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Thread: My Wooden geared clock
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25th September 2011, 05:34 PM #1Senior Member
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My Wooden geared clock
Been a member of this forum for a while and thought I would share my current project. I decided to make a fully wooden geared clock.....for a 15 year wedding anniversary gift. So here it is. Its a Brian laws design. Since i have access to a CNC machine i have decided to go for it and re-design whatever took my fancy. The frame is purple heart while the gears are white Beech. Been at if for 8 months now. Its now school holidays so i finally get to have some uninterrupted shed time! Hopefully.
Dean.
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25th September 2011 05:34 PM # ADSGoogle Adsense Advertisement
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25th September 2011, 05:47 PM #2
Looks good Dean.
The finished clock should look great!
Cheers, Crowie
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26th September 2011, 02:50 AM #3Member
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Clock
Ain't CNC wonderful? I love mine.
Regards
Joe<style type="text/css"> <!-- @page { margin: 0.79in } P { margin-bottom: 0.08in } --> </style> Politicians are like diapers.
They need to be changed for the same reasons.
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26th September 2011, 04:48 AM #4
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26th September 2011, 11:51 AM #5Senior Member
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Yes it is....unfortunately...
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29th September 2011, 02:43 PM #6GOLD MEMBER
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Dean: get 'er done, boy!
I have had a set of clock plans from 1974/San Francisco. Paper/pasteboard plans.
I have always thought that I could do a wooden build.. . . we have winter coming on here, maybe.
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29th September 2011, 04:22 PM #7Senior Member
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What sort of CNC do you own?
Dean.
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28th October 2011, 08:15 PM #8Senior Member
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Progress
Finally i have made some progress after a hell of week re-designing and experimenting with my orignal design of more than 1 year ago. The final result is great and I now have a blank to cut my gear from. The best thing about the design is that the wheel is almost 100% stable after it is machined up and that is saying something for a gear made from timber! Each of the four pieces have the grain direction at right angles to their neighbour reducing seasonal movement. I will now glue up over the weekend and machine up next week. Here are some pics of the results. The gaps between the bears ears (curly bits) ate .2mm and the gaps between the straight bits on the end are .1mm.Very nice and means almost no gaps! Some what tight to get together! I based my design on the Leigh isoloc dovetail jig.
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28th October 2011, 09:15 PM #9Intermediate Member
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Looks great!
Good luck with the glue.
cheers
rosco
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6th December 2011, 06:59 AM #10
This looks great. Keep the photos coming!
TravSome days we are the flies; some days we are the windscreen
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9th December 2011, 10:42 AM #11Slap Dash
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Wow!
Dean! Love the bear ears, I don't think I've seen them before. Aesthetically pleasing and functional, that's very clever! I hadn't considered seasonal movement in wooden gears before but I suppose that makes good sense when they need to be so fine-tuned. Looking forward to more pictures to see how it all comes together!
Matt.- Matt
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14th December 2011, 09:40 PM #12Skwair2rownd
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Most interesting Dean!
Did you cut the Teddy bears ears with a Leigh Isoloc template?
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17th December 2011, 06:57 PM #13Senior Member
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No...my CNC did those....the smallest the leigh can do are 12mm,.. mine are around about 3mm...
Dean.
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17th December 2011, 10:09 PM #14Senior Member
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Thanks Matt,
Initially i was very excited and cut out all of my gears. I recently found that upon assembly all the 60Tooth ones were warped! So i designed a trisoloc design to join 4 pieces of timber together to cut the gears from. This almost eliminated the side to side and up and down warping caused from this stuff called timber!. Initially I joined all 4 pieces at right angles to each other but have mooved away from this to just joining them so that the grain warpage is not in too many directions. This helps reduce the internal strain when high humidity occurs. Here is a pic of a finished gear. You have to look closely at where the joins are!.The gap between each piece is.1mm. Dean.
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18th December 2011, 09:48 PM #15Slap Dash
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I haven't heard of anyone doing that before--very clever and innovative!
- Matt- Matt
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