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Recommended material for joystick dust washers?

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jasonbar:
Howdy-

Most of my web research on determining dust washer material has revealed custom offerings made from clear acrylic.

I've CADded up some dust washers that I want to get laser cut from 1/16"-thick black plastic.

I see a few promising candidates for materials but wanted to ping you folks to see if you had any experience to share:

1 - ABS
2 - Nylon
3 - Delrin (Acetal resin)

Thanks,
-Jason

Slippyblade:
Email Paradise Arcade.  They just started laser cutting dust washers, they might be able to work with ya.

jasonbar:
Thanks. I've got a local shop that will give me a good price on the cutting (no need for shipping). I'm just looking for recommended material to give to the shop.

Paradise shows acrylic for their green turtle joystick washers.

I'm planning on using McMaster, & their only acrylic is clear, so I'm looking to see what the traditional black washers are made of.

Thanks,
-Jason

drventure:
Here's what I used  ;)



And the thread...
http://forum.arcadecontrols.com/index.php/topic,88515.msg1073324.html#msg1073324

RandyT:

--- Quote from: jasonbar on April 10, 2014, 09:06:00 pm ---I'm planning on using McMaster, & their only acrylic is clear, so I'm looking to see what the traditional black washers are made of.

--- End quote ---

That's the real challenge.  Finding thin acrylic material in colors.  ~1/8" comes in a variety of colors, but the standard dust washer thickness is usually available only in clear from standard outlets.  Specialty suppliers can get black and white acrylic in thinner sizes, but it usually requires a bit of a bulk purchase if you don't want to pay through the nose.

We use acrylic, as it is the most suitable material for our laser.  But standard dustwashers will usually be made from either Nylon or ABS, depending on the manuacturer.  If you plan on having them laser cut, acrylic is the best bet, but ABS might work too, depending on the machine and individual running it.  The issue with ABS is it's low melting point, which can lead to poor finish and heat discoloration.



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