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Router Kickback w/Bosch Ogee Bit

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Forum topic by efsavage posted 12-17-2010 06:15 PM 1134 views 0 times favorited 4 replies Add to Favorites Watch
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efsavage

26 posts in 1826 days


12-17-2010 06:15 PM

I was trying to use a brand new 3/4” ogee bit on the edge of a cribbage board, and was having terrible luck with the piece kicking back, even at a very low depth. After chunking a dozen test pieces at different speeds and heights I gave up. I ended up a smaller ogee, and making many passes, raising the bit about 1/8” each time.

My question is, is this typical with the more complex profile bits? I only have much experience with roundovers and chamfers which I’ve never had anything like this happen before. Is there something I could have done differently?


4 replies so far

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efsavage

26 posts in 1826 days


#1 posted 12-17-2010 06:16 PM

To be clear, it wasn’t just the kickback that was a problem, it was held securely and with feather boards, I was more concerned with the massive tearout/chunks it was causing.

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efsavage

26 posts in 1826 days


#2 posted 12-17-2010 06:31 PM

You know, that’s probably exactly what I was doing. Looks like I should try climb-cutting on my next piece. Thanks!

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traupmann

124 posts in 1454 days


#3 posted 12-17-2010 07:01 PM

If you have the control over the piece to climb cut, it will significantly reduce the splintering, The bit on a climb cut bites into the grain cutting it with a full cut. When conventionally cutting the material from the previous sweep doesn’t always clear causing some chance of entering the grain at an acute early angle and splintering; also the bit then has only a very small amount of wood to catch. This will split many types of wood. But CONTROL is the issue. Without control of the part being cut, you will have a safety hazard, so be careful out there.

-- chas -- looking for Serta sponsorship to go Pro...

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Brad_Nailor

2531 posts in 2624 days


#4 posted 12-17-2010 08:22 PM

Sounds like you might have been taking too large a bite too….1/8” is significant especially if you were routing against the grain

-- http://www.facebook.com/pages/DSO-Designs/297237806954248

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