During Feed-Bending it is possible to experience a Feed Axis Fault that is caused by the wrong tool radius values or an incorrect Feed Axis Adjust % value. Both are in the Tool Page.
Quick indicators that should make you suspect that this is the case:
- The Feed Axis faults especially on large angle bends
- The Feed Axis does NOT fault when moving the bender through the cycle with no material in the machine.
Diagnostic 1
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CHECK THE CENTERLINE RADIUS in the Tool Page.
Possible Problem: The Centerline Radius values do not to match the bend die radii on the bender.
If the radius value is incorrect, then the Feed motion calculated will probably be incorrect. For example, a 90 degree bend angle on a 70 mm radius will move the Feed axis about 110mm. However, if your bender actually uses a 50 mm bend die, then the correct Feed axis motion is about 79mm. The difference of 31mm could easily cause the Feed axis to show a fault condition.
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Possible Problem: The Feed Axis Adjust % Value is not set to the proper value in the Tool page.
This value compensates for elongation during Feed-Bending. It is a negative integer value that indicates how much carriage travel to remove from the motion.
Here's an example:
- 8.147" of calculated feed motion for 155.6 degrees of bend
- 7.000" of measured feed motion
That calculates to -14% elongation
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