Oh, that edge - Router Forums
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post #1 of 10 (permalink) Old 06-11-2018, 05:03 PM Thread Starter
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Default Oh, that edge

I was asked to refinish a cutting board that the client uses ... and I'm in love with the shape. The edges are shaped almost like the leading edge of an airplane wing, or a bullet shape ... and the interior hole has the same rounding.

Piece is 3/4" thick, and the edge are just slightly curved ... it's 6-7/8" wide at the center, and 6-5/8" wide at each end. Same slight curve on each end; this piece is not square. And, I'm in love. I must do this.

Can't find the router bit to do the edge treatment. This is done with a router, yes?

Here are the pix of the piece as I was resurfacing it. And, as a bonus, here's the website where you can buy one for $125: here.
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post #2 of 10 (permalink) Old 06-11-2018, 05:25 PM
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Looks like it could be done in two passes, on a router table, with a round over bit with a radius some what larger than the board thickness. 1/2 the bit's radius would be used on each pass.

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post #3 of 10 (permalink) Old 06-11-2018, 07:27 PM
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That profile could have been cut on a band saw then sanded down or done on a CNC machine since it's probably a production run piece. I've never seen a router bit with that profile on it unless they have it specially made for them.
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post #4 of 10 (permalink) Old 06-11-2018, 07:48 PM
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I would cut the edge on the table saw like I do the B-52 Walnut trophies that I make -
https://youtu.be/ZQV-C-DNRr4?t=30s

The rest of the edge I do with a router. The hole is a bit more of a challenge, though.

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post #5 of 10 (permalink) Old 06-11-2018, 08:30 PM Thread Starter
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Quote:
Originally Posted by difalkner View Post

The rest of the edge I do with a router. The hole is a bit more of a challenge, though.

David
Exactly. This is a machined piece; the curve is oh so perfect in your hands. It has to be done with a guide bearing and then hand smoothed ... or perhaps it's done with a jig so you can hold the curve as you go the length of the piece? I'm sure some smart person here will tell me what I should already know!

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post #6 of 10 (permalink) Old 06-12-2018, 01:25 AM
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The curve might be a table edge profile. Kind of like this one but there are quite a few variations. https://www.whitesiderouterbits.com/products/3294
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post #7 of 10 (permalink) Old 06-12-2018, 03:38 AM
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Cutting Boards » Edward Wohl Woodworking & Design

Individually hand sanded.
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post #8 of 10 (permalink) Old 06-12-2018, 08:59 AM
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If I were mass producing these I'd use my shaper, for a few the thumbnail bit would be my choice. Roundover bit for the hole.
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post #9 of 10 (permalink) Old 06-12-2018, 09:33 AM Thread Starter
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Quote:
Originally Posted by Cherryville Chuck View Post
The curve might be a table edge profile. Kind of like this one but there are quite a few variations. https://www.whitesiderouterbits.com/products/3294
I am pretty sure this is the ticket. The drilled hole rounding matches the rounding on the edge, and the gentle curve that extends over about 5/8" is oh so elegant in the hand. Can't wait to do this!

Simply could not find this on my own when I was looking. Thanks much for the assist!
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post #10 of 10 (permalink) Old 06-12-2018, 10:02 AM
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A thumbnail bit should be able to do it, but it will require careful height adjustment and two passes, one on each side. You won't be using the full cutting surface of the bit. Use a fence with zero clearance around the bit too.

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