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  2. Flexible standard component system
  3. 03000
  4. Centring clamps, mandrel collets, machinable collets
  5. Centring clamps with ball or hexagonal segments, operated from below
  6. Centring clamps with ball segments, operated from below, Form A
    7. 03158-0101503
Designation
Centring clamp
Version 1
with ball
Form
A
Main material
steel
Surface finish body
hardened and black oxid finish
Component material
steel
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
M6
D2
12
D3
2
D4
M3
H
17,3
H1
14,5
H2
9,8
H3
8,6
H4
2,3
L
5,5
L1
14,1
L2
12
M
2,5
No. of balls
3
SW
5,5
Steel code
1.2842
Tightening torque max. Nm
2
UNSPSC Code
31162800
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Descriere

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 balls for holes where light marking is acceptable.
Technical Data
Repetitive accuracy ±0.025
Concentric accuracy ±0.05
Application
For centre positioning and clamping in blind holes. Operated from below, manual or automatic using pneumatics or hydraulics.
Advantages
- Precise self-centring.
- Distortion free clamping.
- Large spread range.
- Low overall height.
- Positive down force.
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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