Reply by Scot

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Posted on router or shaper

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344 posts in 3365 days

#1 posted 04-03-2012 05:53 AM

I meant router bits used in a shaper generally keep their edge longer due to the lower rpm. Routers operate in the 10000-22000 rpm range, this is because the small low mass motors have to develop torque by spinning at the higher rpm’s. A shaper operates in the 5000-10000 rpm range, shaper motors are much heavier than router motors and develop torque through high mass at a lower rpm.

At the higher rpm’s it’s very easy to over heat a router bit, not to mention burn marks on the wood. That’s why I was very happy when manufactures started setting their machines up to use both router and shaper bits.

BTW I still like my router table too ! I just don’t have as elaborate Router/table system as I used to.

Funny how I still have a dozen or so routers around the shop though.

-- If the old masters had power tools, they would have used them. So get off your damn High Horse.

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