Dowels and dowel holes - Page 2 - Woodworking Talk - Woodworkers Forum
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post #21 of 27 Old 02-23-2016, 04:13 PM
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I write CNC programs for European machinery at work, so I'm constantly going back and forth between imperial and metric measurements.

Consequently though, it's also how I know for a fact that a joinery dowel should be an exact fit for the hole it sits in if it is to be effective.
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post #22 of 27 Old 02-23-2016, 08:52 PM
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Quote:
Originally Posted by Steve Neul
What is 1.5mm in inches though.
Who cares?

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post #23 of 27 Old 02-24-2016, 07:52 AM Thread Starter
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Thanks for the answers.

Last edited by Golgatha; 02-24-2016 at 09:11 AM.
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post #24 of 27 Old 02-24-2016, 08:05 AM
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You could use a thick epoxy glue or gorilla glue expands however leaving a 1/32" air space around a dowel would be a week joint. The glue is just suppose to bind the wood together. A plastic such as glue doesn't have enough strength to do the job.
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post #25 of 27 Old 02-24-2016, 09:04 AM Thread Starter
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What we need is a glue that expands as it dries. In that way some wiggle room to start with wouldn't compromise the project. Maybe such glue already exists, but I don't know it.
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post #26 of 27 Old 02-24-2016, 09:57 AM
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Quote:
Originally Posted by Golgatha View Post
What we need is a glue that expands as it dries.........
An expanding glue could present new problems of its own.
Epoxy is the main solution to most adhesive problems. Unlike most adhesives that are made to stick 2 things together and dont really have any strength of their own, such as in bridging small gaps, should not be used to fill gaps.
Epoxy is very strong, not only as an adhesive but also strong on its own and is quite often used to fill small gaps. When I had my woodworking business, I used it a lot in furniture repairs. Even at over $100/gal. it was worth its weight in gold. I used to buy it in 5 gal. kits. Will solve a lot of problems, especially when alignment of dowels are nearly impossible. Also note that most epoxies will not shrink while curing.

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post #27 of 27 Old 02-24-2016, 10:36 AM
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What we need is a glue that expands as it dries. In that way some wiggle room to start with wouldn't compromise the project. Maybe such glue already exists, but I don't know it.
Wiggle room will compromise most projects, the dowels are there primarily to align the parts as well as connect them.

If you don't care about precision use Gorilla Glue, it will expand.

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