On 10/13/2012 12:58 AM, Peter Loron wrote: > I watched the linked video. Can somebody comment on why you would use a > shaper for that work instead of a mill or surface grinder? I'm trying to > understand the purpose of a shaper. > > Thanks. > > -Pete > shaper produce almost no stress in the surface rotary machining ( mills lathes ) create a skin that warps under stress of heat, and unravels with time AGie machine castings ( sinkers, wedm's & edmgrinders) were all shaped, then checked in a heat box for 24hrs ( dunno present day mcftr methods, but true in Losonne when i was there in 80's ) these machines hold micron tolerances becuz every tiny detail was tested the machine tool has to be better than the machined work regards tomp
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