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Old 16th May 2003, 10:55 PM   #1
lgreen is offline lgreen  United States
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Default Mechanical Gears, where to buy cheap?

Where can I buy some gears to use with my control shafts (balance, vol., etc....)?

Here is what I would like to find, but cannot figure out where to go to get (pictured below):

Nice metal ones with locking or set screws would be ideal, though I could live with plastic or nylon. So we are talking about maybe a 1 or 2 inch diameter at most. In other words, where is the mechanical equivalent of digikey? Also, how much would these cost?

- thanks in advance.

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Old 16th May 2003, 11:17 PM   #2
lgreen is offline lgreen  United States
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Default dohhh!

Obviously, I could get something like this from the very web site indicated above. Price is something like $11.00 each with 8 week lead time. I would guess that I could get something similar for $2 elsewhere and faster. Help!
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Old 16th May 2003, 11:59 PM   #3
SY is offline SY  United States
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Did you try McMaster Carr?
"You tell me whar a man gits his corn pone, en I'll tell you what his 'pinions is."
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Old 17th May 2003, 12:31 AM   #4
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Originally posted by SY
Did you try McMaster Carr?
That's what I was going to recommend (along with Small Parts, Inc.) until I saw that $11 was too expensive and he's hoping to pay $2. Unless he manages to find something at some sort of surplus store, or finds something at a thrift store that he can take apart and salvage a gear, I don't think he's going to have much luck.

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Old 17th May 2003, 12:40 AM   #5
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Default More links (check under power transmission)

Why do you want metal and not plastic?

For applications without a lot of torque, plastic can be ordered a little "tight" to avoid backlash and will provide smoother operation due to the "flex" in the material. Plastic is also more easily press fit so no set screw to loosen over time. Check out different plastics like delrin, abs, or polyethylene (low or high density).

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Old 17th May 2003, 02:05 AM   #6
lgreen is offline lgreen  United States
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Default Great ideas- thanks.

Thanks everyone, these are great suggestions that I would not have found on my own. Even if they are a little steep on the price that's ok with me. Keep the ideas coming. Thanks very much.

note- no real preference for metal other than it looks like its higher quality.
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Old 17th May 2003, 04:17 AM   #7
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If you are driving a couple pots or reverse a lot, you may want to consider anti-backlash gears...

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Old 17th May 2003, 04:37 AM   #8
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Igreen....2 bucks will get you 2/3 of 5/8....old pun
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Old 11th March 2013, 11:13 PM   #9
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Default Sorry I'm a bit late to the party


I do realize this is an old topic, but I figure if I found it, others likely will also.Recently, I took 3 retired laser printers apart. I salvaged:
  • over 60 gears
    • 4 rack & pinion sets
    • quite a number of compound gears
      • some have two pitches
    • 2 internal gears
    • many, many spur gears
    • quite a few helical gears
  • 4 stepper motors
  • a couple dozen stainless rods
  • several aluminum tubes
  • beau coup tiny screws
  • many rollers
  • capacitors
  • heat sinks
  • wires
  • connectors
  • lasers
So, now you know what to do with that/those old printer(s) you couldn't bear to part with.
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Old 12th March 2013, 05:40 AM   #10
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And you will also find a magnetic roller if u had done the cartridge.

Gajanan Phadte
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