5th axis required?
5th axis required?
(OP)
I require 2 flat surfaces parallel to each other to be milled, with a straight sloped surface i.e. a long chamfer connecting the 2 planes. The surface finish is not critical on the sloped section and I can live with rads on the 2 corners. One machinist tells me this requires 5th axis, another doesn't. I would have though as long as the path of the tool is in straight line that this could be done without the need for a 5th axis machine. I've attached a sketch to illustrate the profile side on.
Just want to clarify if this does need 5th axis or not.
Thanks
Just want to clarify if this does need 5th axis or not.
Thanks





RE: 5th axis required?
RE: 5th axis required?
RE: 5th axis required?
Here's a pdf of a 3d model showing a tool and the blue faces are those to be machined, this is just indicative, I appreciate the tool is not very realistic.
RE: 5th axis required?
Why not machine it with the tool in the red axis (x axis)?
Doing it the way you have it you will have a wierd radius on the inner edge of the sloped face.
RE: 5th axis required?
see attached
RE: 5th axis required?
RE: 5th axis required?
RE: 5th axis required?
Obviously if this is a 1 off there is no issues. But I would actually suggest them making the part in 2 steps if this is a production part. Run your top features, then turn the part. I bet it's faster n 2 steps depending on what you can live with as far as surface finish on the sloped plane.
If their CNC machine can actually turn the part (typically called an A axis I believe) during machining your even better.
RE: 5th axis required?
RE: 5th axis required?
.......which is exactly why I posted a 3d view with a mocked up cutter further down, see link above.
RE: 5th axis required?
Larry