It was going also well until... - Router Forums
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post #1 of 21 (permalink) Old 12-11-2016, 09:08 AM Thread Starter
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Default It was going also well until...

It was going so well until something happened and I screwed up, disappointed after I spent a fair while sanding the piece to fit the chest I'm making.

Anyway here's a pic of when it was going well and the aftermath





Ignore the small routed bits, I was trying to recreate the error and find out why it went wrong.

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post #2 of 21 (permalink) Old 12-11-2016, 09:16 AM
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First pix. You need a sacrificial piece at the end of a run like this one so the bearing doesn't make the turn around the corner. Second picture; may be that the router tipped a bit. Not always easy to keep it stable. This is even more frequent when working on an edge held vertically. Making several shallow passes, rather than taking it off in one pass, will reduce the pressure you have to keep on the router, which will help you keep it's base flat on the workpiece.

The more I do, the less I accomplish.
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post #3 of 21 (permalink) Old 12-11-2016, 12:22 PM
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Can't tell if there is a residual flat on the edge at the bottom of the radius, but you need some minimal flat for the bearing to run against.

When I'm doing something like this, I use the edge guide as the length prevents any wobble as the bit runs on and off the corner - set it up the same as using it on the router table, with the face of the fence tangent to the OD of the bearing.

More important, you need an oversize router plate to get more contact with the surface - all that weight centered outboard of the edge is an invitation to disaster. Have the fence on the outside of the part, a knob on top of the extended base, and you can make the cut with the left hand on the knob and the right on the router - extended faces on the edge guide are a must too so you can get the router lined up to the edge before the bit hits (maybe touches is a better choice of words here).
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post #4 of 21 (permalink) Old 12-11-2016, 12:44 PM
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Bugger changed depth on you. And that can occur for many reasons.
A plate like this one, will keep the router flat on the work.
Notwithstanding, you had a spontaneous change of depth.
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post #5 of 21 (permalink) Old 12-11-2016, 06:07 PM
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Quote:
Originally Posted by Quillman View Post
Bugger changed depth on you. And that can occur for many reasons.
A plate like this one, will keep the router flat on the work.
Notwithstanding, you had a spontaneous change of depth.
That was my first thought too ,Pat, the bearing dropped below the piece.
If you look at the first picture, the cut went deeper when you turned the corner and lost the edge for the bearing to ride on.
herb
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Last edited by Herb Stoops; 12-11-2016 at 06:11 PM.
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post #6 of 21 (permalink) Old 12-11-2016, 06:14 PM
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Quote:
Originally Posted by Estoril-5 View Post



Ignore the small routed bits, I was trying to recreate the error and find out why it went wrong.

Sent from my Moto G (4) using Tapatalk
H , you weren't under the influence of alcohol when you did this ?

I donít always insulate , but when I do .
Ok ,I never insulate
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post #7 of 21 (permalink) Old 12-11-2016, 06:20 PM
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You might be able to save the top ,if you can rip about 1/4 off that bum edge and maybe clamp a 1X4 under the top for the bearing to ride on,as it appears the bearing is riding very close to the bottom face of the table. The suggestion of using an edge guide like a router table fence is a good idea too.

If that is not possible you might have to rip both edges and end off and install a wooden edge all way around with the profile routed onto one side like a moulding.
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post #8 of 21 (permalink) Old 12-11-2016, 10:09 PM
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Quote:
Originally Posted by Quillman View Post
Bugger changed depth on you. And that can occur for many reasons.
A plate like this one, will keep the router flat on the work.
Notwithstanding, you had a spontaneous change of depth.
Wow Pat, thanks for the link to the picture. I needed one of those base plates so I found one on Amazon and ordered it.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Bryan


H,

sorry about your goof, thanks for showing it.

Bryan
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post #9 of 21 (permalink) Old 12-11-2016, 10:36 PM
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Not sure what so say, the last time I gave advice I was told the OP was not asking a question. Since you did not ask one I will agree you screwed up some where.
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post #10 of 21 (permalink) Old 12-12-2016, 02:43 AM Thread Starter
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Thanks for all the suggestions guys, I have another piece of MDF spare and will use that and try again. Less speed more haste is the order of the day.

As they say every mistake is a learning experience.

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