NovaMill loosing Z offset

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boots
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NovaMill loosing Z offset

Post by boots » Fri 07 Mar , 2008 17:44 pm

Novamill (DenStep Card) June 2000
VR Milling v5.20

Upgraded to VR Milling v5.20, now the machine will randomly plunge the Z axis. Machine homes and jogs normally.

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boots
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Post by boots » Fri 07 Mar , 2008 17:49 pm

Older stepper motors prefer a slower feed rate.

The Z axis was stalling on the upstoke and loosing position, driving the Z deeper into the billet.

Reset the FEED rates in Machine Parameters to:
Max Rate X = 500
Max Rate Y = 500
Max Rate Z = 300
Max Contour Feed = 300
Jog Rapid Feed = 300

Machine is back to normal

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