1-3/4" OD guide bushing.

For some reason or another, I cannot find a router guide bushing bigger than the normal 1" or so. I bought some many years ago. Two of them. One was 1-3/4" OD and one was 1-5/8" OD. They are used in conjuction with either a 3/4" or a 5/8" bushing along with a 1/2 bit in order to make inside-outside parts for inlay work. I have a kit for a 1/4" bit from Lee Valley, which achieves the same thing, but doesn't have the utility to be plowing out 1/2" acrylic. For that, I want to use a 1/2" single flute up-spiral. I suppose the option is to have a machinist make me a sleeve that steps up a 3/4 bushing to 1-3/4". But I KNOW the larger ones exists, but just can't find the things anywhere.

HELP??

TIA

r
Reply to
Robatoy
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Take a look at tooling hardware manufacturers who supply the tooling industry (Dies, jigs, etc).

They offer things like spherical washers, shoulder screws, crank handles, etc.

There was a company in Cleveland that specialized in making this kind of stuff, but I have been away from it for too long to remember who it was.

Sorry, best I can do.

Lew

Reply to
Lew Hodgett

Reply to
root

Hmmm, they sell them that big for shapers. (also called rub collars) I have a whole slew of them. 1/2 inch i.d. I have got some from busy bee and from woodcraft. Beware the cheap ones that can come apart or have a band of metal around them for sizing.

example

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this the sort of thing you wanted?

John

Robatoy wrote:

Reply to
Eddie Munster

This is the sort of thing I was wanting to warn you against. I have had them almost come off while running my shaper. Yet they seemed secure enough beforhand..

John

Reply to
Eddie Munster

Thanks for looking for me, but I'm after one of these with an OD of

1-5/8" or 1-3/4". The threaded part is still the Porter Cable standard, but the OD is wider than the hole.

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know where to get one as a part of an installation kit for Counter-Seal solid surface trim rings (for undermounting a sink in a laminate countertop) But I'm not paying $ 200.00 just to get one of those. I now buy the rings already mounted in pc board, so I no longer need that bushing for that job, so I sold the installation kit.

Maybe if I find a ring 1-3/4 OD and 3/4" ID then I'd have the same set-up as the Lee Valley inlay bushing, but more robust.

Reply to
Robatoy

Okay, now I understand.

Robatoy wrote:

Reply to
The Visitor

Good! It's a bit hard to explain. It's kinda like this:

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(open up that little blue 'instr' thingy, right next to the price. That explains everything.) but I want to use two separate bushings and a 1/2" bit.

I have used the 1/4" set-up before on 1/8th inch solid surface and that worked flawlessly. I made a separate base-plate for the router, and floated the bushing, in an over-sized hole, in epoxy so I ended up with a dead-centre location of the routerbit vs bushing. But because I need to have the bit extend 2 x 1/2" plus the bushing body, a 1/4" bit is just too sloppy.... and scary.

Reply to
Robatoy

I use 3/4" full bullnose bits, without bearing, freehand. That takes

1-1/2" of solid surface off the front edge of a countertop in one pass. With the 3 1/4 HP Milwaukee at lowest RPM, you want some pretty steady footing. I LAFF at 1" bits!
Reply to
Robatoy

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