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General Mach Discussion / Re: Mach3 m1076.m1s problem
« on: June 22, 2016, 07:30:23 AM »Hum ...
You start at X9.95, which i assume is an undersize M10.
You have a pitch of 0.75
But you specify an end diameter of 9.00. That's effectively a thread depth of 0.95 mm, for a pitch of 0.75, or an overshoot of 0.2 mm. That's rather a lot. I might go for an overshoot of 0.075, or less.
All the same, it should still work.
I will add that i have done a LOT of theading under .062 with an ESS, and I don't think I have ever had anything like that happen.
That it is RANDOM in occurance ... - um. That is a worry!
I dunno. Have you tried staying with g94 and not changing feed rate modes? I have no idea why that should affect the X movement though (unless you are hitting deep Mach3 bugs).
Cheers
Roger
Thanks for the reply again Roger,
Yes the thread is a very strange one, made to fit an original part. The actual thread is irrelevant though as it does it with any parallel thread if repeated often enough. I have used BSPP, UNC with different pitches/sizes etc etc and all do the same.
I agree it's the random attribute that is foxing me as well. Hence wanting to simply remove any reference to tapered threading in the m1076.m1s
Not actually tried just staying with the G94 mode yet - I guess that is the next move.
thanks again for the replies.
Rimmel
EDIT************ Just found "<TaperRatio>2.</TaperRatio>" in the mach3turn.xml - is that supposed to be set it that value?