I have a question about cutting raised panels on a router table. I have used a regular 3+ inch router bit for years. I normally raise the bit in small increments until I achieve the final dimension. I am looking at a new bit with a back-cutter. How do use this blade? Any advise would be appreciated.
Joe K
Replies
Joe,
I haven't gotten my hands on one yet, but I would think your approach still works. But the back cutting on these new bits will probably allow for a slightly more aggressive depth of cut since the purpose of the new design is to cut down on tear-out. The quality of the cut will still depend upon the wood you're using, router speed, and feed rate.
I'll put in my two cents, with apologies.Because you have cutters both above the stock and below you can't work in increments by gradually raising the bit. You can either work into the stock in steps by moving the fence back in stages or you will have to remove some stock in advance with either a single bit cutter or on a table saw.John White
Yeah you've got it right John. I was thinking the quadra-cut with a forward and backward rake to the cutters, but all on the same plane. The back cutter cuts on the bottom side of the panel to create the tongue so you can't nibble away height-wise. You can sneak up on a fit by capturing this bit in a fence and taking deeper passes with each fence setting, but all at the same height. Sorry for any confusion. Gary
I am posting a response to my own question. I went ahead and ordered a Rockler raised panel bit with a back cutter. I set the fence up as was suggested by several people. After little trial and error, I can tell you that the bit cut in a single pass. I was cutting 3/4" ash panels with a slow steady feed and there was absolutely no problem. No burning, no tearout, no kickback. I would highly recommend this bit. I chose the Rockler bit over the Freud because the Rockler is guaranteed for ever.
CMT has a raised panel bit with back cutter and two bearings. large for first cut, then
smaller for finished cut. bearing change is no big deal and it works great. easier on
router and nerves too.
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