CAM post processes to the wrong Plane

[Buckshott00]

Hello,

I'm at my wits end because I can't figure out why when I post process my operations, it keeps outputting to the wrong plane.

My MCS is right and matches the machine's manual. The post processor came straight from the machine manufacturer, and I have seen it work correctly for milling applications.

However, for my turning application it just keeps outputting to the YZ plane instead of the XZ.

Does anyone have any ideas?

Much Appreciated. Thanks

 

[Buckshott00]

I found out that there is a line referencing the tool axis of a turning tool

calling for MOM_tool_axis(2) the post processor is referencing that.

That's the K axis of a turning tool any idea how to change that?

 

[Jaydenn]

In your lathe geometry, you have a "Lathe Work Plane" setting. See attached picture.
Give that a try.

Jay

 

[Buckshott00]

Jay,

Thanks for trying, but I've already played with it and the ZM-XM plane is actually the right work plane.

When I did try that the results we the same.

Thanks again though

 

[Jaydenn]

May I also suggest reading the help file.
I learned how to use the turning module 100% from the help file.

Launch HELP > MANUFACTURING > MANUFACTURING TURNING > GEOMETRY > SPINDLE ORIENTATION

It is very specific on how to set up the Co-ord systems.

Appologies if you've already tried it!

Jay

 

[Buckshott00]

Thanks Again Jay,

I hadn't tried reorienting the WCS because I had already followed the convention.

I tried it, but the results are sadly the same. I am going to try again with a different part to see if it is one of those things that has to be done before anything else to make sure it is oriented correctly.

I really appreciate the effort.

thanks,
--Buckshott00

 

[shags72]

If you are using a carrier it also has the plane setting in it. Just a thought.

 

[Buckshott00]

Nope, setting the WCS before anything else had no effect.

I think it has something to do with how UG orients the turning tools. See the lathe I am trying to processing too has live tooling, and does mill operations too. UG brings in turning tools at the same axis as mill tools, so I think the post is interpreting them as mill tools and that is why I am getting
the wrong plane.

--Buckshott00

 

[Buckshott00]

Shags,

Thanks, I am using a carrier, but for whatever reason it's not letting me access that dialog box. I had used it before, but I after reading your post I couldn't find it.

I thought maybe it had been disabled for the type of setup it was.

Orienting the tool holder won't work but the carrier might

 

[shags72]

make sure you are using the carrier from the turning dialogue not the mill

 

[Buckshott00]

Yeah, I made blanks and tried it with turnmill and turn with carriers

Same thing, it's how the post is interpreting the mom_tool_axis(2)

I'm really not sure what to do at this point, because the post is reading the turning tools as milling tools, and the milling tools as milling tools, but I can't change the one without messing up the other

Thanks for your help guys.
--Buckshott00

 

[joycejo]

Most Mill / Turn machines use a set of linked posts. One post for milling and one for turning. You need to tell the post your in the turning mode. In most cases you will need to add a head ude to a method or a program group. You should contact the people that wrote the post to get the correct process for this.

John Joyce
N.C. Programming Supervisor
Barnes Aerospace, Windsor CT
NX6.0.5.3

 

[Buckshott00]

Thanks joycejo,

The post uses that mom_tool_axis(2) to determine whether it is in turning or in milling. If I broke up the program groups and ran the mill operations through the milling post then it works fine. The problem is, this master post is setup for both. Since the machine has live tooling we need to be able to get it to run both.

I am going to try and get a hold of the company that made the post today. Thanks for the suggestion.

Thanks for the Help.
--Buckshott

 

[Buckshott00]

Just wanted to Thank Everyone again for their help, I ended up rewriting part of the post processor.

It seems to be working now. It's offsetting everything -1 in the x axis but I will figure it out.

thanks again,
--Buckshott00