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Round over bit usage

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Forum topic by siouxdawgs0409 posted 09-06-2010 05:15 AM 859 views 0 times favorited 4 replies Add to Favorites Watch
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siouxdawgs0409

107 posts in 1784 days


09-06-2010 05:15 AM

I just want to make sure I am understanding this right. I want to set up a round over bit in my router table so that I can completly round the edge of a 1/4 inch thick piece of stock. Would look like a half circle on the end. Am I right to use a 1/8 inch radius RO and make two passes, one on each side? First side will be done with either fence or bearing but the second will be done with fence for sure. Setting the fence even with the bearing.


4 replies so far

View PurpLev's profile

PurpLev

8476 posts in 2338 days


#1 posted 09-06-2010 05:20 AM

yup. if you align the fence with the bearing then you don’t even need to worry about the bearing being there as you’ll be guided completely by the fence.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View BertFlores58's profile

BertFlores58

1646 posts in 1612 days


#2 posted 09-06-2010 06:12 AM

I do it also on portable routers using the side guide added with a straight piece of wood. Sharon is right you dont need the bearing. Sometimes I do take out the bearings. I had made a curtain rod of 1/2 inch diameter using a 1/4 R round over bit by 4 passes using the side guide. But be careful.

-- Bert

View richgreer's profile

richgreer

4524 posts in 1764 days


#3 posted 09-06-2010 02:38 PM

You’ve got it right.

An alternative to consider is a bullnose bit that will do the complete edge in a single pass. Since I own some bullnose bits, that is my preference when doing a job like this. If you were doing a high volume of rounded edges, a bullnose bit may be justified.

-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

View Gene Howe's profile

Gene Howe

5780 posts in 2118 days


#4 posted 09-07-2010 02:33 PM

To add to Rich’s suggestion, using a bull nose is also a table router operation.
I know…I know, it’s obvious, but you never know….:-)

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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