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ejant

If the project is going to be made multiple times and a template is needed then the use of bushings may be necessary

As fas a large bushing go you'll need a baseplate to accomodate them.

reible

I use guides often, the largest I have is a 1 1/4 OD about the limit for the standard PC guides. I think oak park has a larger dia. set (1 1/2").

Now tell us why we might want a 40mm or 2" guide........

Ed

kp91

I use bushings pretty regularly, ever since I had one project severely damaged when using a top guided pattern bit. The lock collar on the bearing came loose, and the bearing worked its way up the shank and above the template. Guides just seem a little more "foolproof."

They also remove any excuses for taking too big of cuts. Just chuck up a larger OD guide, and you can use the same template, but nibble off the waste.

I do have a favorite 1/2 in flush trim bit that I use a lot as well, just because it cuts so well.

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Doug
1 John 1:9

template tom

Thanks to all who replied
In answer to your question Ed

(1) A greater range of cutters can be used

(2) You have a good chance at seeing the cutter in action

(3) All that waste material will clear more readily without the cutter over heating

(4) ......and the most important reason, Small cutters such as the 1/4" range when in use, the chuck will penetrate through the guide to give the depth required without 'Crimping' that extra bit out of the chuck therefore adding safety awareness to your routing.

There are other reasons for the use of the 40mm but these are the main reasons.

Once the templates are constructed people with impaired vision and even totally blind people can use the method

With the use of the guides I have produced projects that was omce considered only possible with a CNC router
Tom

template tom

Tried to send a posting with answer unable to send This is only a trial before I submit my answer or you could email me
Tom

reible

I was thinking about this subject when an idea came to me. I have not done this and maybe it will not work but then again it might.

Make a new sub-base then when you make the holes make them the size of the a piece of 2" or what ever PVC pipe. You might want to use 3/8" thick materal then have the pipe inset 1/4". make the PVC just short of a 1/2" then glue it in place.

If you make this let us know how it worked, I might want to make one too. Of course detail of what you did would help.

Ed

BobandRick

This is great stuff!!! But, shouldn't this be in router forums/portable routing, maybe?

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Rick and Bob
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reible

Anyone know how to move threads?

any one any one at all?

I sent mail to Mark so we will see what happens.

Ed