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  #1  
Old Tue 28 April 2009, 20:50
chopper
Just call me: chopper
 
Big Lake Minnesota
United States of America
motor problems vexta pk296a2a-sg7.2

I am currently running the VEXTA PK296A2A-SG7.2
I was having an issue with a small amount of chatter in my cuts
so I switched from running the 20 tooth gears to a 30 tooth gear
thinking the bigger dia. may smooth out the cut with more gear contacting the rack but what happened was I ended up with more backlash, I wasn't surprised I thought that this might happen, but I didn't think it would be this bad, and I was wondering if anyone else has had the same issue??
the backlash on the Y axis is about 13 thousands of an inch
and on the X it is 7 thousands on one side and 20 thousands on the other
is this a normal amount of backlash?
I was wondering if I am expecting to much from the machine?
thanks
//chopper
  #2  
Old Tue 28 April 2009, 23:37
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
See:
Backlash in the gearhead of the Oriental Motor PK296A2A-SG7.2

The first post has been moved to that thread for further discussion.

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