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TRAORI without C-axis

Solution Partner Phenom Solution Partner Phenom
Solution Partner Phenom

TRAORI is a powerfull great function. For AC-table mill machine keep workpiece point for any C and A angles. Good.
But I need to EXCLUDE C-axis from TRAORI, I need TRAORI for XYZA only. Is it possible?
I need "free" rotations for C-table.
I know, it possible for some millturn machines, they have TRAORI as a classic TRAORI, and TRANS4A for "TRAORI" without Caxis on main turn spindle. I need a same for AC-table machine.
Possible?
May be I can create TRAORI2 function where "comment" C-axis.
If I can find solution I will show more interesting detailes.
Thanks.
I understand this question not for NX or postprocessor but for SIEMENS Sinumerik.

 

Or (it is independent question) - can I set Cutting Edge D1 for this MILL Machine not only with Z displacement (tool lenght), but with Y displacement and I want to control this point with TRAORI.

 

A lot of questions, hope for answers.....

7 REPLIES

Re: TRAORI without C-axis

Siemens Genius Siemens Genius
Siemens Genius

I found a link from the Sinumerik Forums. Looks like the same question and maybe a solution.

https://support.industry.siemens.com/tf/WW/en/posts/traori-for-4-axis/113896?page=0&pageSize=10

 

Re: TRAORI without C-axis

Phenom
Phenom

I am not sure what traori settings are lately but this is out of a 10 year old manual. "Type" was the one that set the kinematic.

 

traori_type.jpg

It was MD24100.

 

NX10.03
Windows 7 Pro

Re: TRAORI without C-axis

Phenom
Phenom

I think when you want to drop out a rotary - just zero out the following ones:

 

N24110 $MC_TRAFO_AXES_IN_1[3]=6
N24110 $MC_TRAFO_AXES_IN_1[4]=0

NX10.03
Windows 7 Pro

Re: TRAORI without C-axis

Solution Partner Phenom Solution Partner Phenom
Solution Partner Phenom
Thanks. I will test it.

Re: TRAORI without C-axis

Siemens Phenom Siemens Phenom
Siemens Phenom

Hi Yuri,

 

you have to define a chain in kinematic model where the exluded axis is not part of the kinematic tree. This means you have to select the part end axis, exluding the C axis for example. Below is a screenshot which shows it exemplarily on the sim08 kim.

 

thomas

 

2017-05-22 09_09_39-NX 11 - Machine Tool Builder - [sim08_mill_5ax.prt (Read Only) ].jpg

Re: TRAORI without C-axis

Solution Partner Phenom Solution Partner Phenom
Solution Partner Phenom
Thanks, Thomas! It will be useful to repeat on the CSE-model, but first of all I need to relaese it on the REAL CNC Machine...

Re: TRAORI without C-axis

Experimenter
Experimenter

I am certain if you build the Side by side "close" MCS-Tree (or whatever name) you can run the True "zero-post" from one... and then use the clone as to the OOTB MSC -ROT- CSYS- ETC..ECT... to grab a Cycle800 that can be pasted into the TXT for the CSE to show you the TRUE results on the Machine Tool... CSE Works....

 

 

 

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