23Stylus spring pressure adjustment – gauging force
LP2 and LP2DD are adjustable
LP2H and LP2HDD are not adjustable
Stylus trigger force is determined by the internal
spring pressure set by Renishaw. The user
should only adjust the spring pressure in special
circumstances; for example, when excessive
machine vibration causes faulty readings or
there is insufcient pressure to support the stylus
weight.
Low pressure improves probe sensitivity. To lower
the pressure, turn the key anti-clockwise as far as
required: it will eventually come to a stop.
To increase the pressure, turn the key clockwise.
Take care, as the internal screw will eventually
become disengaged. In the event of this
happening, remove any pressure on the stylus
and turn the key anti-clockwise to re-engage the
thread. If this is unsuccessful, return the probe to
your supplier for repair.
CAUTION: Stylus spring pressure adjustment,
and use of styli other than a calibration stylus
type, may cause probe repeatability to differ from
the calibration certicate results.
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