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UDS universal datum sphere
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The universal datum sphere enhances the use of both manual and automated CMMs
It allows for quick and easy adjustment to set ball stem over a wide range of probe datuming angles. Allowing for datuming above, centrally and below the ball.
The spheres are made from hard-wearing tungsten carbide and are available in five different diameters:
- 12 mm
- 19 mm
- 25 mm
- 3/4 in
- 1 in
Each sphere kit comprises:
- One datum sphere
- Pivot pillar, base, 'C' spanner
- Ball certificate and storage box
- Adaptor for twin ball applications (optional)
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Dimensions
Specification
Specifications | Hard wearing tungsten carbide sphere (ball) available in five sizes |
Metric | Ø12 mm, Ø19 mm, Ø25 mm |
Imperial | Ø3/4 in and Ø1 in |
Sphericity | To within 0.1 µm (0.000004 in) |
Diametric tolerance | ±1 µm (0.00004 in) |
