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361  General CNC Chat / Show"N"Tell ( Your Machines) / Re: Conect 121 lathe retro on: September 15, 2012, 01:13:19 PM
Feels better than with the SS?

Dan
362  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 14, 2012, 02:17:52 PM
Yes. Just remove that part.

Dan
363  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 14, 2012, 10:59:38 AM
That's bad news. That macro won't work then. You have to move in absolute then. Consider the macro that Hood suggested you at the beginning.

Dan
364  General CNC Chat / Show"N"Tell ( Your Machines) / Re: Conect 121 lathe retro on: September 14, 2012, 08:29:02 AM
Hood,

And will you just make a new A type spindle nose and permanently attach it to the current spindle? Or will you make new the whole spindle with the nose?

Dan
365  General CNC Chat / Show"N"Tell ( Your Machines) / Re: Conect 121 lathe retro on: September 14, 2012, 01:23:08 AM
I too don't like the threaded spindle on my 9x20 and had the same problem with the chuck tightening up while I was tuning the servo. Took some serious effort and fair extension to the keys to unthread it. Have also been thinking of making a new spindle for it, but haven't yet decided how I want it. If you have ideas would be interesting.

Dan
366  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 14, 2012, 01:13:51 AM
It shouldn't. The moves are incremental.

If you want to reset the A axis after a tool change, just add this line to the end of the macro:

SetOEMDRO 803,0


Dan
367  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 13, 2012, 12:36:14 PM
Only reason I can think of is mechanical. Could be that the motor locks the turret so tight that when you command the next tool it loses steps trying to accelerate. Try decreasing the speed and acceleration of the A axis in motor tuning to some real low values ( I would say at least 1/10 of the current values) and see what happens.

Dan
368  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 13, 2012, 12:13:39 PM
What happens if you keep it tight and index from tool 1 to 8?

Dan
369  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 13, 2012, 12:00:16 PM
I don't quite understand. Can you please be more specific and give more details about what is happening.

Dan
370  Mach Discussion / General Mach Discussion / Re: Mach3 turn atc on: September 13, 2012, 11:04:54 AM
Movement is incremental so lost steps should have no effect. May be you Steps per Unit setting is marginal. Try increasing it a bit.

Dan
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