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  2. Flexible standard component system
  3. 03000
  4. Centring clamps, mandrel collets, machinable collets
  5. Centring clamps with ball or hexagon segments
  6. Centring clamp with ball segments, Form A
    7. 03158-101504
Item
Centring clamp
Form
A
Version 1
with ball
Main material
steel
Component material
steel
Surface finish body
hardened and black oxid finish
Surface finish component
hardened and ground
D=Diameter min.
14,5
D=max. diameter
18,5
A
4,5
Application
blanks
Ball Ø
4
Clamping force max. kN
3,5
Clamping type
internal clamping
D1
M4
D2
12
D3
2
D4
4,3
H
19,5
H1
14,5
H2
9,8
H3
8,6
H4
2,3
L
5,5
M
3
No. of balls
3
REACh
false
RoHS
true
SW
3
Tightening torque max. Nm
5

Description

Material
Body 1.2842.

Ball and hex segments 1.4112.

Tension spring 1.4310.
Version
Body hardened and black oxidised.
Ball and hex segments hardened and ground.
Note
Form A: with ball suitable for tensioning in holes, where slight impressions are acceptable.
Technical Data
Repetitive accuracy ±0.025
Concentric accuracy ±0.05
Application
To position and centre existing bores on the machining surface.
Advantages
- Precise self-centring.
- Distortion free clamping.
- Large spread range.
- Low overall height.
Drawing reference
Form A:
With balls for holes where light marking is acceptable.
Form B:
With hexagons for sensitive hole surfaces.

1) Mounting aid:
pin to accurately position the mandrel segments.
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