What is a crankshaft made of?

Aug 29,2023

The crankshaft is mainly composed of the crankshaft front end (or free end), connecting rod journal, main journal, crank, balance weight and crankshaft rear end flange (or power output end). The front end of the crankshaft is equipped with a crankshaft timing gear, and the rear end is equipped with a flywheel (some engines also have a balance weight).

According to the number of main journals of the crankshaft, the crankshaft can be divided into two types: fully supported crankshaft and non-fully supported crankshaft; according to its structure, it can be divided into three types: integral forging, integral casting and combined type; according to different materials, it can be divided into nodular Both cast iron and steel

The function of the crankshaft is to change the thrust transmitted by the piston connecting rod into a rotating torque, and change the reciprocating linear motion of the piston into the circular rotation of the crankshaft, and then transmit the engine torque to the transmission system through the flywheel; at the same time, it also drives the gas distribution of the engine. institutions and other auxiliary devices.

crankshaft

None!

What is the structure of the crankshaft