Ej25 2.5L 4 Rotor Boxer Engine Crankshaft

The function of the crankshaft balance weight (also known as counterweight) is to balance the rotating centrifugal force and its moment, and sometimes to balance the reciprocating inertial force and its moment. When these forces and moments balance themselves, the counterweight can also be used to relieve the load on the main bearing. The number, size and placement of the counterweight should be considered according to the number of cylinders of the engine, the arrangement of the cylinders and the shape of the crankshaft. The balance weight is usually cast or forged together with the crankshaft, and the balance weight of a high-power diesel engine is manufactured separately from the crankshaft, and then connected together with bolts.

To put it simply, the function of the 4 rotor crankshaft is to convert the linear reciprocating motion of the engine piston into rotary motion, and output the power uniformly. It is the core component of the engine!

The ej25 2.5L crankshaft of the car engine is so wear-resistant because it is made of ductile iron and steel. Due to the good cutting performance of nodular cast iron, a more ideal structural shape can be obtained, and various heat treatments and surface strengthening treatments can be carried out like steel crankshafts to improve the fatigue strength, hardness and wear resistance of ej251 crankshaft.

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