Hi Jim
I think the make patterns for clocks in the scroll saw magizine I have.
A scroll saw would cut thin clock gears fine.
Keith
Deep Run Portage
Back Shop
" The Lizard Works"
--- On Sun, 1/30/11, Jim Holligan <jtholligan@sbcglobal.net> wrote:
From: Jim Holligan <jtholligan@sbcglobal.net>
Subject: Re: [gingery_machines] ShopNotes V20, Issue 115 - cool router jig / lathe.
To: gingery_machines@yahoogroups.com
Date: Sunday, January 30, 2011, 10:10 PM
Use a scroll saw to cut the wooden gears.
jim
--- On Sun, 1/30/11, David Patterson <odd_kins@yahoo.com> wrote:
From: David Patterson <odd_kins@yahoo.com>
Subject: Re: [gingery_machines] ShopNotes V20, Issue 115 - cool router jig / lathe.
To: gingery_machines@yahoogroups.com
Date: Sunday, January 30, 2011, 5:31 PM
If your going to cut by hand here's a gear templet maker for you.
http://woodgears.ca/gear_cutting/template.html
it's all metric but that shouldn't be a problem.
Dave Patterson
odd_kins@yahoo.com
http://home.comcast.net/~oddkins/foundry_home.html
--- On Sun, 1/30/11, David Frantz <websterindustro@mac.com> wrote:
From: David Frantz <websterindustro@mac.com>
Subject: [gingery_machines] ShopNotes V20, Issue 115 - cool router jig / lathe.
To: "gingery_machines@yahoogroups.com" <gingery_machines@yahoogroups.com>
Cc: "gingery_machines@yahoogroups.com" <gingery_machines@yahoogroups.com>
Date: Sunday, January 30, 2011, 4:58 PM
Just a heads up Shop Note issue 115 has a very interesting router jig/lathe described in an article in this issue. I haven't been able to get online with my PC yet, to get the gear making info but they seem to have an easy avenue to wood gears.
This brings up an interesting question, how difficult would it be to make a hob for gears with teeth this large? The idea would be to cut aluminum or wood with the hob. If not a hob maybe a single point cutter? The problem with doing a hob is the pitch which would require interesting gearing on most lathes.
The thought is to try to make the gears with a little more precision than can be had with a bandsaw. Of course the intent would be to use normal home shop equipment. A CNC router would be ideal here but I don't have one of those. Maybe I should build a CNC router instead. The thing I have about cutting them out on a bandsaw is the thought that the gears would end up bumpy.
Interesting an idea just came to mind that if I do one good pattern I could use a router to do a clean up pass. This I need to think about a bit more. It would seem as though the right fixture would turn this into a precision operation.
In any event you gotta love ShopNotes. Their articles really get the inventive juices flowing.
David A Frantz
websterindustro4at4mac.com
Sent from my iPhone.
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