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PM1340 Compound Backlash Adjustment

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bretthl

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Anyone here know if there is a way to adjust the back lash in the compound?
 

Firstgear

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I also need a few pointers, for both the compound and the cross slide. I have almost a full rotation on the cross slide. They need to be smooth as silk, but they aren’t.....must be an adjustment. I have the 1440 GS.
 

bretthl

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I also need a few pointers, for both the compound and the cross slide. I have almost a full rotation on the cross slide. They need to be smooth as silk, but they aren’t.....must be an adjustment. I have the 1440 GS.
The cross slide back lash can be adjusted on the 1340. I have not done it but it is described in the manual. Probably similar on the 1440? Gib adjustment too is described in the manual. I can't find any description of compound back lash adjustment. Might not be possible on these machines.
 

Firstgear

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have you had any luck and if so, what did you do?
 

jbolt

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I don't use the compound on my current lathe but on my old lathe I used a small gas spring to keep the compound biased in one direction. Worked well in most cases.
 

bretthl

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have you had any luck and if so, what did you do?
On the compound - I loosened the set screw and turned the flange screw with a pin wrench about 15 degrees until I could just barely feel the pre-load and then tightened the set screw. The back lash went from 0.009" to 0.003" with no change in resistance during feed. Happy with that. Prior to I could push and pull on the hand wheel and feel the end play.
 
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