Calibration

System calibration

The REVO-2 datum sphere is used to calibrate the REVO-2 head as well as RSP2 and RSP3-# probe configurations.

The SFP1 is calibrated using the SFA that is fixed to the MRS rail.

For the minimum required CMM volume please refer to the table and diagram below:

Probe type

A (in mm)

RSP2 with RSH175

435*

RSP2 with RSH250

585*

RSP2 with RSH350

785*

RSP2 with RSH450

985*

RSP2 with RSH500

1085*

* For a Ø6 mm × 10 mm stylus and the 45 mm datum sphere.

Dimensions in mm

CMM volume necessary for the REVO system calibration

Fitting the REVO datum sphere

Kit contents

REVO datum ball assembly

NOTE: The calibration diameter of the sphere is engraved on the stem. Please ensure the exact value is used when commissioning the system.

The REVO datum sphere kit consists of the following:

Part description

Technical specification 

Renishaw part no. 

Datum ball

Ø45 mm 

A-3060-4454  

Fixing studs (adaptor studs)

M6 × 1

M-1034-0016

Fixing studs (adaptor studs)

M8 × 1.25

M-1034-0015

Fixing studs (adaptor studs)

M10 × 1.5

M-1034-0014

Fixing studs (adaptor studs)

5/16 in UNC (double groove)*

M-1034-0018

Fixing studs (adaptor studs)

3/8 in UNC (single groove)*

M-1034-0017

Base

Ø60 mm

M-1034-0013

C spanner

n/a

A-1047-3932

Tommy bar (×2)

n/a

M-3060-4451

* NOTE: Grooves on the fixing stud are to differentiate between metric and imperial measures. They are not a functional feature.

Fitting the REVO datum sphere

Please observe the correct order of assembly for the REVO datum sphere by following steps 1, 2 and 3 as shown below.

The installation sequence for the REVO datum sphere

DO NOT tighten or untighten by holding the sphere.