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Author Topic:  DIY coin tumbler  (Read 409 times)

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Offline shaun.curtis.180

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DIY coin tumbler
« on: March 26, 2017, 20:42 »
Here's a tumbler I made out of our dead inkjet printer. Can't remember if I got the idea from this forum or from google.
The build was extremely simple; the frame, rollers, motor and cogs are untouched. I just needed to strip away the rest of the printer, provide power and screw it to a plank of wood.
Just to give my decimals a bit of a clean.


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Offline goldnugget01

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Re: DIY coin tumbler
« Reply #1 on: March 27, 2017, 00:23 »
Have done the same (YTube clip from memory), but one word of advice.....the glass jar can break.  I broke 2 of them, I think its something to do with the vibration frequency of the coins constantly hitting the glass but I did however have half a plastic tube folded in it as well so the coins actually tumbled instead of sliding while the container rotated.  A good alternative is using powerade powder containers, they are a good size.
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Offline mike33

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Re: DIY coin tumbler
« Reply #2 on: March 27, 2017, 00:48 »
I always used glass tumblers, only once did I get  a small hole in one,  After that I just kept an eye on the thickness of the glass.  I built the tumbler myself, could not find a small motor, so ended up using a 1/4 hp motor I had in the shed.  bit of an overkill, could have turned a 44 gallon drum.  
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Offline shaun.curtis.180

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Re: DIY coin tumbler
« Reply #3 on: March 27, 2017, 08:07 »
Thanks Mike, GN01. I was a bit worried about the glass tumbler. The Dolmio jar is all I could find at the time :-) I'll look out for something more durable.
GoldNugget, I'm not sure what you mean by a plastic tube, but I do need something to help them tumble. Maybe some ridges on the inside of the container, though I can't think how I would attach them.
Cheers

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Offline FSH00

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Re: DIY coin tumbler
« Reply #4 on: March 27, 2017, 10:09 »
Some thin rubber to line the inside of the jar should get them to tumble & help stop the glass from breaking ;)
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Offline goldnugget01

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Re: DIY coin tumbler
« Reply #5 on: March 28, 2017, 15:02 »
Yep, as above.....I have some clear tubing that I have sliced through the middle and to a length that is long enough to fold both ends into the container and when you put the lid on it keeps the tube pretty much in place towards the outside of the jar/container and forces coins to flip.  Another option I have seen is to use a bit of selastic and run a couple of lines on the inside of the jar which when dry will do the same thing...but if you use the glass jar without a rubber lining inside to cushion, this extra vibration from the coins flipping is what I have noticed smashes glass jars.
  • Detector(s) owned/used: ML Explorer SE - std DD coil & ML x-terra 70. Coils: std concentric, 10x5 18.75DD, 15" 18.75DD
  • Oldest find: 1912 threepence...make that an 1899 Penny..make that an 1861? German 4 Pfennige. A suss looking (but confirmed) 1830-1837 half crown
Every day is 'Clean Up Australia Day' when you go detecting.

 

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