Re: McCormick Farmall Question

Posted by Janicholson on July 25, 2006 at 13:33:08 from (199.17.6.122):

In Reply to: Re: McCormick Farmall Question posted by Mike CA on July 25, 2006 at 13:05:05:

A casting is a component that is made in a mold by pouring hot metal into the mold and letting it cool to solid. Most farmalls are constructed from castings (grey cast iron) The only parts of the structure (on an H cause I know you are interested in them) is the front frame rails which are channel iron (rolled to shape when red hot, not molten. The engine block and head, waterpump, torque tube (clutch housint to trans tunnel, transmission housing, final drive housing, tranny cover/platform and rear axle housings are all cast grey iron.
on an airplane there is limited use of iron. aluminum and magnesium are both often cast. Fuel injection regulator systems on military craft are often castings. If they are grainy looking on the outside, they are usually made in sand molds. if shiny and smooth, they are called diecast. diecasting uses a permanent reused mold to contain the melted metal. I hope this clears up the definition of casting (metals). Plastics can also be cast from liquid into solid in molds. JimN

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