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 Post subject: Limiting 4th axis rotary to + or - 180 degrees?
PostPosted: Wed Nov 04, 2015 7:31 pm 
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Joined: Tue Jan 23, 2007 1:51 pm
Posts: 88
Location: Orange County, NY
Has anyone figured out a way to limiting 4th axis rotary to + or - 180 degrees in indexing post or using add-on?

I have a Bridgeport with a DX32 controller, with a troyke rotary. The unwinds (returning to 0 ) the end of the program are killing me. :x

Thanks, Russ

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FC V1.0 to Pres., 3D Mill, Turning, 5 axis pos. & simo, Machine Sim. and tumestone and Solidworks Pro., Haas UMC 750


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 Post subject: Re: Limiting 4th axis rotary to + or - 180 degrees?
PostPosted: Wed Nov 04, 2015 8:52 pm 
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Joined: Sat Mar 10, 2007 6:23 am
Posts: 270
Location: S.F. Bay Area
have you tried adding %360 at the end of the index angle commands? This will limit the numbers to +/- 360 degrees:
A[<ROT1-WIND>%360]


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 Post subject: Re: Limiting 4th axis rotary to + or - 180 degrees?
PostPosted: Wed Nov 04, 2015 9:23 pm 
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Joined: Tue Jan 23, 2007 1:51 pm
Posts: 88
Location: Orange County, NY
Yes , I have, but that's still 2 full revs.

Russ F.

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LIFE IS GOOD!!!!

FC V1.0 to Pres., 3D Mill, Turning, 5 axis pos. & simo, Machine Sim. and tumestone and Solidworks Pro., Haas UMC 750


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 Post subject: Re: Limiting 4th axis rotary to + or - 180 degrees?
PostPosted: Wed Nov 25, 2015 1:43 pm 
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Joined: Fri Aug 22, 2008 2:54 am
Posts: 55
Location: Harrisburg, PA
I know this is not what your looking for however it may help. Use the command ROT-1 Math-R will index the shortest distance (CW OR CCW)back to zero.


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