Minimal Basic Field Checks for Laser Tracker Systems Decision Matrix
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Transcript of Minimal Basic Field Checks for Laser Tracker Systems Decision Matrix
Unterentfelden 2007-07-18, D.Moser -7852
Common Recommended PracticesMinimal Basic Laser Tracker Field Checks
Assumption
System has been shipped overseas (airplane)
System has been shipped within a country (truck, airplane, car,…)
System has been moved from one to the other plant (truck, car, …)
System has been moved from one to the other working area (put on measurement cart or transportation in white shipping containers “disassembled”, …)
Independent of the transportation way, we recommend a basic minimal test procedure. This recommendation is also applicable for daily work.
Unterentfelden 2007-07-18, D.Moser -7853
Common Recommended PracticesMinimal Basic Laser Tracker Field Checks
Basic System Check
Two Face Field Check2F-Measurement Setup:2 @ -40°, separated horizontally by 90°(measurements on the floor)
Check OK ?
Ball Bar Field Check
No
Check OK ?
BB-Measurement Setup:1 @ 1m (3ft)
Intermediate Compensation
Full Compensation
No Yes
IFM Field Check
Check OK ?
IFM Compensation
No
ADM Instrument Field Check
Yes
Check OK ?
ADM Instrument Compensation
System in specification
No Yes
Yes
IFM-Measurement Setup:use of IFM Distance Tool or2 reflector positions at 3m (10ft) in horizonof tracker head
ADM-Measurement Setup:1 @ 3.5m (11ft)1 @ largest working range
Unterentfelden 2007-07-18, D.Moser -7854
Common Recommended PracticesTolerances for Laser Tracker Field Checks
MetricBall Bar at < 1m, bandwidth 20 mBall Bar at < 3m, bandwidth 60 mTwo Face, bandwidth 0.0012 deg
0.0013 gonBird Bath Distance (IFM) 10 m *ADM Offset Instrument, residuals 25 m
InchesBall Bar at < 3ft, bandwidth 0.0008 inBall Bar at < 10ft, bandwidth 0.0024 inTwo Face, bandwidth 0.0012 deg
0.0013 gonBird Bath Distance (IFM) 0.0004 in *ADM Offset Instrument, residuals 0.0010 in
* Repeatability of two determinations