casting technologies Flashcards
what are the 4 types of casting
sand casting, shell mounting, investment casting, die casting
what is ingot casting
relatively simple csa shaped ingots - steel and Al
what is continuous casting
molten metal continuously solidified into ‘semifinished’ products
what is shape casting
complex shapes
what are expendable mould processes
mould which must be destroyed to remove casting. can be made of sand, plaster, similar materials
what are permanent mould processes
permanent mould which can be used to make many castings. made of metal.
what types of casting are expendable mould
sand casting, shell moulding, investment casting.
what types of casting are permanent mould
die casting, pressure die casting
advantages/disadvantages of expend. and perm. moulding
intricate geometries possible with expendable.
permanent mould more economic for high production operations
