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Probing & Accessories

Datum Spheres

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Datum ball, pillar and base.

From : Renishaw

A range of spheres for the probe qualification purpose, set on a stem that can be adjusted for a wide range of qualification angles. The spheres are of hard wearing tungsten carbide and are available in 5 different sizes. Each datum sphere is supplied with its own certificate, giving ball diameter and roundness. All sphere measurements are performed on equipment traceable to UK (NPL) standards. Sphericity of the spheres are to within 1µm and diametric tolerance ±1µm.

Each sphere kit comprises:

One datum sphere
Pivot pillar, base, 'C' spanner
Ball certificate and storage box
Adaptor for twin ball applications

Datum Sphere Kit includes:

1 datum ball (selected by size)
Pivot pillar
Base
C' spanner
Fixing stud (choose one from the list which follows)
Ball certificate
Storage box

Description	Part number
12mm ball	A-1034-0028
19mm ball	A-1034-0027
25mm ball	A-1034-0026
3/4 in ball	A-1034-0031
1 inch ball	A-1034-0035
2 inch ball	A-1034-0086

Datum Sphere Fixing Studs
A fixing stud is required with each kit to attach the pillar to the table surface. Select one from the list below. Fixing studs are included in each kit, but a part number must be specified when placing an order.
Description	Manufacturer	Part number
M6 x 1		M-1034-0016
M8 x 1.25	MTI	M-1034-0015
M10 x 1.5	B&S, LK Tool & Sheffield	M-1034-0014
5/16 in UNC		M-1034-0018
3/8 in UNC	Carl Zeiss, Fanamation, LK Tool & L.S. Starrett	M-1034-0017
Datum Sphere Accessories
Description		Part number
12mm datum ball		A-1034-0005
19mm datum ball		A-1034-0023
25mm datum ball		A-1034-0002
3/4 inch datum ball		A-1034-0032
1 inch datum ball		A-1034-0036
2 way adaptor		M-1034-0042
3 way adaptor *	* Special order	M-1034-0052
Pillar extension 75mm (2.96in) long		M-1034-0019