Q: How to remove the impurities in the sand product?

Fault causes: The water supply is insufficient. The raw sand supply is excessive. Solutions: During the sand washing process, the flush pipe should be opened first, then the raw sand is sent into the sand washing machine. The water supply should be moderate to keep clean of sand and to prevent sand from overflowing. The raw sand supply should be uniform, thus guaranteeing the quality of the sand product.

Q: How to improve the proportion of sand product?

Fault causes: A. the sand washing screen is damaged. B. The bolts of the sand washing screen are broken off. Solutions: A. check, maintain, or even replace the sand washing screen. B. fasten the bolts of the sand washing screen.

Q: What happens when a bearing of the sand washing machine get overheated?

Fault causes: A. the lubricating grease is mixed with impurities. B. the lubricating grease is used incorrectly. C. the bearing is damaged. Solutions: A. change for a better lubricating grease. B. the lubricating grease should be added moderately. C. replace the bearings.

Q: How to avoid the splash of the water in the sand washing machine?

Fault causes: A. the speed of spiral washer is over fast. B. the horizontal axis of the spiral disk is not fixed well. Solutions: A. adjust the speed of the spiral sand washing machine. B. fix the horizontal axis of the spiral disk properly.

Q: Why is the sand waking machine locked in the discharging port?

Fault causes: It is probably caused by the too-small sand particles and too much raw sand supply, which results in the lockage of discharging port. Solutions: Stop feeding and open all discharging ports first to avoid the lockage. Only after cleaning the sand washing machine with clean water, can the further operation be carried out.

Q: What causes a sand washing machine cannot be turned on?

Fault causes: A. the voltage is insufficient. B. the belt is slipping. C. the reducer is broken. D. the motor is damaged. Solutions: A. change the voltage supply. B. tension the belt. C. check the reducer. D. replace the motor for further operation.

Q: Why is my sand washing machine making so much noise?

Fault causes: A. the bearing is damaged. B. the reducer is damaged. C. there is friction between wheel and machine frame. Solutions: A. replace the bearing. B. check and maintain the reducer. C. check and adjust the wheel.

Q: How to prevent the gear of the sand washing machine from damages?

Fault causes: A. the gear isn't maintained in time. B. the shaft of sand washing machine and reducing shaft of the reducer aren't placed properly. Solutions: A. the lubricating oil should be added regularly. B. the shafts should be adjusted in a proper place.

Q: Why is the iron core of the sand washing machine damaged?

Fault causes: A. the bearing is overworn or installed poorly. B. the surface of the iron core is corrosive by moisture. C. the connection between the iron core and the frame is loose. Solutions: A. Remove burr with a fine file and other tools to eliminate short connection of silicon steel sheet. After cleaning, apply insulating paint and heat to dry. B. Polish it by abrasive paper and apply insulating paint. C. tension the screw. If the positioning screw fails, drill another hole for fixing it.

Q: What is the most common cause of bearing damages in the sand washing machine?

Fault causes: A. the bearing lacks lubricating oil or the rubber sealing is damaged. B. the machine is lack of maintenance and cleaning for a long time. Solutions: A. Lubricate it or replace the rubber sealing regularly. B. Clean the bearing in time.

Question 1

How to remove the impurities in the sand product?

Accepted Answer

Fault causes:

The water supply is insufficient.
The raw sand supply is excessive.

Solutions:

During the sand washing process, the flush pipe should be opened first, then the raw sand is sent into the sand washing machine.
The water supply should be moderate to keep clean of sand and to prevent sand from overflowing.
The raw sand supply should be uniform, thus guaranteeing the quality of the sand product.

Question 2

How to improve the proportion of sand product?

Accepted Answer

Fault causes:

A. the sand washing screen is damaged.
B. The bolts of the sand washing screen are broken off.

Solutions:

A. check, maintain, or even replace the sand washing screen.
B. fasten the bolts of the sand washing screen.

Question 3

What happens when a bearing of the sand washing machine get overheated?

Accepted Answer

Fault causes:

A. the lubricating grease is mixed with impurities.
B. the lubricating grease is used incorrectly.
C. the bearing is damaged.

Solutions:

A. change for a better lubricating grease.
B. the lubricating grease should be added moderately.
C. replace the bearings.

Question 4

How to avoid the splash of the water in the sand washing machine?

Accepted Answer

Fault causes:

A. the speed of spiral washer is over fast.
B. the horizontal axis of the spiral disk is not fixed well.

Solutions:

A. adjust the speed of the spiral sand washing machine.
B. fix the horizontal axis of the spiral disk properly.

Question 5

Why is the sand waking machine locked in the discharging port?

Accepted Answer

Fault causes:

It is probably caused by the too-small sand particles and too much raw sand supply, which results in the lockage of discharging port.

Solutions:

Stop feeding and open all discharging ports first to avoid the lockage. Only after cleaning the sand washing machine with clean water, can the further operation be carried out.

Question 6

What causes a sand washing machine cannot be turned on?

Accepted Answer

Fault causes:

A. the voltage is insufficient.
B. the belt is slipping.
C. the reducer is broken.
D. the motor is damaged.

Solutions:

A. change the voltage supply.
B. tension the belt.
C. check the reducer.
D. replace the motor for further operation.

Question 7

Why is my sand washing machine making so much noise?

Accepted Answer

Fault causes:

A. the bearing is damaged.
B. the reducer is damaged.
C. there is friction between wheel and machine frame.

Solutions:

A. replace the bearing.
B. check and maintain the reducer.
C. check and adjust the wheel.

Question 8

How to prevent the gear of the sand washing machine from damages?

Accepted Answer

Fault causes:

A. the gear isn't maintained in time.
B. the shaft of sand washing machine and reducing shaft of the reducer aren't placed properly.

Solutions:

A. the lubricating oil should be added regularly.
B. the shafts should be adjusted in a proper place.

Question 9

Why is the iron core of the sand washing machine damaged?

Accepted Answer

Fault causes:

A. the bearing is overworn or installed poorly.
B. the surface of the iron core is corrosive by moisture.
C. the connection between the iron core and the frame is loose.

Solutions:

A. Remove burr with a fine file and other tools to eliminate short connection of silicon steel sheet. After cleaning, apply insulating paint and heat to dry.
B. Polish it by abrasive paper and apply insulating paint.
C. tension the screw. If the positioning screw fails, drill another hole for fixing it.

Question 10

What is the most common cause of bearing damages in the sand washing machine?

Accepted Answer

Fault causes:

A. the bearing lacks lubricating oil or the rubber sealing is damaged.
B. the machine is lack of maintenance and cleaning for a long time.

Solutions:

A. Lubricate it or replace the rubber sealing regularly.
B. Clean the bearing in time.

Question 11

How to reduce the noise in the sand washing machine's bearing?

Accepted Answer

Fault causes:

A. the rolling bearing produces noise for lacking of lubricating oil.
B. the bearing parts are damaged.
C. there is sand and other impurities mixed in the bearing.

Solutions:

A. the lubricating oil should be added.
B. the bearing should be damaged.
C. the bearing should be cleaned regularly.

Question 12

Why does the sand washing machine vibrate violently?

Accepted Answer

Fault causes:

A. the connecting bolts are loosened.
B. the bearing seat is loose.

Solutions:

A. the bolts should be tensioned.
B. the bear seat should be fixed.

Question 13

What are the main causes of noises produced in the sand washing machine's transmission system?

Accepted Answer

Fault causes:

A. the gear is lubricated insufficiently.
B. the space between gears is changed.

Solutions:

A. the lubricating grease should be added sufficiently.
B. adjust the anchor bolts of the reducer.

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