Hypertherm ArcGlide Torch Height Control, Instruction Manual

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4-18 ArcGlide THC Instruction Manual
MAINteNANCe
2
Problem Solution
Arc extinguishes immediately after transfer
or creates an excessively large pierce hole.
1. Check Pierce Delay; the delay is set too long so that the torch dwells
in the piercing position too long before machine motion.
2. Check that Machine Motion Out is active after Pierce Delay ends.
The laser pointer is not illuminated The station is not enabled.
Torch moves before workpiece is pierced
all the way through.
1. Check the value for Pierce Delay, the delay is set too short.
Torch dives below cutting height
immediately after pierce delay and before
AVC begins.
1. Increase Set Cut Height on Automatic Operating Screen and
decrease Pierce Height Factor.
2. Increase Machine Accel Delay.
Torch dives toward workpiece immediately
after AVC begins.
1. Increase Set Arc Volts.
2. Increase Machine Accel Delay.
3. Decrease Set Cut Height.
4. Check consumables.
Torch retracts from workpiece immediately
after AVC begins.
1. Decrease Set Arc Volts.
2. Increase Set Cut Height.
3. Check plasma interface arc voltage wiring.
4. Check consumables.
Retract begins before arc has extinguished. Increase Retract Delay.
Failure to retract 1. Decrease the THC Homing Speed.
2. Check for obstructions in the torch path and torch lead set.