z loses position
 
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z loses position

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(@jimpar)
Beiträge: 2
Active Member
Themenstarter
 

small problem has arisen, when running a simple pocket program, three quarters of the way through Z gets lost and starts cutting about 10mm deeper than original intended path, i am going nowhere but using up timber .
any other people having this issue.
420 with less than 6 months use

 
Veröffentlicht : 10/04/2016 7:32 am
 john
(@jonalm)
Beiträge: 62
Trusted Member
 

Sounds like the z axis is losing steps. check the z axis and see if there is any play. i had a similar issue and the brass lead screw nut was worn.

 
Veröffentlicht : 10/04/2016 6:35 pm
(@rory)
Beiträge: 384
Reputable Member
 

lost steps on the z retract.

tune Z axis and lubricate it well.

turning down the rapid movement velocity can also help.

well tuned Z axis will run at 5000mm/min rapid velocity (under testing conditions)

always bring it back down lower than 3000 after testing for actual toolpath use.

 
Veröffentlicht : 14/04/2016 2:09 am
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