What You're Seeing
The Laser Tracker is observed shaking or vibrating when the line of sight is lost, and a re-lock is being attempted. This behavior is most commonly reported at close range — typically within 25 feet of the FieldPrinter.
Why This Happens
When the line of sight between the tracker and the FieldPrinter is interrupted, the tracker motor activates to search for and re-acquire the lock. At very close distances, the tracker may clip the edge of the reflector as it searches, causing it to rapidly lose and regain the lock, which can appear as shaking or vibrating.
A tripod that is set too high can also introduce vibration, as greater height reduces stability.
How to Fix It
1. Lower the tripod. The tripod height should be reduced and confirmed to be firmly in place. A lower, more stable setup reduces the likelihood of vibration during re-lock attempts.
2. Unlock and re-lock the tracker. After the tripod has been adjusted, the tracker should be unlocked and re-locked to ensure it is firmly seated and tracking correctly.
3. Inspect the reflector. The reflector should be checked for any dirt, debris, or damage. If the reflector appears dirty or scratched, it should be cleaned or replaced before printing continues.
4. Avoid operating at very close range if shaking persists. If the behavior is only occurring within arm's reach of the tracker, printing can continue at normal operating distances while the issue is monitored.
What to Avoid
- Setting the tripod at an unnecessarily high position
- Continuing to operate if shaking is occurring at normal working distances, not just at close range
- Ignoring the issue if it becomes more frequent, escalation may be needed if it cannot be resolved in the field