Vektek Metric Hydraulic Clamping Catalog

Special Use Clamps

Large Bore Centering Clamp - 3 Point Contact

Double Acting

 Bore clamp with 3 points used for concentric positioning the ID of a bore, internal clamping expands radially to center the bore. Great for engine blocks!  Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel.  The clamping points retract for easy loading, then expand hydraulically to center the bore.  Positional repeatability of +/- 0.02 mm  May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down or access to porting when mounting.  Fits bore sizes from 54 mm to 130 mm.  Normally used with other clamps to secure the part. Requires the use of fixed stops and or additional clamps to resist direct rotational torque.

 Fits bore sizes from 54 mm to 130 mm.  Normally used with other clamps to secure the part. Requires the use of fixed stops and or additional clamps to resist direct rotational torque.

Clamping Range Ø

E-4

ILMV415827 REV B

Repeat- ability ± ( mm )

Centering Clamp Adapter

Clamping Range Ø ( mm )

Clamp Force at 350 Bar ( kN )

Weight ( g )

Clamping Points

Model No.

Double Acting (D/A) Cylinders actuated hydraulically both directions. 41-5821-91 11.2 54 - 62 41-5822-11 61 - 69

41-5820-00

4X F

41-5822-41 41-5822-61

68 - 76 76 - 84 83 - 91 90 - 98

1754

B

3

0.02

41-5822-91 17.5

41-5820-01

41-5823-11 41-5823-41

B

98 - 109 109 -120 119 - 130

3432 3603 3773

41-5820-02

41-5823-71 28

Clamp Port

41-5824-11

Unclamp Port

B B ØC -.4

T

V Stroke 3X ØW

3X Y

28

ØA

22.4

R

3X S Hex

K

G Thread

P

3X L

16.8

N

Q

11.2

H

ØD

J

ØE

ØM

5.6

0

70

140 210 280 350

Pressure (bar)

ILMV415828 REV A

Model No. A B C D E

F

GHJKLMNPQRS T VWY

41-5821-91 41-5822-11 41-5822-41 41-5822-61 41-5822-91 41-5823-11 41-5823-41 41-5823-71 41-5824-11

53.9 60.9 67.9 75.9 82.9 89.9 97.9

15.994 15.983

45 11.3

40 M6-1.0 x 12

8

65 45 45 N/A 57 2.6 N/A 10 16.8 4 12 22.9

M6

24.993 24.890

6

65 15.6

54 M8-1.25 x 16

9

77 56 60 41 68 3.1 0.5 11 22 5.2 14 32.5

31.991 31.975 67 M10-1.5 x 20 M8 10 91 64 74 47 80 3.6 2.5 13 27 6.9 18 42.5

85 19.1

108.9 118.9

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© Vektek December 2021

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