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Material for large pulley

January Project of the Month [3]
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Ulma Doctor

Infinitely Curious
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Feb 2, 2013
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#34
i was just looking through the grainger catalog.
they have many fixed bore pulleys of cast iron, zamak, and glass reinforced nylon
a fixed bore pulley will be sufficient for your needs
you'll probably want an A belt(4L) pulley
 

Desolus

H-M Supporter - Premium Member
H-M Supporter-Premium Member
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Apr 27, 2017
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#35
Yes and another opportunity to acquire more tools! Whoever dies with the most tools wins! :)
Yup...

If I were going to do it I'd cast a blank, but then I'm set up to do not only casting, but to alloy metals and to heat treat those alloys in an inert gas oven. The tools are pretty cheap, a wooden box and some casting sand for cheaper material like steel and aluminum. ... A wax pump and investment for the centrifugal casting machine mounted next to my bench grinder for things like gold, silver, platinum etc. (you'd think I'd have made a shield for it already given that if a mistake is made there's molten metal flying around the room at waist level...) I wish I could afford a large vacuum casting machine, those things are sweet.
 
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