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The Role of Jaw Crusher’s Flywheel

Jul 24 2014

There is a flywheel fitted at each ends of the jaw crusher. To simplify the structure of the jaw crusher, one of the flywheels always is used as the power transmission pulley. So why is equipped with a flywheel on the jaw crusher? This article will explain the role of jaw crusher’s flywheel.

1. The flywheel can make the motor’s load even.

Because the jaw crusher is a intermittent work machine, its operation will inevitably lead to some resistance changes, uneven load of the motor, and the fluctuations of the mechanical rate. In order to reduce the nominal motor power, and the fluctuations of the mechanical rate, so a flywheel is installed on the eccentric shaft. The flywheel stores energy when it does not crush materials, and releases energy when it works with load.

2. The flywheel can balance jaw crusher’s operating inertial forces

Jaw crusher’s jaw plate and connecting rod can product inertia force when the machine is running. Such inertia force will cause a dynamic pressure which will increase the wear of the deputy campaign, and affect the strength of the components, reducing the efficiency of the machine. Besides, because of the cyclical changes in the size and direction of the inertial force, the machine will vibrate and eccentric shaft will rotate unevenly. In order to eliminate these harmful effects of the inertial force, the counterweight is typically placed on the flywheel and the pulley. It is placed at a opposite position of the eccentric portion of the eccentric shaft.

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