View Full Version : Proper Router Bit Speed ??
Rob Will
11-18-2007, 10:36 AM
With a variable speed router, at what speed should I be turning a 1/2" diameter spiral pattern bit? Mostly making light cuts under 1/8".
5/4 hard maple
3/4 poplar
The router will go to 21K rpm but is there any big problem with running about 13K rpm? I like the quietness of lower speeds IF it's ok to do.
Your toughts?
TIA
Rob
David Duke
11-18-2007, 11:02 AM
Rob, the 1/2" bit will run at 21k and it will cut faster feed rates and the finish cut will be a lot smoother than with lower speeds but if the finish is acceptable using lower speeds then by all means use the lower rpm if thats your preference.
Brian Weick
11-18-2007, 11:09 AM
these are the speeds you should use with different diamiter cutting bits;
Bit DiameterMaximum SpeedUp to 1 inch24,000 rpmUp to 2 inches18,000 rpmUp to 2-1/2 inches16,000 rpmUp to 3-1/2 inches12,000 rpm
Hope this helps,
Brian
Charles Wiggins
11-18-2007, 1:40 PM
Router Bit Diameter = Maximum Speed
Up to 1" = 22,000 - 24,000 rpm
1" to 2" = 18,000 - 22,000 rpm
2" to 2-1/2" = 12,000 - 16,000 rpm
2-1/2" to 3-1/2" = 8,000 - 12,000 rpm
From: http://www.rockler.com/blog/index.cfm?commentID=149
Cliff Rohrabacher
11-18-2007, 2:39 PM
The most scientific method I have encountered is fast enough to cut clean slow enough to not burn.
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