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UDS universal datum sphere

The universal datum sphere enhances the use of both manual and automated CMMs

Universal datum sphere (UDS)

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)

Dimensions

Datum sphere

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)



Part number

Datum ball kits

Datum ball kit - Ø12 mm

A-1034-0028

Datum ball kit - Ø19 mm

A-1034-0027

Datum ball kit - Ø25 mm

A-1034-0026

Datum ball kit - Ø3/4 "

A-1034-0031

Datum ball kit - Ø1 "

A-1034-0035

Datum ball accessories

Datum ball fixing studs - M6 × 1

M-1034-0016

Datum ball fixing studs - M8 × 1.25

M-1034-0015

Datum ball fixing studs - M10 × 1.5

M-1034-0014

Datum ball fixing studs - 5/16 " × UNC

M-1034-0018

Datum ball fixing studs - 3/8 " × UNC

M-1034-0017

Datum balls - Ø12 mm datum ball

A-1034-0005

Datum balls - Ø19 mm datum ball

A-1034-0023

Datum balls - Ø25 mm datum ball

A-1034-0002

Datum balls - Ø3/4 " datum ball

A-1034-0032

Datum balls - Ø1 " datum ball

A-1034-0036

Datum ball 2-way adaptor

M-1034-0042

Datum ball 3-way adaptor

M-1034-0052

Datum ball pillar extension 75 mm long

M-1034-0019