Balance of Rotor of Impact Crusher in Quarry2019-07-03

Summary:The rotor of quarry counter-breaking equipment is a component with high rotating speed and high quality. Balance problem is very important. Now let's look at th

The rotor of quarry counter-breaking equipment is a component with high rotating speed and high quality. Balance problem is very important. Now let's look at the balance problem of the rotor of quarry counter-breaking equipment.

When the rotor rotates, the counterattack plate extends radially to all sides under the action of centrifugal inertia force. Material blocks entering quarries to counterattack breaking equipment are broken by counterattack plate heating strike. Material smaller than the grate seam is discharged downward through the grate seam. A small number of material blocks which have not reached the required size are still left on the screen surface and continue to be impacted and grinded by the counterattack plate until the required size is reached and discharged from the grate seam.

In order to make the quarry counter-breaking equipment work properly, it is necessary to balance its rotors first. If the center of gravity of the rotor deviates from the geometric center of the rotating axis, the static unbalance will occur; if the center line of the rotating axis of the rotor does not coincide with the center line of its main inertial axis, the dynamic unbalance will occur.

When the quarry counterattack breaks the unbalanced rotor of the equipment, the bearing of the counterattack crusher not only bears the mass of the rotor, but also is affected by its centrifugal inertia force and centrifugal inertia moment. As a result, the bearing wears quickly and the power consumption increases. Therefore, after the rotor is manufactured and repaired, it must be balanced.

Usually when the quarry counterattack breaking equipment counterattack plate wear, the breaking effect of counterattack crusher is significantly reduced, at this time, it is necessary to replace part of the counterattack plate. When replacing, the quality of the counterattack plate should be selected and replaced symmetrically in pairs in the radial direction to ensure the balance of the counterattack equipment rotor in the quarry.

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