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  1. #1
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    Smile 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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  3. #2
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    crowie is online now Life's Good, Enjoy each new day & try to encourage
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    Looks good Dean.
    The finished clock should look great!
    Cheers, Crowie

  4. #3
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    Default 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.

  5. #4
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    Default

    Quote Originally Posted by 1964deano View Post
    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.
    Excellent workmanship Deano.........wish my woodwork teacher had shown me a CNC......in 1959........still using a fret saw and file set!
    P.S. Is a CNC a government owned flash machine????????

  6. #5
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    Default

    Yes it is....unfortunately...

  7. #6
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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.

  8. #7
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    What sort of CNC do you own?
    Dean.

  9. #8
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    Default 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.

  10. #9
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    Looks great!
    Good luck with the glue.
    cheers
    rosco

  11. #10
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    This looks great. Keep the photos coming!

    Trav
    Some days we are the flies; some days we are the windscreen

  12. #11
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    Dec 2011
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    Default 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

  13. #12
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    Most interesting Dean!

    Did you cut the Teddy bears ears with a Leigh Isoloc template?

  14. #13
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    No...my CNC did those....the smallest the leigh can do are 12mm,.. mine are around about 3mm...

    Dean.

  15. #14
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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.


  16. #15
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    Default

    I haven't heard of anyone doing that before--very clever and innovative!

    - Matt
    - Matt

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