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Author Topic: Recommended Router Speed - Large Diameter Bits  (Read 2022 times)

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Offline dougd1

  • Posts: 12
Recommended Router Speed - Large Diameter Bits
« on: November 26, 2021, 10:26 AM »
I have a Festool OF 1400 router that I intend to use with a 2 1/4" diameter router bit in a router table.  Can you tell me the recommended router speed setting I should use with this large size router bit?
Thanks.

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Offline Frank-Jan

  • Posts: 1251
  • Dutch Canadian living in Belgium
Re: Recommended Router Speed - Large Diameter Bits
« Reply #1 on: November 26, 2021, 10:28 AM »
I would check with the manufacturer of the bit. (festool bits have the max rpm printed on the shaft)

Offline Cheese

  • Posts: 9666
Re: Recommended Router Speed - Large Diameter Bits
« Reply #2 on: November 26, 2021, 10:50 AM »
Directly from Festool...


Online Birdhunter

  • Posts: 3761
  • Woodworker, Sportsman, Retired
Re: Recommended Router Speed - Large Diameter Bits
« Reply #3 on: November 26, 2021, 10:58 AM »
Whatever speed you pick, I would take shallow cuts.
Birdhunter

Offline Stan Tillinghast

  • Posts: 295
Re: Recommended Router Speed - Large Diameter Bits
« Reply #4 on: November 26, 2021, 01:25 PM »
So a 1400 could be used to cut raised panels in hardwood with a 63 mm bit?
Für uns...ist das Beste gerade gut genug!

Online Birdhunter

  • Posts: 3761
  • Woodworker, Sportsman, Retired
Re: Recommended Router Speed - Large Diameter Bits
« Reply #5 on: November 26, 2021, 01:48 PM »
Could be is very different than should be. I really don’t like large diameter router bits, but then I am the cautious type.
Birdhunter

Offline dougd1

  • Posts: 12
Re: Recommended Router Speed - Large Diameter Bits
« Reply #6 on: November 26, 2021, 10:54 PM »
Thanks for the responses, particularly the chart.  It has been very useful.

Offline MrToolJunkie

  • Posts: 3000
Re: Recommended Router Speed - Large Diameter Bits
« Reply #7 on: November 27, 2021, 02:24 AM »
Great chart, @ Cheese!

I would slow the bit way down and as others suggested, take several passes. Do the end grain first and then the long grain sides. Slow even feed rate too.

Good luck!

Offline Cheese

  • Posts: 9666
Here ya go, these are actually 3 separate charts...I just cleaned up the Festool charts for the 1010, 1400 & 2200 routers.








« Last Edit: November 27, 2021, 10:22 AM by Cheese »

Offline demographic

  • Posts: 740
Re: Recommended Router Speed - Large Diameter Bits
« Reply #9 on: November 28, 2021, 10:33 AM »
I've never really worked out why the manufacturers don't just put the numbers the same as the speed x1000 so speed number 7 would be 7000 rpm and 23 would be 23000 rpm.
How hard would that be?

Offline Cheese

  • Posts: 9666
Re: Recommended Router Speed - Large Diameter Bits
« Reply #10 on: November 28, 2021, 11:30 AM »
I've never really worked out why the manufacturers don't just put the numbers the same as the speed x1000 so speed number 7 would be 7000 rpm and 23 would be 23000 rpm.
How hard would that be?

It wouldn't be hard at all...they already do something similar on the RAS & RAP.  [eek]




Offline Crazyraceguy

  • Posts: 1445
Re: Recommended Router Speed - Large Diameter Bits
« Reply #11 on: November 28, 2021, 11:38 AM »
Some of it has to do with the wood itself. Some species are much easier to machine than others.
The chips that come off of the cut will tell you a lot, but again varies by species.
You really want to minimize the dust in favor of shavings. It takes some experimentation, which is the reason for the range in the charts.
It is just as possible to go too slow as it is too fast. It is probably best to start at the low end of the chart and work your way up, to see if it gets better.
Feed rate goes along with this too. Moving too slow is just as bad as spinning too fast.
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