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DragonMaster 20th November 2005 12:04 AM

Rebuilding plastic parts?
 
There is a broken tooth on a plastic gear of my PlayStation's transport. Anyone knows what I can use to rebuild it?

I was thinking to make a mold with the other teeth, turn the gear and fill something inside. Now the problem is -what- do I put in there. I know that normally crazyglue and plastic powder works but there will be a mold in there and I don't have any plastic powder.

Nordic 20th November 2005 04:26 AM

Use superglue mixed with baking soda... my dad used it for years to fix old cheap watches where the strap pins tended to break the pin hole away... the soda stops the glue from melting the plastic.

Maybe fill the whole missing area and just use a small file to shape it... shouldn't be that hard to get a reasonable tooth.

peace brainerd 21st November 2005 12:14 AM

Wouldn't a little 30minute epoxy filled with chopped nylon or fiberglass
be the ticket? both are pretty readily available.

Plastic gears are often made of self lubricating, very difficult to bond to,
nylon or polyethylene - like the bottle that superglue comes in. You might have some luck seriously roughing up the exposed surfaces or drilling a lot of tiny holes into it.

eddie budd 3rd June 2013 05:00 PM

Any update on methodology of rebuilding nylon,plastic teeth.
Thanks. I have worn nylon teeth in a window winder. Worn in the middle but outer edges will help to form a mould template, I think?

Enzo 3rd June 2013 11:02 PM

Or take the real part from a dead unit.

Magz 10th June 2013 01:46 AM

3D printer. If it can make a working gun it can make a gear.

JoeDJ 13th June 2013 07:25 PM

I saw on the news today that Amazon will start selling 3D printers starting at about $1,000 US.


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