Fault Finding - Renishaw SP25M Bedienungsanleitung

SP25M user's guide
http://www.renishaw.com

Fault finding

RTP20
CAUTION: RTP20 is designed for automated operation under direct control of the CMM software. To avoid possible collision during
use, RTP20 must not be unlocked, re-orientated or locked by hand during normal operation.
Poor measuring performance
Possible causes
Loose mounting
Problem with TP20 probe
module
Problem with swivelling /
indexing unit
No probe signal and / or no probe status LED
Possible causes
Cable faulty / not connected
Probe interface faulty / not connected
Poor repeatability (RTP20 only)
Possible causes
Axes lock procedure incorrect
Axes unlock procedure incorrect
Forces imparted onto head during lock-up
Attempted lockup in incorrect unqualified
position
Axes 'rattling' during indexing (RTP20 only)
Possible causes
Incorrect unlock procedure
Incorrect indexing procedure
NOTE: The RTP20 is not user serviceable and should be returned to Renishaw if suspected faulty.
Issued 10 2015
Remedy
Ensure shank mounting screws are tight and mounting to CMM is secure.
Diagnosis of the probe unit should be carried out with axes correctly locked an without head adjustment
between probe points.
Diagnosis of the indexing unit should only be carried out following satisfactory probe performance.
Remedy
Check continuity of cabling from head to interface / machine control.
Ensure correct connection of interface / machine control.
Remedy
Using automated cycle ensure lock lever is fully rotated to lock position.
Using automated cycle ensure lock lever is fully rotated into unlock position during
indexing.
Using automated cycle unlock and re-lock.
Using automated cycle unlock, reposition correctly and re-lock.
Remedy
Using automated cycle ensure lock lever is fully rotated to unlock position.
Using automated cycle index each axis separately.
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