Cam Shaft

What is an Engine Cam Shaft and How Does it Work?

Probably, you are thinking that what is a cam shaft and why it is for. The shaft of your engine to which cam is connected as an integral part is known as the cam shaft. Basically, cam shaft is made of cast iron. Chilled iron casting process is used industrially for high volume production.

As a matter of fact, the `cam shaft aids to control engine valves for proper charge and exhaust flowing. Practically, the connection between cam shaft and crank shaft varies from engine to engine. The cam shaft is connected either directly with the crank shaft or via gear arrangement. You could also find your engine cam shaft connected with the crank shaft via belt or chain mechanism.

Practically, direct connection and chain-sprocket arrangements are more efficient than gear or belt mechanisms. Due to high wear and tear, gear arrangement has become unusual in auto industries. You may find some vehicles using cam shaft to drive the power steering pump.