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Wow, I was just thinking of trying to get MadCAM installed on my new Rhino7.

Right now whenever I need to do CAM I open Rhino5 (64bit) where MadCAM is installed.

I can't afford to have my...

To me it looks like your profile curve may not be a closed curve...

I have been threadmilling external threads using a helix around the Z axis.

My problem is that my old Tree325 mill is has about 0.002" of backlash in the X axis and my threads are not circular.
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Played with it for a while.

To make this work I have to figure out how to slice the part into 'gravity' slices (the path a ball would roll down from the top) and these would not be parallel so...

WOW!

Back to my reality, I've been wanting to try using a square endmill (or radiused corner) for 3D finishing on 3 axis. With madCAM I think I can try this.

I think that it could result in a...

Is madCAM smart enough to never have the tip of a ballnose used for cutting?

Thanks, missed seeing that as collision avoidance.

You answered while I edited and you probably must have missed my edit asking what accuracy that can maintain while machining like that?

Sven

I've only seen a machine like that in my dreams!

Why is it rotating rotary table 180 degrees so often?

What actual resolution is that cutter maintaining from its commanded position?

Dan

Very cool!

Watching that made me feel for that poor ball nose.

Is there a way to tell it to mill with the tool axis NOT perpendicular to the surface?

That way the tool would last...

Oops replied wrong thread

I only wish!! I can only imagine the neat parts I could design.:banana:

Just to finish this off then, here is a pic of the final finish toolpath on the actual part.

Created by projecting 3 curves to the surface.

Inner and outer circular paths to clean up vertical...

Wow, madCAM is so powerful !!

I figured out how to do spirals by making a spiral curve in Rhino and then projecting the spiral onto the part as a tool path.

Congrats on a GREAT program.
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Although I have shown a simple part, the actual part will be fan blades where I would prefer not to have radial ridges on the blades with the finish paths.

I can not see how to create a spiral...

Yes a spiral would do but it is not the start and end points of each 'concentric' path that is the problem, they end up being not on the part.

It is the fact of milling clockwise vs...

I am having problems figuring out how to make a finish toolpath climb mill all the way from one closed curve to another.

I almost have it with the attached Rhino file.

I was able to climb mill...