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Forum: Cutting various materials - bit selection, feeds, speeds

Sat 27 March 2010, 13:20

Replies: 8

Straight-flute bits and safety

Views: 13,946

Posted By lumberjack_jeff

Thanks Ger, I am now testing SheetCam. The...

Thanks Ger,
I am now testing SheetCam. The postprocessor is much better optimized for EMC.

It is exactly true that I have a problem here with the code. But the problem was made serious (as...

Forum: Cutting various materials - bit selection, feeds, speeds

Mon 22 March 2010, 09:18

Replies: 8

Straight-flute bits and safety

Views: 13,946

Posted By lumberjack_jeff

CDX ply is the only material I've noted this...

CDX ply is the only material I've noted this in... but then again, I use straight bits rarely now.

I think you're right, every place it happened was a place where the tool came to a near-complete...

Forum: Cutting various materials - bit selection, feeds, speeds

Sun 21 March 2010, 18:05

Replies: 8

Straight-flute bits and safety

Views: 13,946

Posted By lumberjack_jeff

Basic two-flute .250 bit. Freud, I think.

Basic two-flute .250 bit.

Freud, I think.

Forum: Cutting various materials - bit selection, feeds, speeds

Sun 21 March 2010, 13:38

Replies: 8

Straight-flute bits and safety

Views: 13,946

Posted By lumberjack_jeff

20,000 rpm, 180ipm on the straightaways. The...

20,000 rpm, 180ipm on the straightaways.

The points at which burning occurred were probably 10ipm - sections composed of short line segments and reverses of direction.

Forum: Cutting various materials - bit selection, feeds, speeds

Sun 21 March 2010, 09:48

Replies: 8

Straight-flute bits and safety

Views: 13,946

Posted By lumberjack_jeff

Straight-flute bits and safety

I was cutting parts out of 1/2" cdx ply last week when I found that at each corner of somewhat complicated shapes (i.e. slow feed ipm) the friction caused small burning spots. (And no, the bit was...

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