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Old 4th March 2009, 05:34 PM   #1
edd9000 is offline edd9000  United States
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Default My Record cleaning machine

First post here, go easy on me, ive been finding this forum a wealth of information.

This is my loricraft/keith monks style record cleaner:

http://www.youtube.com/watch?v=Wqll7_J63G0

Its still very much in prototype phase, but its fully working.

I made most of it myself, i can post further pictures of the details if anyone is interested, they have been posted on a couple of other forums i lurk on.


edd
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Old 4th March 2009, 08:24 PM   #2
dario54 is offline dario54  Israel
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Nice, maybe just a little bit noisy, but a nice project...

Pls post more pics.

How come that u decided to make it working from inside out??

Keep on and good job!!
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Old 4th March 2009, 11:17 PM   #3
edd9000 is offline edd9000  United States
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Here are some pictures at various levels of construction:

Click the image to open in full size.

The whole unit. I turned the central bearing housing, spindle and acrylic platter on my lathe.

Click the image to open in full size.

This is the 70rpm gear motor on its mount.

Click the image to open in full size.

Close up of the central spindle.

Click the image to open in full size.

This is the teflon nozzle turned from a blank piece of rod stock.

Click the image to open in full size.

The arm in its current state. I need to solder the brass pipe on rather than use zip ties, but its functional.

"How come that u decided to make it working from inside out??"

no reason, the keith monks works like this. Since the arm is driven from a micro controller, i could make it go either way.

I dont have any pictures of the arm lift or the rotation system yet. Ill take some soon.

Its mostly made of materials i had on hand. The vacuum pump was just something i had spare, its extremely noisy. It should be better when i have a diaphragm pump.

I hope to dress it up in a nice steel topped hardwood box.

edd
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Old 5th March 2009, 04:36 AM   #4
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Default Hey that is top quality

Hi there.
Man there are some gifted geeks in this forum (it is a compliment) and when you finished I would love to try and build this... when you say the arm is micro controlled .. how do you mean?
Good luck with this, it truly looks great
Nick
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Old 5th March 2009, 01:55 PM   #5
edd9000 is offline edd9000  United States
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Both the keith monks and loricrafts drive the arm across the lp with a small verly low rpm motor. You can see how it works here :

video of keith monks

the arm on the keith monks is driven by a belt, which alows slip so the arm can be possitioned. The loricraft couple the arm to the motor via a magnet.

I didnt realy like either solution. so im using a small microcontroller called the arduino, im using this to automate 2 servos usualy used in rc aircraft, cars etc. The arduino looks for a switch to be thrown, then it cycles the arm.

hope that is clearer.

edd
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Old 5th March 2009, 02:38 PM   #6
edd9000 is offline edd9000  United States
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just noticed i got the link wrong to the video, try again.

video

edd
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Old 5th March 2009, 05:54 PM   #7
edd9000 is offline edd9000  United States
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here are some photos of the arm mechanism.

the arm and lift:
Click the image to open in full size.

the arm is freely removable (other than the pipe and thread tangle), you can see the gear on the end of the shaft, this has some slip so the arm can be repositioned:
Click the image to open in full size.

the hole with the driving servo:
Click the image to open in full size.

the lift and rotation servos with the basic lift linkage:
Click the image to open in full size.

edd
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Old 5th March 2009, 09:05 PM   #8
nhuwar is offline nhuwar  United States
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What size of vacuum pump did you use, sounds like a big one?


Nick
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Old 5th March 2009, 09:13 PM   #9
edd9000 is offline edd9000  United States
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Quote:
Originally posted by nhuwar
What size of vacuum pump did you use, sounds like a big one?


Nick

The one im testing with is huge, but its designed for high flow low vacuum so as soon as there is any vacuum, the flow plummets. It was just a scrap pump i had in the workshop.

The size to aim for seems to be 0.5-1cfm with 20"hg vacuum, i have just won one on ebay for $55. look for a diaphragm or oilless piston pump.

edd
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Old 5th March 2009, 09:17 PM   #10
nhuwar is offline nhuwar  United States
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I bet it won't be as efficient though LOL. I want to make a record cleaner soon so I will pay close attention to your thread




Nick
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