Cam (for cam shaft)

-           NEP’s products are produced by Powder metallurgy manufacturing process.

-           Powder metallurgy manufacturing process: Process of filling metal powder of which average particle size is 100㎕ in a mold having a shape of desired part, molding with a press, and sintering at the metal melting point or less.

Depending on the location of the camshaft, the cam operates the valves either directly or through a linkage of pushrods and rockers. Direct operation involves a simpler mechanism and leads to fewer failures, but requires the camshaft to be positioned at the top of the cylinders. In the past when engines were not as reliable as today this was seen as too much trouble, but in modern gasoline engines the overhead cam system, where the camshaft is on top of the cylinder head, is quite common.