AUTOMATIC OPERATION
Table 3 - Unloading a probe arm
Position relative to pin
datum X
, Y
, Z
D
D
D
X axis
Y axis
+53.5
-135.5
-114
-20
+53.5
+14.5
+50
+14.5
+50
+14.5
+74
+14.5
-20
-114
+74
-135.5
34
4.2.1 Unloading a probe arm
Recall the pin datum X
procedure in section 4.1
The PHS should have a probe arm fitted
Ensure the PHS is oriented into the correct position to enter the port (D
0°, E -90°)
Point
Z axis
-31.5
F
-31.5
E
-31.5
D
+68.5
C
+68.5
B
+68.5
A
, Y
, Z
set in step 8 of the port datum
D
D
D
Description
Stand off position
Head is in front of port and has probe arm fitted.
Head is oriented to D 0°, E -90°
Transit stage
PHS contacts the ACR2 port lid
This may cause a probe trigger, so the probing system
should be disabled before reaching this point
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 24V servo power from the head.
Do not remove logic power from the head as this will
cause head position loss.
PHS fully located in ACR2 port
ACR2 ready to activate unlock mechanism
Probe arm unlocked from PHS head
Move PHS head clear of probe arm
Transit stage
Servo control of the head should be re-enabled.
Note that the position of the head may have changed
under gravity and that the head should be held in its
current position before returning to the previous
orientation.
Transit stage
PHS clears the ACR2 port lid
Stand off position
Head is in front of port with no probe arm fitted.
Manual No. H-1000-4045