One of the great advantages of a shaper is the reversible motor that virtually eliminates grain tearout. Wouldn’t it be nice if a manufacturer considered this in the design of a router?? It would truly give shaper advantages to dedicated routers to be used in a router table. If they can do this with power drills, why not routers???
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Replies
Here's a few reasons I'm guessing you won't see this:
1.) Shapers have blades that can be reversed. Router bits can't be reversed. In order to make thm reverse means developing a substantial line of bits just for this purpose. This means major industrial retooling and on and on.
2.) I also see possible liability issues when the wrong bits are used spinning the wrong direction. It's much harder to know what's going on under a router than on a shaper.
3.) Routers have been repurposed for router tables, but they're all still hand held machines. This reversing may provide a few advantages as a router table, but not nearly as many as a handheld, and likely would lead to user confusion.
There may be some mechanical reason why this isn't done I'm not familiar enough with those things.
Best,
Seth
you can just climb cut with a router, and it will eliminate tearout 99% of the time.
the problem with doing this by hand is that if you take a big cut the router can jump away from you, which could lead to disaster, so you have to be EXTREMELY careful. you can't climb cut on a shaper without a power feeder if you value your body parts. a router in a router table is the safest way to climb cut with a router.
Edited 3/27/2002 9:52:01 AM ET by Kim Carleton Graves-Carleton Woodworking
Edited 3/27/2002 9:53:18 AM ET by Kim Carleton Graves-Carleton Woodworking
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