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Need help with using a crown bit without a guide bearing on some cove cuts

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Forum topic by ak6143 posted 11-07-2011 03:37 PM 823 views 0 times favorited 3 replies Add to Favorites Watch
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ak6143

12 posts in 2154 days


11-07-2011 03:37 PM

I recently cut some larger coves on the table saw (3in wide x 7/8 deep) on some 2 in poplar stock. Now Ive got a crown bit (rockler) that I want to cut a profile on one side of my piece. Ive made a few passes and I think Ive found where I want the depth to be, however without a bearing on the bit, Im confused as to how I accomplish this. Since I am not using the very bottom of the bit (its below the table) I could essentially run the piece forever until I had nothing left. Any input on how I can make a jig or something so that the stock will no longer be cut once I have the depth I like? Thank you


3 replies so far

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ak6143

12 posts in 2154 days


#1 posted 11-07-2011 06:02 PM

One thing I didnt mention, Im using the blue Rockler fence with a wooden fence screwed to it. Because that blue fence is solid all the way from end to end, I cant bring it any closer to the bit because it will hit the fence. I guess the best option is throw a thick shim under the fence, so that the bit will clear the top of the fence as it moves forward?

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HerbC

1592 posts in 2322 days


#2 posted 11-07-2011 07:40 PM

Take the rockler fence off and use a temp fence made from a straight piece of wood. Bury the bit in the fence the right depth and alignment to make the cut safely.

Good Luck.

Be Careful!

Herb

-- Herb, Florida - Here's why I close most messages with "Be Careful!" http://lumberjocks.com/HerbC/blog/17090

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ak6143

12 posts in 2154 days


#3 posted 11-07-2011 09:29 PM

Thanks!

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