Common fault treatment of mixing station – screw machine

Common fault treatment of screw conveyor

Fault: oil leakage from gearbox

Cause: Damaged shaft end seal

Action: Replace the shaft end seal

 

Fault: ash leakage from the gearbox

Cause: Damaged shaft end seal

Measures: Replace the gasket and lock the top rod screw of the observation window

 

Fault: Observation window leaks dust

Reason: not locked

Action: Apply a layer of glass glue to the sealant sheet

 

Failure: universal joint leaking dust

Reason: There is a gap at the joint of the universal joint

Measures: Weld or apply a layer of glass glue to the joint of the universal joint

 

Fault: Motor noise or abnormal sound

Reason: Damaged motor shaft bearing

Measures: Replace the bearing of the same type

 

Fault: Gearbox noise or abnormal sound

Reason: input bearing damage, lubricating oil is not clean or insufficient

Measures: Replace the bearing of the same type, replace the lubricating oil and make up to 2/3 of the oil mirror.

 

Malfunction: Helical pipe noise or abnormal sound

Reason: The spiral mandrel (blade) scraped to the inner wall of the tube, and the middle hanging shaft was broken

Measures: adjust the concentricity of the mandrel and replace the middle hanging shaft

Failure: Insufficient delivery of powder tank

Reason: The powder is arched, and the material in the powder tank is insufficient

Measures: Open the arch breaking device and replenish materials

Spiller overflow

reason:

(1) The moisture content of the material is large, which is accumulated on the screw hanger bearing and gradually thickened, so that the incoming material is not easy to pass;

(2) The sundries in the material block the screw hanger bearing;

(3) The failure of the transmission device was not found in time.

 

Solution:

(1) Shut down the machine to clean the sundries in the machine;

(2) Strengthen the drying of raw materials;

(3) Stop and repair the transmission.

Suspension bearing heats up too high

reason:

(1) Improper location installation;

(2) The hard and bulky objects are mixed into the machine to cause abnormal friction of the connecting shaft.

 

Solution:

(1) Clean up foreign objects and test the car until it is normal;

(2) Adjust the position of the suspension bearing.

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