Gear plastic

I usually try to fix a vacuum cleaner hose near the cut.
 
Garolite can come in different forms. They appear to be composite materials, with different kinds of reinforcement fibers plus the phenol-formaldehyde resin. Some are reinforced with fiberglass, which would be fairly abrasive. And probably not the nicest when it comes to generating abrasive dust that could get on your machines or into your lungs.
 
Interesting info about phelonics but what kind of plastic are mini lathe gears made from. I somehow assumed it’s nylon. Is that correct?
 
fcs said:
Interesting info about phelonics but what kind of plastic are mini lathe gears made from. I somehow assumed it’s nylon. Is that correct?
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Could be nylon but my guess would be delrin.
 
The plastic gears McMaster sells are either acetal or nylon. Nylon will be stronger

Some folks have had success with 3D printed gears. Nylon is reportedly difficult to print so they probably weren't using that.
 
Just to throw a kink in the recommendations, I input what I personally have done. I run a 12 inch Craftsman/Atlas (101.27440) and a Grizzly 9 X 19 Asian machine. I have made change gears for both machines, using a white plastic cutting board from Waly World. I don't know the plastic but it has held up sufficient for my use.(very little) I don't know how they would hold up for power transmission, I made change/threading gears. The Craftsman has 16 DP gears, the Grizzly has Modulus 1 or 25.4 DP.

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Bi11Hudson said:
I don't know the plastic
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Most likely UHMW, ultra-high molecular weight poly-ethaline. We sometimes resurface the commercial cutting boards or make new ones for grocery stores or restaurants. We also made new sled runner covers for the transport sleds used in Antarctica & tooling boards for the railroad out of the same stuff. Machines easily, tough but pretty flexy. My first choice would be phenolic for gears.
 
homebrewed said:
The plastic gears McMaster sells are either acetal or nylon. Nylon will be stronger

Some folks have had success with 3D printed gears. Nylon is reportedly difficult to print so they probably weren't using that.
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Nylon isn't hard to print if you have a heated enclosure. Its just hard to print with most peoples open 3D printers.

Nylon is the most common for gears

Acetal, aka delrin, is a little weaker but probably the nicest material on earth to machine.
 
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