Machine Repair Procedure: How to Disassemble the Turret Clamp/ Unclamp Piston on a Fuji HM-30 CNC Milling Machine (Alarm 1002 Turret Clamp/ Unclamp Time Over)
This CNC service procedure was done to address a problem with the turret clamp/ unclamp on a Fuji HM-30 mill. This machine would fault out with with an alarm “1002 Turret Clamp/ Unclamp Time Over” intermittently. The unclamp stroke was noticed to be slower than normal and when the alarm occurred, the turret shaft had not moved fully to the unclamp switch…
Axis Soft Overtravel (Soft OT) Alarms: Stroke Limit Function for Fanuc Controls
A basic principle of CNC repair and troubleshooting that is suprisingly unfamiliar to alot of people is the soft overtravel limit (software overtravel). It does seem to come up alot when dealing with CNC machines. What is it and why does it generate CNC alarms? Here are a few basics:
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