Renishaw HPGA, Инструкция по установке и эксплуатации

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31
Fault finding
Symptom Cause Action
Poor system
repeatability
Mounting screws not fully
tightened. Tighten screws to
specified torque.
Loose probe. Verify tightness of probe in
arm assembly.
Loose stylus. Ensure tip of stylus is
tight.
Ensure M4 grubscrew in
stylus stem is tight.
Ensure crash protection
device is fully tightened
into LP2 probe.
Swarf on tool tip. Remove swarf.
Calibration and updating
of offsets is not occurring. Review software.
Calibration and probing
speeds are not the same. Review software.
Probing is being
performed within the
machine’s acceleration/
deceleration zones. Review software.
Arm not mounted as
recommended i.e. on
sheet metal guards. Mount on solid base.
Probing feedrate is too
high for the machine
controller. Perform repeatability trials
at various feedrates.
Temperature variation
is causing excessive
movement of the machine
and the HPGA. Minimise machine and
HPGA temperature
changes.
Increase the frequency of
calibration.
Machine has poor
repeatability due to loose
encoders, backlash,
tight slideways and/or
accidental damage. Perform health check on
machine.