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Technology of Balance Shaft

Oct 20, 2017

The balance shaft technology is a widely used technology in motorcycle engine. Its structure is simple and practical, it can effectively reduce the motorcycle vibration and improve the comfort of driving. 

In order to eliminate vibration, there are many methods, such as using lightweight piston to reduce the quality of moving parts, improving the stiffness of crankshaft, using V angle 90 cylinder arrangement engine and so on. But the common way to use the motorcycle engine is to add a balance shaft to solve it. The balance shaft is simply a shaft with eccentric heavy blocks and rotates synchronously with the crankshaft. By using the inverse vibration force produced by the eccentric weight block, the balance of the engine is obtained and the vibration of the engine is reduced. Figure circle is with balance shaft engine.