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Contact Point Boundary not working properly

6 REPLIES 6
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Message 1 of 7
Anonymous
850 Views, 6 Replies

Contact Point Boundary not working properly

Hello!

 

This could be my mistake, as this is my first programmed part in Fusion. I'd like to limit the tool to only machine the surface I've selected, instead of wrapping around the corners. I have only done programming in Powermill before, and turning off "roll over" when making selected surface boundaries usually accomplishes this. The tooltips seem to indicate that this is what I should expect, but it's not working for me!

Please let me know if there's anything I can do. Thanks!

 

 

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6 REPLIES 6
Message 2 of 7
jeff.walters
in reply to: Anonymous

It’s kind of hard to tell from the screen shots what’s selected and what isn’t along with all your settings. Can you export your part as a .f3d file and either post it here of email it to cam.support@autodesk.com

Jeff Walters
Senior Support Engineer, CAM
Message 3 of 7
Anonymous
in reply to: jeff.walters

Hi Jeff,

 

Thanks for replying! I attached the .f3d file to this post. The toolpath in question is .25 ball finish. I'm working on the "Top" component.

 

Thanks,

Josh

 

 

Message 4 of 7
jeff.walters
in reply to: Anonymous

All you need to do is turn off the contact point boundary option.

 

point.png

result.png

Jeff Walters
Senior Support Engineer, CAM
Message 5 of 7
Anonymous
in reply to: jeff.walters

Jeff,

 

While I don't understand why turning the Contact Point Boundary off would cause that result, that improves the sides of the model. Is there any way to prevent the tool from machining down to the bottom of the inside of the part? There's a good chance it would negatively affect the internal wall finish, and this is what I am concerned with more than machine time.

 

Thank you!
Josh

Message 6 of 7
kb9ydn
in reply to: Anonymous


@Anonymous wrote:

Jeff,

 

While I don't understand why turning the Contact Point Boundary off would cause that result, that improves the sides of the model. Is there any way to prevent the tool from machining down to the bottom of the inside of the part? There's a good chance it would negatively affect the internal wall finish, and this is what I am concerned with more than machine time.

 

Thank you!
Josh


 

 

You should be able to select that bottom face as an avoid surface.  Touch/Avoid surfaces are at the bottom of the geometry selection tab.

 

 

C|

Message 7 of 7
jeff.walters
in reply to: kb9ydn

I have submitted this on ticket CAM-2412. The only thing I can see to avoid the issue would be to create a sketch (easier than picking edges on this one) and use that as use that as your boundaries.

Jeff Walters
Senior Support Engineer, CAM

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