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Old 10-14-2003, 03:49 PM
 
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contour profile

Hi Guys,

Is there any way I can remove unwanted stock when doing a contour profile?

If, for example, you imagine a square piece of billet 100mm x 100mm and you are to cut a triangle out of it using a relatively small diameter cutter. If you go round the profile of the triangle with the cutter it will leave matterial on the corners of the billet.

Can this excess matterial be removed in some way as part of the contour profile?

I hope I have explained this ok.

Steve.
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Old 10-14-2003, 04:13 PM
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Yes, there's several ways to do it.

Outside of MC, you could bandsaw it off. Or inside MC you could create a pocketing routine with the triangle as the island. (You'll have to create geometry for the outside boundry. Or you could use Muti passes, (not very effecient for triangles). Or you could create geometry for the cutoff areas and pocket that out.

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Old 10-14-2003, 04:17 PM
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Here's what the pocketing will look like...
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Old 10-15-2003, 12:46 PM
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You can use a contour with multi pass, then create a trimming boundry and use the Toolpath > Trim Function to trim the toolpath to the boundry.
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Old 10-15-2003, 12:50 PM
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Trimmed and backplotted
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Old 10-15-2003, 01:01 PM
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I didn't try that because of the in-efficient toolspaths I've gotten from it before. Is there a way to control it?

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Old 10-15-2003, 02:24 PM
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Ive only used in on a few occasions where pocketing as you suggested didnt work very well. Playing with the start of the contour and tool up or tool down I was able to get Ok tool paths.
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Old 10-15-2003, 02:35 PM
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the competition

automatic Z level roughing in another program
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Old 10-15-2003, 02:40 PM
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Re: the competition

Originally posted by HuFlungDung
automatic Z level roughing in another program
We can do that too.

'Rekd
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