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Thread: My Wooden geared clock
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25th September 2018, 08:07 PM #481
I'm glad you and you friend John know what you've done with all those bits and wires Dean...
I just want to see the finished clock in all its glory working and your wall...
Cheers, Peter
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25th September 2018 08:07 PM # ADSGoogle Adsense Advertisement
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25th September 2018, 11:20 PM #482Senior Member
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[Me too. Can almost see the end.
Dean.
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9th October 2018, 08:41 PM #483Senior Member
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Hi everyone. Just a quick update. I have just spent 60 hrs+ over the last week to implement the final improvements. The whole clock had to be dismantled and separated from the back board to enable the installation of the wiring in the back of the backboard (eg reed switches and hall sensors), installation of the motor and clutch and wiring harness, replacement of all the drums (which the gears are bolted to), installation of the new lower electronics housing, and replacement of the old escarpment which i accidentally broke one morning at 2am! Next up is a visit from my friend John to re-sort out the wiring and to test the hall sensors working.
The clock is now happily ticking over and am so relieved that the clock train is capable of turning over the chain and magnetic clutch proving that the basic concept actually works.
Pictures......
First pic shows the complete chaos of the pulldown. Second pic shows the routered groves for the upper reed switches and lower hall sensors. Third pic shows the 3d printed housing for the hall sensors. Just love using the 3d printer to create custom housings for components.
Pic 4 shows the reed switches hot glued into the timber housing. Pic 5 shows the new lower electronics housing with the preliminary plumb in of the wire looms. Pic 6 shows the 3d printed mount for the Arduono uno. Pic 7 shows the new gears drums being turned. I have found it best to rough out with the 3 jaw on a metal lathe and mount on a brass rod to ensure that they run true. Pic 8 shows the wiring of the motor loom using 8mm braided stainless steel sheath. The final product looks great. Pic 9 shows the main shaft and a 2mm bush that had to be soldered on to prevent the bush rubbing on the bearing case rather than the inner race bush. Pic 10 shows the current state of the wiring. Pic 11 shows the installation of the magnet to activate the hall sensor. The magnet had to be housed in a 3d printed housing to force it to mount flush with the outside of the steel casing. More later. And now for some zzzzzzzzzzzzzzzzzz
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11th October 2018, 07:26 AM #484
Dean, That chaos looks the stuff of nightmares.....
Yes I was, am impressed with the clock build but now to make sense of all that wiring and electronics along with the reassembly of the clock is a huge credit to you sir!
Well done for you patient persistence. Cheers, Peter
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20th October 2018, 09:19 PM #485Senior Member
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To tired to write much but here is a video of the results of the last week and last 7 years work......oh that storm we had tonight managed to help blow the second Arduino circuit! Oh well just replace with another and away we go. The winding is a bit clunky but we are going to adjust the code help sort that out.
Dean.
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21st October 2018, 10:26 AM #486
Dean, You are certainly a patient man to ensure this masterpiece is completed.
Well done sir, cheers Peter
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16th March 2021, 05:49 PM #487Senior Member
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its been a while
Hi everyone. Its been a while.
Life took over and my clock has been sitting idle for a while. But life has its own rhythm and today I started my clock for the first time in maybe 2 years. I have spent a lot of time mounting my stepper motor and ensuring i had a way of fine tuning the height of the motor in relation to the magnetic clutch and the chain it drives. ! That works well. I ran into issues when I added the stepper motor and chain to the clocks drive train in that it needed some additional weight. Just when i thought that i was finished with the weight boxes.
Anyway I will fix the stepper motor properly as it is just sitting on the cross member and will get loose once the motor is activated by the weight box magnets. The wiring and stepper motor needs a cover and that will just about do it.
More soon.
Pic 1 the big view...
Pic 2 the stepper motor sitting on its 3d printed housing
Pic 3 2 300g weights on each weight box.
Dean.
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16th March 2021, 05:59 PM #488
Wow Dean, One could have thought you’d forgotten the clock in the past couple of years,
but a real labour of love & patience after 10yrs in the making.
Cheers Peter
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13th April 2021, 04:29 PM #489Senior Member
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Need CNC help
Hi Boys,
I need to find someone to machine the file I have attached. It will mount the stepper motor to the bottom rail of my clock. Russel did my last job in alley billet but I seem to have lost contact with him. I have 3d printed one as shown in the picture.
cheers
Motor slider design v2.jpg
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30th April 2021, 03:12 AM #490Senior Member
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Still alive there old boy?
Deano
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13th April 2022, 01:07 PM #491Senior Member
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Ye s I am still alive. Due to covid I will be making some progress mounting my clock motor. The frame will be made from some alley plate. I did get a quote but that was too expensive at $650 from a billet. More soon.
Dean.
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14th April 2022, 07:24 AM #492GOLD MEMBER
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This is a work of art, brilliant. Well done.
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23rd April 2022, 06:12 PM #493Senior Member
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I only hope this work of art will function as a clock! After the shock for the quote of the cost of the stepper motor mount from a single piece of alley, i decided to make it from 3 parts. I purchaes a piece of alley flat bar 1000x50x12mm for $35.
At least that way if the design needs changing, i wont be up for a $600+ cost. Shown below is the base of the motor mount. Its rough but relatively cheap to make. The sides have been done and i plan to assemble them into 1 piece this week. The real challenge is to reduce the width to 41.5is by hand. I plan to cnc out a piece of concrete form ply, screw it onto the flat bar and router it down to size using a flush cutter. This will take some time but hey that's what hobbies are for!
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8th May 2022, 07:03 PM #494Senior Member
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Stepper motor mount progress
Hi everyone. Finally assembled the stepper motor mount.
The fit around the timber mount is almost perfect. I designed the mount to have adjustments in several ways.
The first pic shows the horizontal adjustment. Not much travel here is needed
The second pic show the height adjustment. Again not much adjustment is needed but is really important to be able to adjust the slack in the chain and cog.
The third picture shows the pitch adjustment at the rear of the stepper motor. This allows you to adjust how parallel the motor is to the timber mount on which it slides on. This adjustment can fine tune how perpendicular the drive gear is to the drive chain. A really important feature.
Hopefully I will reconnect this week and see how it works.
Dean.
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14th May 2022, 10:01 PM #495Senior Member
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Hi every one. Another quick update.
Today I finished machining out the pieces to make the cover for the electronics housings.
I am a little out of practice with using this method as it has been several years since I did a trisoloc joint.
I find it funny that I have to use a lump hammer to assemble the pieces to form 1 blank, considering the width between the pieces is a little .2mm wide!
Any way it is all glued up and tomorrow I will machine the final outline which includes the housing for the magnets.
more soon.
Dean.
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