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post #1 of 9 (permalink) Old 03-24-2010, 09:05 PM Thread Starter
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Default Routing with templates

I get the basic idea...I've made a pattern from 3/16" masonite and was thinking I would use my guide bushing to guide the router against the pattern and clean up a rough cut arch (pre-cut to rough dimension with a sabresaw). Problem: The guide bushing sticks down below the pattern, so it will actually interfere with the workpiece, even with carpet tape in between. Is the solution to stick spacers between the pattern and the work to acheive the necessary clearance? Seems a bit risky. Is my pattern too thin? The guy suggesting a 3/4" thick pattern doesn't account for how a bit with a 1" cutting length can extend the inch and a half out of the router necessary to trim a 3/4" workpiece and still be held securely in the chuck. Suggestions?
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post #2 of 9 (permalink) Old 03-24-2010, 09:25 PM
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Hi Andy

3/16" thick templates are bit to thin, stick with 1/4" thick min.or 1/2" thick,MDF works well for most of your templates you can fine sand it easy and it will hold the pattern for a long time, if you have a pin nailer (23gage) you can put the tape back on the work bench and forget about,3 or 4 LITTLE nails and it's locked in place.

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Originally Posted by sawdustftsplk View Post
I get the basic idea...I've made a pattern from 3/16" masonite and was thinking I would use my guide bushing to guide the router against the pattern and clean up a rough cut arch (pre-cut to rough dimension with a sabresaw). Problem: The guide bushing sticks down below the pattern, so it will actually interfere with the workpiece, even with carpet tape in between. Is the solution to stick spacers between the pattern and the work to acheive the necessary clearance? Seems a bit risky. Is my pattern too thin? The guy suggesting a 3/4" thick pattern doesn't account for how a bit with a 1" cutting length can extend the inch and a half out of the router necessary to trim a 3/4" workpiece and still be held securely in the chuck. Suggestions?



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post #3 of 9 (permalink) Old 03-24-2010, 09:30 PM
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Some router guide sets have guides that protrude at various lengths. Like in my set the 1/8" guide produdes around 1/8" while the larger guide protrude up to 1/2". Decide what thickness of template material you like to use, for instance 3/8", and then grind all of your guides down so that they all protrude 3/8" or less. Or the same if you use 1/2" material grind them to 1/2" or less, etc.
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post #4 of 9 (permalink) Old 03-24-2010, 09:45 PM
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Andy, if you glue two pieces of masonite together to make the pattern 1/4 inch thick your problem will go away.
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post #5 of 9 (permalink) Old 03-25-2010, 12:59 AM
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Andy, I would never recommend templates less than 3/8" which is ideal, thicker is no problem.

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post #6 of 9 (permalink) Old 03-25-2010, 01:05 AM
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Andy, welcome to the RouterForums. Glad you signed up.




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post #7 of 9 (permalink) Old 03-25-2010, 01:40 AM
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Greetings Andy and welcome to the router forum. We are pleased you have chosen to join with us.

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post #8 of 9 (permalink) Old 03-25-2010, 05:40 AM Thread Starter
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Thanks for all your suggestions...it's good to have affirmation of some of the possible solutions that occured to me, especially the radical one about grinding down the nose of the guide bushing. Now I know at least one person won't laugh at me if I go that route. Seems a thicker pattern is the wisest course of action.
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post #9 of 9 (permalink) Old 03-25-2010, 09:22 PM
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Thats not a radical solution. If you work with 3/8" pattern material then there is not other option available but to grind down the 1/2" long bushing. I just wish I could stretch out the little bitty short ones. Not THAT would be radical
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