Special Use Clamps
Small Bore Centering Clamp - 3 Point Contact
Double Acting
Bore clamp with 3 points for concentric positioning of the ID of a bore, internal clamping expands radially to center the bore. The clamping points retract for easy loading. Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel. Positional repeatability of +/- 0.02. Compact design keeps the cylinder out of the way and below the part. May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down access to porting when mounting. Fits bore sizes from 25 mm to 55 mm.
Model No. Weight ( g ) Double Acting (D/A) Cylinders actuated hydraulically both directions. 41-5821-01 Clamp Force at 350 Bar ( kN ) Clamping Points Clamping Range Ø ( mm ) Repeatability ± ( mm )
25 - 29 28 - 32 32 - 36 36 - 40 39 - 43 42 - 46 45 - 49 48 - 52 51 - 55
441 449 460 575 591 607 624 641 660
41-5821-11 41-5821-21 41-5821-31 41-5821-41 41-5821-51 41-5821-61 41-5821-71 41-5821-81
14
3
0.02
E-2
4X F
B
B
Clamp Port
Unclamp Port
B B
R
ØC -.4
S Stroke
ØA
Clamping Range Ø
3X ØT
J
N
Q
3X K
M
P
ILMV415823 REV A
G
ØD ØE
H
ILMV415824 REV A
ØL
Pressure (bar)
Model No. A B C D E
F
GH JKLMNPQRST
41-5821-01 41-5821-11 41-5821-21 41-5821-31 41-5821-41 41-5821-51 41-5821-61 41-5821-71 41-5821-81
24.5 27.5 31.5 35.5 38.5 41.5 44.5 47.5 50.5
24
66.5
62.5
15.994 15.983
11.3
40 M6-1.0 x 12 8 6
45 45 27
2.6 4 16.8 3 12
35
65
57
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