3d contour multi pass

[Tim Pruett]

I can't seem to get this to work. I'm turning an electrode in the mill and I usually use depth cuts, but in this case the trode is a hooker and if I use depth cuts it will turn off the hooker. How do I get the multi pass funtion to work. Or is there a better way to turn this trode in the mill?

[edmBosto]

hooker= a pertruding area with recessed surface below? Trode = electrode

 

Set your depth to .0000 Incremental

the multi passes option is there in the parameters.

[Santa Fe]

Not sure what a trode is but try this:

 

Project the geometry you want above the part,

 

Do a 2d toolpath with that geometry and gost it out,

 

Do surface finish project, select NCI projection type, source operations select the 2d toolpath you just create.

[Santa Fe]

sorry I forgot, add the multipasses and lead in and out in your 2D toolpath.

[Tim Pruett]

edmbosto,

 

I tried that and it still wouldn't work.

 

Santa Fe,

 

If I use a surface project toolpath it won't mill the undercut for the hooker. I need to use a lollipop mill or something to that effect and we don't have enything like that.

 

Anyway, I figured out a differen't way of doing it. I had to create my toolpath from the front construction plane and then edit my nc file. I changed all of the "Y"s to "Z"s. Then I could use multi passes like I wanted. I just wondered why the multi pass function wouldn't work in a 3d contour toolpath. Thanks for the input though. It's nice to have all of you gurus to talk to whenever I want.

[Santa Fe]

If you have the tool already then use a wire frame toolpath to machine the negative walls.

[Justin Beebe at Folsom Tool]

Tim,

 

My multipass function works fine with 3D contour. What type of tool are you using and what is your compensation type. Also what were your lead in/out settings for the path that would not work.

[Jimmy Wakeford from Barefoot CNC]

Tim

On3d contours depth will always be incremental. Set your top of stock value to incremental at whatever value you want to step down from.