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Old 15th November 2017, 01:41 AM   #247
Hotspur
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Join Date: Jul 2009
Location: Nipmuc USA
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Quote:
Originally Posted by urbanspaceman
I have come up with a design for a machine that can roll hollows into a tapering length of red-hot steel; even one wide and two narrow hollows if required. If I had the right software I could draw it, but alas...
I keep going on about the waste of grinding, but this machine could first roll the majority of the hollow, then grind true, then polish, just by changing the wheels and the speed. Including the Colichemarde!
Rolling mills come in during the industrial revolution. Why it took steam to develop it before water wheels, I am not sure but it also goes hand in hand with increases of the production of all metals. Ordinary tableware also becoming more regular items.

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