feeling dense trying to turn the pawn

Bhouin · Post by **Bhouin** » Wed Jul 05, 2023 4:06 pm

I have an issue that I have been working on for about a week now and I can't seem to determine the resolution.

The Z axis is fine. However, the X is where my issue is at on this lathe. I measured the movement of the X and when I give an MDI command to move 1" I get a 1" movement on the dial indicator. However, when I run the pawn, it seems to take all movements as radius numbers vs. diameter numbers as the cut is twice as wide as it should be in X. I am showing DRO's in diameter. My X is set with 4000 steps/rev.

Thanks in advance,
Bob

Upnorth · Post by **Upnorth** » Wed Jul 05, 2023 4:33 pm

You have a setting wrong. I can't remember what it is called exactly because I set it long ago. You want to be in diameter mode not absolute or something like that. When you command a move on X it should be half of what was commanded because you are removing material from both sides of the work piece.

Bhouin · Post by **Bhouin** » Wed Jul 05, 2023 6:10 pm

I have PID 55 set to 0 for diameter mode. I am not sure where else to look

tblough · Post by **tblough** » Wed Jul 05, 2023 7:45 pm

Then you have your steps per rev setting wrong. When you command a 1" move in X, the axis should only move 1/2" on the indicator.

Bhouin · Post by **Bhouin** » Wed Jul 05, 2023 8:05 pm

Thanks. Makes sense now hence the dense comment. I appreciate the help

Bhouin · Post by **Bhouin** » Wed Jul 05, 2023 9:09 pm

That solved my issue. Thanks again

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feeling dense trying to turn the pawn

feeling dense trying to turn the pawn

Re: feeling dense trying to turn the pawn

Re: feeling dense trying to turn the pawn

Re: feeling dense trying to turn the pawn

Re: feeling dense trying to turn the pawn

Re: feeling dense trying to turn the pawn