Unloading a probe arm

  • Recall the pin datum XD, YD, ZD set in step 8 of the port datum procedure in the 'Port datum procedure' section
  • Ensure the PHS1 has a probe arm fitted
  • Ensure the PHS1 is oriented into the correct position to enter the port (D 0°, E -90°)

Position relative to pin datum XD, YD, ZD:

X axis

Y axis

Z axis

Point

Description

+53.5

-135.5

-31.5

F

Stand off position.

Head is in front of port and has probe arm fitted. Head is orientated to D0°, E-90°.

 

-114

 

 

Transit stage.

PHS1 contacts the ACR2 port lid. This may cause a probe trigger so the probing system should be disabled before reaching this point.

 

-20

 

 

Transit stage.

Probe arm engages port location pins. Renishaw recommend that servo control of the head axes should be switched off at this point. 

NOTE: Remove only 24 V servo power from the head. Do not remove logic power as this will cause head position loss.

+53.5

+14.5

-31.5

E

PHS1 fully located in ACR2 port.

+50

+14.5

-35.5

D

ACR2 ready to activate unlock mechanism.

+50

+14.5

+68.5

C

Probe arm unlocked from PHS1 head.

+74

+14.5

+68.5

B

Move PHS1 head clear of probe arm.

 

-20

 

 

Transit stage.

Servo control of the head should be re-enabled.

NOTE: The position of the head may have changed under gravity and that the head should be help in its current position before returning to the previous orientation.

 

-114

 

 

Transit stage.

PHS1 clears the ACR2 port lid.

+74

-135.5

+68.5

A

Stand off position.

Head is in front of port with no probe arm fitted.