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

Sat 31 October 2009, 03:08

Replies: 65

Speeds, Feeds, Materials and Bits

Views: 78,633

Posted By Barman

I think that it is difficult to give exact values...

I think that it is difficult to give exact values because each MM is a little different.
In anyway, this is an "RPM Chip Load Calculator" which I've found on the Internet.

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

Fri 30 October 2009, 14:33

Replies: 65

Speeds, Feeds, Materials and Bits

Views: 78,633

Posted By Barman

Hey Mike, I try to follow your reasoning. ...

Hey Mike,

I try to follow your reasoning.
1 ipm = 0.42333 mm/sec
1 ips = 25 mm/sec

For a 3 mm cutter I use now a feedrate of 20 mm/sec -> 47.244 ipm.
The calculated speed for the...

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

Fri 30 October 2009, 04:26

Replies: 65

Speeds, Feeds, Materials and Bits

Views: 78,633

Posted By Barman

I always used a feedrate of 10 mm/sec. This...

I always used a feedrate of 10 mm/sec.
This was clearly too slow and perhaps the reason that my cutters wear out quickly.
I've created a brief summary:

CutterDia.: --Feedrate :--Stepdown :...

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

Thu 29 October 2009, 10:19

Replies: 65

Speeds, Feeds, Materials and Bits

Views: 78,633

Posted By Barman

Yes , the 10 mm is for cutting mdf of 18 mm thick

Yes , the 10 mm is for cutting mdf of 18 mm thick

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

Thu 29 October 2009, 04:50

Replies: 65

Speeds, Feeds, Materials and Bits

Views: 78,633

Posted By Barman

Can I use this feedrate of 25mm/sec also for the...

Can I use this feedrate of 25mm/sec also for the 3 mm and 10 mm cutter ?
I've just tried the feedrate (without cutter) and it sounds better than before and is 2,5 x faster.

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

Thu 29 October 2009, 03:11

Replies: 65

Speeds, Feeds, Materials and Bits

Views: 78,633

Posted By Barman

Initially I used a KINZO router 650W with...

Initially I used a KINZO router 650W with constant velocity 30.000 t / min.
The used cutters were - Black & Decker - HM / TCT - 8 to 10 mm (Piranha).
The used feedrate to cut MDF was 600 mm /...

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