machine cut groove on curve surface

[januwan]

would like to create machine cut in Pro E, that would mimic ball-end cutter cut.I need to make "kind of helical sweep", just like on a lead screw but my "screw" does not have circular cross section but triangular and it is not straight but full donut.I created this geometry but it is very expensive to make .<BR itxtNodeId="21">I think I canmake equivalent part when I create ball end-cutter groove on the top of the donut then I would flip it upside down and create second half of the "coil".This would allow for "straight pull" and make my part less expensive. <BR itxtNodeId="20">Any help greatly appreciated

 

[TonyJager]

do you have a picture of what you trying to make. your 'expensive part'




Edited by: TonyJager

 

[januwan]

here it is 2011-07-29_113623_two_rings.zip