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Rotary Machining


zachlancy
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Hello, I need to side mill the red faces on a rotary. I've looked into roll-die, rotary advanced, contour with axis sub and haven't come up with a solution. Not sure if its from not being the right toolpath, or setting it up wrong. How could I run an endmill along the side of these faces whilst having the y-axis sub'ed.

We have a multiaxis license, so if theres a path that would be suitable let me know.

Thanks,

Zach

Untitled.jpg

Part.mcam

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8 minutes ago, zachlancy said:

I've got something that looks like im on the right path

well don't look too close at what i did, 'cause it's not correct yet. lol.

Backplot should follow thee 3d part.

**Always try to break the 2D contours  from having long unbroken sections. Ask me how i know this from doing this with pockets that would run over 180°. Post output will freakout even when simulation looks perfect.**

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  • 1 month later...
On 9/26/2019 at 3:07 PM, mkd said:

unroll the wireframe with the 4.185 dia. Will have to play with the angle  positioning (in 90 degree increments)

2d contour with axis sub

image.thumb.png.34338a1faa56d3e9252af84338cb00e6.png

-90 is always the right angle to use with unroll. there is also a Knowledge base article that explains this flowing around the knowledge base somewhere.

Unfortunately one of the main limitations of Axis substitution is the tool must stay on the substituted axis, like if you are subtitling Y axis the tool will stay at Y0 during the cut and without moving the Y-axis to the needed position he could end up with wall angles that are not correct. It would work fine for the Flatter area but around those radii he isnt going to see exactly the right results in those corners with axis substitution.

The best path for a finishing the walls on this part is 5x swarf toolpaths imo.

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  • 3 weeks later...
3 hours ago, zachlancy said:

Sorry, I meant to update the topic. I got it work nicely; within MC and on the machine. 

Note: the walls of the feature are actually straight cut, not needing a SWARF strategy.

 

Here is what I came up with. 

Example.mcam

Swarf is still a solid choice even fi the walls are normal or straight. 

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