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06-20-2018 04:59 AM

Hello everybody,

after postprocessing I get different solid angles for the same operation posted in one program. Swiveling is calculated with Auto3D option. Post is a Heidenhain TNC based on sim07.

Example:

Operation 1: PLANE SPATIAL SPA+0.0 SPB-6. SPC+90.

Operation 2: PLANE SPATIAL SPA+0.0 SPB+6. SPC-90.

Operation 3: PLANE SPATIAL SPA+0.0 SPB-6. SPC+90.

Operation 4: PLANE SPATIAL SPA+0.0 SPB+6. SPC-90.

and so on...

How can I prevent the postprocessor from calculating different angles?

Postbuilder: 11.0.2

Thanks in advance,

Alex

Solved! Go to Solution.

6 REPLIES 6

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06-20-2018 05:09 AM

hi

probalby there is previous operation with some angle and then in the next operation is generated shortest path solution

and if you pp has limit thats contain 2 alternative solutions so you can get alternative solution affected by shortest motion.

Try to reset motion vars to zero.

You can find CMD in some OOTB posts "..reload_all_motion_variables_to_zero...."

and put this CMD in the end of operation sequence.

cheers

---------------------------------------------

#♫ PB, 5ax, itnc, nx, vericut ♫ #

#♫ PB, 5ax, itnc, nx, vericut ♫ #

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06-20-2018 05:13 AM

Thanks for the quick response.

I already reset all motion variables to zero.

I will check, if it works by limiting the 4th axis.

Cheers

Re: Different Swiveling Angles after Postprocess

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06-20-2018 05:22 AM

It works by limiting the axis.

Thanks again

Re: Different Swiveling Angles after Postprocess

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06-20-2018 06:57 AM - edited 06-20-2018 06:58 AM

Limiting range - could be a solution too.

But reseting vars to zero via mentioned cmd above - you have the same starting contitions (x0,y0,z0, 4th.0,5t.0)

But pp is ootb and we dont know what the logic. PP based on a generic template is better to me.

hope it helps then

cheers

---------------------------------------------

#♫ PB, 5ax, itnc, nx, vericut ♫ #

#♫ PB, 5ax, itnc, nx, vericut ♫ #

Re: Different Swiveling Angles after Postprocess

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06-20-2018 08:13 AM

I don't get it!!

I limited the 4th axis from

-110 - 10

to

110 - 0.

That worked.

Now I removed the limitation and it still works. Dunno why. It just does.

Re: Different Swiveling Angles after Postprocess

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06-20-2018 08:36 AM

maybe that is why I dont use ootb posts or advanced template posts

but as I said I would use reseting and reloading motion vars at first step

---------------------------------------------

#♫ PB, 5ax, itnc, nx, vericut ♫ #

#♫ PB, 5ax, itnc, nx, vericut ♫ #

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