C-axis Face contour won't work with y axis

[Jese]

I have a haas st30y and am trying to put a radial pocket on the side of the part as pictured. It looks good on mastercam but wants to gouge into the part on the machine. I need to use the y axis to put the feature in. I tried c axis contour with y axis also tried mill countour with y axis output. Both want to gouge into the part. Any ideas of what’s going on here?

[mirek1017]

11 hours ago, Jese said:

I have a haas st30y and am trying to put a radial pocket on the side of the part as pictured. It looks good on mastercam but wants to gouge into the part on the machine. I need to use the y axis to put the feature in. I tried c axis contour with y axis also tried mill countour with y axis output. Both want to gouge into the part. Any ideas of what’s going on here?

 

 

 

In lathe settings  you have option for axis combination   Y and C  ,you need to marck  C 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Jese]

The C would work but it is too jumpy/leaves a bad surface finish. That is why I want to lock the C and use the Y to cut it.

[mirek1017]

2 minutes ago, Jese said:

The C would work but it is too jumpy/leaves a bad surface finish. That is why I want to lock the C and use the Y to cut it.

so you can cwich change  for Y out pu on this settings 

[Jese]

When you switch it to Y output it wants to gouge the part and doesn't follow the chain.

[JParis]

File?

[Kalibre]

I find cutter comp on an arc move is pretty suspect at the best of times. Even when it's just wear.

[heavychevy2155]

May want to use reverse wear comp.

[Jese]

Ended up having to use G112 to convert the X and Y moves to X and C moves. That took the "stuttering" out of the C axis. Still not sure why it cannot figure out X and Y moves from the face of the part.