Router cut wood gears - Router Forums
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post #1 of 18 (permalink) Old 11-02-2016, 03:45 PM Thread Starter
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Default Router cut wood gears

I am looking to cut wood gears as decoration similar to paper templates attached - comments would be appreciated.

Regards

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post #2 of 18 (permalink) Old 11-02-2016, 03:56 PM
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Ask Oliver. He's cut lots of them for his projects.

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 #3 of 18 (permalink) Old 11-02-2016, 04:26 PM
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Never done gears, but have done lots of complicated routing. I'd just glue the paper down, and carefully cut it out, which is what I normally do when making my masters. Then you can use that and clone as many as you want.
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post #4 of 18 (permalink) Old 11-02-2016, 04:50 PM Thread Starter
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Hi - JOAT thanks for the info.

Regards

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post #5 of 18 (permalink) Old 11-02-2016, 08:21 PM
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I usually cut my gears on a scroll saw although you could cut yours very quickly on a bandsaw. You don't show a central shaft hole but if you add one you can then use it as a pivot point to sand the gears into a perfect circle on a disk sander after you have cut the teeth. Or use the central shaft hole to cut the circular shape with a router and then cut the teeth on the bandsaw or scroll saw. I haven't found a good way to cut my gear teeth with a router.

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post #6 of 18 (permalink) Old 11-02-2016, 08:54 PM
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Quote:
Originally Posted by Gaffboat View Post
I haven't found a good way to cut my gear teeth with a router.
Dunno if I do it a 'good' way, but works for me. Almost everything I do, the first thing I do is make a really nice master - that way I can rout nice copies. Never done gears, but other projects just as complex. Way I would do them, is make a 'perfect' master. This could mean just one gear tooth, and likely would, I'm not that good. I'd cut a round circle, tack my master down, and rout the one tooth. Then I'd loosen the nails, carefully line the master for the next tooth, tack down, rout, and repeat until all the teeth are done. A bit time consuming, and a bit of a PITA to do, but you get teeth that are all the same. And if I planned on making more, I'd glue the finished gear down, then using the finished gear, rout it out, so I'd wind up with a 1" thick master (I use 1/2" plywood), then I could turn out as many identical duplicates as I wanted. Of course, if you wanted a different size gear, you'd have to go thru the whole drill again. I always scrollsaw something like that out just a hair large, then sand it to the final shape. It all works very well for me, not sure how it will do for someone else - I do tend to do somethings different from other people, but on the otherhand, I am the only one that needs to be happy with the finished product.
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post #7 of 18 (permalink) Old 11-03-2016, 08:39 AM
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Dave, I made plywood gears for my gear driven rope machine by sticking a pattern on the plywood , then cutting them out with a band saw and finishing with a file and sandpaper. That project peaked my interest about how patternmakers made patterns for casting larger gears...which I found to be extremely complicated. This is my result of a wall decoration 2" thick teeth and 22-1/2" in diameter.
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post #8 of 18 (permalink) Old 11-03-2016, 10:41 AM
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I believe some people drill holes at the bottom between the teeth and then cut with a saw. Matthias uses wooden gears a lot, he must have some info on his site: Woodworking for engineers but I believe he uses a band saw.
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post #9 of 18 (permalink) Old 11-03-2016, 11:05 AM
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Quote:
Originally Posted by pinehunter View Post
I am looking to cut wood gears as decoration similar to paper templates attached - comments would be appreciated.

Regards

pinehunterAttachment 241130


Dave...how big do you need the gears...? Typically, you would drill holes concentrically on a piece of wood. Then by slicing through the center, as in making a smaller circle, it leaves half holes looking like gear teeth. Some sanding is required...

Now if your gears are large, bearing guided bit, template, etc...

In any event, take a look at this

Nick

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post #10 of 18 (permalink) Old 11-03-2016, 02:12 PM
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Two words for you:
Matthias Wandel

Otis Guillebeau from Auburn, Georgia
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