Rebate lip for plate and cutting radius - Router Forums
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post #1 of 11 (permalink) Old 12-25-2009, 03:09 PM Thread Starter
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Default Rebate lip for plate and cutting radius

Hi all and a very merry christmas,

I have just recieved my Woodpeckers Phenolic router plate and intend to cut it in today .

How much of a rebate lip should I leave for the plate to sit on.
I was thinking of about 1/2 inch or more.

What is the best way to cut the corner radius .They are about 1 1/2 inch (40 mm)

The instructions say to use a 40mm forstner bit,which I dont have and everything is closed at the moment.

Thanks in advance

Regards

Greg

L
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post #2 of 11 (permalink) Old 12-25-2009, 03:26 PM
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I wouldn't go any deeper than the thickness of your plate. In fact, it's best if the plate is level or slightly above the table surface.

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post #3 of 11 (permalink) Old 12-25-2009, 03:39 PM Thread Starter
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Quote:
Originally Posted by Hamlin View Post
I wouldn't go any deeper than the thickness of your plate. In fact, it's best if the plate is level or slightly above the table surface.
Sorry,I wasn't real clear with the question.

The depth is OK (3/8) but the actual width of the lip where the plate sits on.
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post #4 of 11 (permalink) Old 12-25-2009, 05:49 PM
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Greg,

I've heard a number of folks here recommending 3/8 of an inch but I used 1/2" for my Incra/Jessem Mast-R-Lift and heavy PC7518 router, the lift is designed to lock in with a 3/8" to 1/2" lip and I would go with it again. In retrospect it isn't all that important as long as the plate is rigid. With a rigid plate, the force is directly downwards, in a shearing action, so the thickness of the table beneath the lip is where the strength lies.

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post #5 of 11 (permalink) Old 12-25-2009, 06:33 PM
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I'm thinking the more meat ya got to support the router and plate the better off you are.
You just don't want the opening to interfere with the routers operation...
Anyhow that's what I think, it works for me..

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post #6 of 11 (permalink) Old 12-25-2009, 06:52 PM
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I'd have to agree with the 3/8" to 1/2" width for the "lip". More support, the better.

As for the corners, I'll have to leave that for someone more knowledgeable than I for this operation. Bobj will most likely chime in soon, he's the expert.

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post #7 of 11 (permalink) Old 12-25-2009, 07:48 PM
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HI

You don't need to use a forstner bit you can use a 40 mm guide or 1 1/2 guide ,just chuck a 1/4" /6mm bit and let the guide do the work for you..it can be a square template in the corners but the guide will follow the edge of the board..you may need to use a bigger bit but use the smaller bit to start out with.. and you will get a nice radius in the corner.

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Last edited by bobj3; 12-26-2009 at 12:34 AM.
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post #8 of 11 (permalink) Old 12-26-2009, 01:57 AM
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Thanks BobJ your links were real eye openers and they helped me understand more of what the router can do... thanks
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post #9 of 11 (permalink) Old 12-26-2009, 07:37 AM
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Ed:
If you did not get your plate installed, here is link to the Woodpecker site template page. Woodpeckers recommends a 5/8" diameter bit. Router Table Mounting Plate - Template
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post #10 of 11 (permalink) Old 12-26-2009, 02:39 PM Thread Starter
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Thanks for all the replies.

I think I will make the lip 1/2 + as I agree that the more support the better.

Its interesting reading some of the posts regarding template guides.I have never used them before,but after reading through here I think I might get some because I can see how it would make custting this out easier!


Regards

Greg
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