2015年8月15日星期六

Troubleshooting for Gyratory Screen

As one of our main product, gyratory screen has been supplied to many plants all over the world and also enjoys a good reputation because of its superior design and quality. Gyratory screen is widely applicable to chemical, food processing, refractory materials, building materials, activated carbon, food, PVC powder and other fine materials.
However, during the operation, we may meet some problems, here PK Machinery will introduce the breakdown reason and method in detail.
 
gyratory screeners

 
 
BreakdownReasonSolution
V-belt heating upV-belt looseness
Through of belt is broken or the surface is rough
Loose the bolt which fastens the motor, adjust the distance between motor and belt pulley
Check and repair the belt pulley
Bearing heating upThe grease is excessive or shortage or the quality is bad
Bearing is broken
Main shaft bends or the inertial force is not balanced
The bearing cup is not compatible with other parts
Belt is too tight
Overload working for a long time
Change the grease
Change bearing
Correct the main shaft
Change the part which coordinate with the bearing
Adjust the tightness of the V-belt
Reduce the feeding rate
There is no force for motor
Two phase electricity
Circle short for the winding
Overload working for a long time
Power on the lost phase electricity to ensure it runs under 3 phases
Inspect the motor
Keep the screen working under the rated load
Fail to start the motorLow voltage
Electrical wiring is too thin
Fuse is broken
Start the screen once electricity is normal
Change the electrical wiring
Change a proper fuse
Violent or wiggly vibrationThe rotation shaft bends
Bearing is broken
Replace or correct the shaft
Replace the bearing
The unqualified size material mixed in the finished materialScreen mesh is broken
Screen cover or seal bar is loose
Renew the screen mesh
Press the cover and seal bar
Capacity decliningThe moisture is too high, block the mesh
The opening size is not suitable
Rotation speed is low or the V-belt is loose
Feeding rate is low
The rubber ball is worn out
Reduce the moisture of material
Renew the screen mesh
Check the belt pulley and the tightness of belt
Increase the feeding rate
Renew the feeding rate

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