User's Manual

3.7
System installation
Stylus trigger force adjustment
Spring force within the probe causes the stylus to
sit in a unique position and return to this position
following each stylus deflection.
Stylus trigger force is set by Renishaw. The
user should only adjust trigger force in special
circumstances e.g. where there is excessive
machine vibration or insufficient force to support
the stylus weight.
To adjust the trigger force, turn the adjusting
screw anticlockwise (as shown) to reduce the
force (more sensitive); eventually it reaches a
stop. Turn the adjusting screw clockwise (as
shown) to increase the force (less sensitive). If
the internal screw becomes disengaged, remove
any pressure on the stylus and turn the key
anticlockwise to re-engage the thread.
Trigger forces in the XY plane vary around the
stylus and depend on trigger direction.
Stylus trigger force adjustment and use of
styli other than test stylus types may cause
probe repeatability to differ from the calibration
certificate results.
Factory setting
XY low force 0.4 N / 40 gf (1.4 ozf)
XY high force 0.8 N / 80 gf (2.8 ozf)
Z 5.3 N / 530 gf (18.7 ozf)
Maximum setting
XY low force 0.8 N / 80 gf (2.8 ozf)
XY high force 1.6 N / 160 gf (5.6 ozf)
Z 10.0 N / 1000 gf (36.3 ozf)
Minimum setting
XY low force 0.3 N / 30 gf (1.1 ozf)
XY high force 0.6 N / 60 gf (2.1 ozf)
Z 4.0 N 400 gf (14.1 ozf)
2 mm
AF
Reduce
force
Increase
force