65

60

55

50

16

14

12

10

8

6

4

2

0

Speed (mm/s) Outside Diameter (mm)

t1: Stabilization time at high gaint2: Stabilization time at low gain

Mo

tor

Rev

olu

tion

Command Timeto Reach Stop Position

Time to Reach Actual Stop Position

StabilizationTime

No hunting Occurrence of hunting

High Grain Rubber Type XG2 Disc Type

CommandActual Operation

76

Disc type

Linear clamps are used for static holding applica-tions. Contact surfaces are adapted perfectly to each Linear Guide manufacturer’s pro�le.

Provide high precision and rigidity with zero clearance rolling guideways.

Although the integration of spherical rolling joints provide 2 or 3 degrees of freedom, a requirement for use in parallel mechanism, the result is complex and bulky.

Sliding spherical rolling joints having mul-tiple degrees of freedom are also available but have negative characteristics that include frictional resistance and internal clearance problems.

Linear Bushings3

Linear clamps are used for static holding applica-

Linear Clampers4

Provide high precision and rigidity with

Spherical Rolling Joints

98

5

SRJ004C

SRJ006C

SRJ008C

SRJ012C

SRJ016C

SRJ024C

SRJ032C

SRJ048C

19

25

30

42

56

74

100

136

19

25

30

42

56

74

100

136

A B

3.8

5.5

7

11

12

17

22

38

C

2.5

3.8

4

6

7

11

16

22

D

10

11.5

16

20

32

42

60

78

E

6

8

12

15

18

23

30

38

F

3.6

4.5

5.5

11

12.6

15

16.6

30

H

2

3

3.4

4.3

5.5

6.6

9

11

K

6

10

11

14

25

35

48

60

M

1.5

2

2

2

5

7

10

10

N

128

320

490

720

1170

2840

5800

10600

C(N)

100

280

540

770

1300

3920

8820

16000

Co(N)

1.5

2.3

2

3.6

4.6

5.5

8.6

10.8

Counterbore(mm)

Width across�at (mm)

4

5

7

14

14

17

22

30

0.015

0.036

0.06

0.18

0.37

0.93

2.3

6.73

Weight(kg)

±15

±30

±30

±30

±30

±30

±30

±30

Permissible tiltingAngle (°)

M3

M4×0.5

M5×0.5

M10

M12

M14

M16

M28×2

G

F ED

C N

φA

φB

φM

Thrash Load

Pull Load

Push Load

Model No.

G

φH

A～F Unit ： mmH～N Unit ： mm

φH

Model

JFK12

JFK16

JFK20

Photo

Power

Linear WayRail size

4

5

12

16

20

21

28

32

30

37

42

42

48

54

32

37

42

13

18

21

12

16

20

21

28

32

57

70

80

42

48

54

32

37

42

13

18

21

32

38

43

32

38

43

5

5

312

16

5

6

4.5

5.5

312

16

5

6

4.5

5.5

dr D L D1 K B R T E C PCD d1

■ Standard length type

■ Linear Guide Rail CLAMPS are designed and used for STATIC holding applications

Number of Ball raceway

Model

JFK12L

JFK16L

JFK20L

4

5

dr D L D1 K B R T E C PCD d1

■ Long length type

Number of Ball raceway

High grade engineering plastic is used in the construction of the �ange to achieve strength whilst offering a more cost effec-tive option than steel type Linear Bushings.

Since the internal structure is comparable to that of a conventional linear bushing minimal design changes are needed to incorporate this product.

1. Highly PreciseSince the center glove is assembled under pre-load conditions, a smooth rocking motion with extremely low frictional resistance, zero clearance, and high performance is achieved.

2. Compact Multi-Degrees of FreedomThe single unit provides a greater rigidity and greater compactness than joints made from integrating rolling joints having 3 degrees of freedom.

3. Highly Suited for Parallel MechanismsOptimal for parallel mechanisms requiring high precision, high rigidity, and compactness.

4. Super-Precise Spherical Surface ProcessingUnique processing technology provides super-precise spherical surfaces.

the �ange to achieve strength whilst offering a more cost effec-

Body: Aluminum

Bolt: Stainless Steel

Spring: Stainless Steel

Contact Section Jaw: GFR Nylon 6

Spacer: Stainless Steel

Contact Section Pad: Stainless Steel

Lever: Zinc Die Cast

Contact Section: SteelBody: Steel

Wedge Slide Gear

Adjust Screw: Steel

Silencer: Brass

Piston

Manual clamp350～800N

#15～#35 #5～#25 #15～#65 #15～#65 φ12mm～φ60mm

Manual clamp45～300N

Pneumatic (Air)250～3300N

Pneumatic (Oil)1600～22700N

Pneumatic (Air)round shaft clamping300～2000N

Features

B□K

P.C.DC

L

T

dr D

E

d1

RD1

B□K

P.C.DC

L

T

dr D

E

d1

RD1

Inscr

ibed

circle

diam

eter

Inscr

ibed

circle

diam

eter