average_jonny

Toolpath for machining a fillet without a form tool?

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I'm still sticking with the 6mm ball end mill. All fillets are 3mm. add a few multi passes and your done

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4 minutes ago, mayday said:

I'm still sticking with the 6mm ball end mill. All fillets are 3mm. add a few multi passes and your done

Hey that is cheating...

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I been doing this over 40 years, cheating is what you learn.

I could throw a 5 axis path on that all day but why?

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2 minutes ago, mayday said:

I been doing this over 40 years, cheating is what you learn.

I could throw a 5 axis path on that all day but why?

Haha I know i was just kidding, sometimes the easiest way is the best way. 

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1 hour ago, mayday said:

I could throw a 5 axis path on that all day but why?

You are out of character that is my line. :p

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Thanks guys - I'd like to say that I first read about this in a Help file or What's New file dating back to perhaps the V9.1 period... I can't really remember now!  I remember the image that was used in an example, it was a bit like a aerosol cap with the "containment boundary" going from the centre out to the edge.

 

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15 minutes ago, Rich Thomas 4D Engineering said:

Yeah I'll knock one up for you :) It'll be toolpathed in 2018 so you won't be able to open it in an earlier version.

Test_piece2_RT_2018.mcam

Rich thank you for helping and supporting the emastercam community. :thumbsup:

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1 hour ago, Rich Thomas 4D Engineering said:

Yeah I'll knock one up for you :) It'll be toolpathed in 2018 so you won't be able to open it in an earlier version.

Test_piece2_RT_2018.mcam

Thanks! Very interesting indeed.

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Just for chits and giggles, I was wondering if you are able to add a 2nd boundary to keep the path from wrapping around the corners at the end of the profile and still get that nice consistent step over/down -   

 

If anyone is wondering,  you can. 

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On 11/14/2019 at 11:39 AM, Elmer Fudd said:

Yep, MC 3.1 here.

Same here.

On a 386 with a seperate math co-processor and dual floppy disk drives and 2MB of RAM IIRC even.

 

2D swept, Coons are both toolpaths that produce CLEAN tool motion and I use them still.

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show off, single floppy here and 1 meg of ram. it was a 100$ of ram back then.  3.1 rocked 

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On 12/3/2019 at 4:23 PM, Neurosis said:

Just for chits and giggles, I was wondering if you are able to add a 2nd boundary to keep the path from wrapping around the corners at the end of the profile and still get that nice consistent step over/down -   

 

If anyone is wondering,  you can.  

Sweeet!

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Well well look what I found!  The method I suggested was in the Mastercam Handbook Volume 2, circa 2002 written by San Diego CAD/CAM (Charles Davis) for CNC Software.  It was discussed as an option to clean up shallow areas of a component.

20191205_1525272.thumb.jpg.14374ede26b0126e5d7e2e5e0ed73fbc.jpg

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1 hour ago, Rich Thomas 4D Engineering said:

Well well look what I found!  The method I suggested was in the Mastercam Handbook Volume 2, circa 2002 written by San Diego CAD/CAM (Charles Davis) for CNC Software.  It was discussed as an option to clean up shallow areas of a component.

20191205_1525272.thumb.jpg.14374ede26b0126e5d7e2e5e0ed73fbc.jpg

I use to proof read for him he did a good job of writing books and creating material.

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16 minutes ago, 5th Axis CGI said:

he did a good job of writing books and creating material.

The MC Handbooks by Charles Davis are outstanding!

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