10 fingers
Hot Rolled
- Joined
- Mar 9, 2003
- Location
- Vermont
malleable iron is heat treated cast iron. Chinese had it easily 2000 years ago.
That's news to me. Ever hear of magnesium?
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malleable iron is heat treated cast iron. Chinese had it easily 2000 years ago.
Space cutter and a dividing head is good enough for these, actually.Maybe this is where the choices of shaving, shaping, hobbing or grinding come in?
malleable iron is heat treated cast iron. Chinese had it easily 2000 years ago.
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belt buckles, , pipe fittings, C clamps and many many other items were made from malleable iron long before ductile iron was invented discovered. even regular grey cast iron comes in different grades. the stronger it is the harder to machine.
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lathe gears hard to say what made out off. i have seen zamak or zinc aluminum alloys too. even seen plastic gears on really cheap stuff. of course a high strength heat treated steel is sometimes used for gears too
And to follow on Jims'
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We manufacture thousands of new change gears annually. Both as specials and sets for machines we build. For typical applications gray iron bar is ideal. If using steel, gears must have lubrication.
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