Originally Posted by
Mike Heidrick
Reversing is used so you can flip your cutter over, not for wild grain patters.
Mike
I think that I over simplified my statement with regards to grain orientation.
One thing that really hasn't been brought up in this thread is the comparison of the router mounted in a table, versus a shaper, is the use of templates. It is this function that I was referring to as far as grain orientation.
It is very advantageous to be able to start curves, arcs and complex forms from either direction, ensuring that you are always cutting with the grain, and not worry about blowing out the inside or outside edges of a curve because the rotation changed the orientation.
On the router table you need matching templates, to flip the workpiece over to make sure that you're cutting with grain. On the shaper, you just flip the cutter head over,reverse the motor, and the workpiece never has to come off the template form.
I've done more template work on shapers than anything else. Almost all of it has to be done by hand feeding the material. I find the shaper is easier on the hands with regards to vibration. Of course, maybe that's because I make more robust templates, heavier and bigger, than I would for a router.
Last edited by Mike Cutler; 02-03-2018 at 6:29 AM.
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