Rolling Of Metals
Cold working and favorable grain flow. figure 13.15 thread-rolling processes: (a) and (c) reciprocating flat dies; (b) two-roller dies. threaded fasteners, such as bolts, are made economically by these processes, at high rates of.Combination rolling mills come with a roller that has a flat and groovy surface. although more convenient, they sacrifice the width of the flat surface. most jewelers prefer a combination rolling mill because they work with different materials. it’s a lot more fitting to sacrifice some width than buy different rolling mills. rolling mill.