Reply by Loren

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Posted on router or shaper

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10244 posts in 3610 days

#1 posted 04-03-2012 04:38 AM

No. Not really. They are just much cheaper due to being smaller,
lighter and more mass-produced than shaper cutters.

One issue with router bits is if you use them really hard the shanks
can bend a bit and then they are useless. Shaper cutters run on
a 3/4” or larger spindle. A 3/4” spindle has 2x or more steel in its
cross section compared to a 1/2” router bit, so it can take a much
heavier side load without chattering in the cut.

Not every style of work requires a shaper or big profile cutters. James
Krenov for example used router bits for small details and things
but his work shows no evidence of shaper use from what I’ve
seen. Shapers make some wild stuff possible, but if you are into
the linearity of plane, chisel and saw as Krenov was you may find
a modest router setup will meet your needs just fine. If doing
Queen Anne reproductions in contrast the shaper is nearly

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