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post #1 of 16 (permalink) Old 11-02-2017, 11:33 PM Thread Starter
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Default pattern bushings

Never used these, only the edge of the base. I only have 1/4 and 1/2” straight bits. Should the id of
the bushing be slightly oversized so the bit never touches it? Then I would need a 3/8 and 5/8” .
I plan to make my own insert. I see them on Amazon for $20 a set, but I’d rather help a forum
member first.
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post #2 of 16 (permalink) Old 11-02-2017, 11:38 PM
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File Type: jpg GUIDE BUSHINGS.jpg (695.2 KB, 18 views)
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File Type: pdf GUIDE BUSHINGS.pdf (246.7 KB, 15 views)
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post #3 of 16 (permalink) Old 11-03-2017, 12:05 AM Thread Starter
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Thank you Stick, I read that online. All I found was “pick a bushing that fits,” so I’d better
buy a set! My project requires a shallow routing, so with a 1” bit I need a 1” thick pattern
for the bushing to work. I will print a hi-res copy of those thumbnails.
Thanks again,
Dale
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post #4 of 16 (permalink) Old 11-03-2017, 08:36 AM
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They generally come in a set. I prefer brass over steel, less likely to leave marks. If you have a Bosch 1617, you'll need two adapters from their bayonet style to use the more commonly found PorterCable threaded type. Stick turned me on the very short sets that leave more of the bit exposed. Many of us use 1/4 MDF to make patterns with and the short versions, but I can't recall exactly where I found them, I think it was Woodcraft. For most pattern work, you will be using the bearing on the bit as your guide, not a bushing. The bearing will ride on the pattern.

The more I do, the less I accomplish.
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post #5 of 16 (permalink) Old 11-03-2017, 09:03 AM Thread Starter
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Thanks Tom, I’ll check them out. All my present and future jobs would put them to use.
Leigh has an insert, pricey, it’s the kind of thing I’d rather make myself.
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post #6 of 16 (permalink) Old 11-19-2017, 02:38 PM Thread Starter
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Ok, I am well bushed now, so how do I stop the wanted title. Have searched all over.
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post #7 of 16 (permalink) Old 11-19-2017, 02:43 PM
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Originally Posted by DaleFiorillo View Post
Ok, I am well bushed now, so how do I stop the wanted title. Have searched all over.
Got a problem PM A Moderator and will fix it if we can!
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post #8 of 16 (permalink) Old 11-19-2017, 03:05 PM
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I can't recall needing the bushings to be as long as they are. I cut mine shorter. If you use a straight bit and a bushing that has the same ID as the bits OD then you are going to cut into the bushing unless everything is lined up perfect and the bearings have no play. And you may need clearance for some of the chips to escape. If you are using an upcut spiral bit then you definitely need some clearance between the bit and bushing.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #9 of 16 (permalink) Old 11-19-2017, 03:13 PM Thread Starter
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I’ll be putting all this advice to work tomorrow, so many thanks. I think my
requests for what to do to end this post were going to the webmaster! I know
I just finally sent a pm to one of the new moderators. I hope my learning
curve is leveling out.
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post #10 of 16 (permalink) Old 11-19-2017, 04:34 PM
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@dale
I removed the wanted part!
We normal never remove a thread,someone down he road my need to ask the same question by using the Community search engine. They could look it up and read your thread to answer their problem.
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