Failure one. The paper is messy
the reason:
1. The left and right unevenness is a failure of the side paper alignment device;
2. Most of the front and rear unevenness is the failure of the paper-receiving speed-reduction device.
The specific faults are as follows:
Paper-reduction gear motor does not rotate;
The transmission flexible shaft is broken;
Slow down the suction drum rubber ring.
Troubleshooting method:
A. Eliminate the side paper fault;
B. Check the gear unit one by one.
1. Replace or repair the geared motor. The planetary gear system deceleration device is integrated with the motor. The common problem is that the decelerating planetary gear system is jammed by oily foreign objects. You can borrow the watch repair tool to carefully open the end cover, pinch the planet gears one by one with tweezers, clean them, and check if there is serious Wear, then apply high-quality lubricants, put it into the center wheel (ie, the cylindrical housing of the motor) that has been strictly cleaned (excluding the debris of the card wheel), screw on the end cover to seal, and turn the motor shaft by hand, the feel is flexible and the sound is normal Ready to use. Be careful not to apply too much lubricating oil, nor to fill the space of the gearbox. If the motor coil is burnt out, repair is very difficult. Because of its small size and high sealing requirements, it is recommended to replace the motor.
2. Replace the transmission flexible shaft, or choose a domestically produced flexible shaft (φ4mm). If the flexible shaft cannot be purchased for a while, and the broken part of the flexible shaft is very short, you can remake a joint shaft. ;
3. Replace the aprons, or use domestic-made 0-type sealing aprons instead.
Fault two. Powder spraying anti-sticking device fails
the reason:
1. The air pump is broken;
2. The powder spraying pipe is blocked;
3. The powder transmission gear belt is broken.
Troubleshooting method:
1. Check and repair the air pump. In order to prolong the service life, it is necessary to maintain and repair regularly, replace the wearing pads, and clean the air filter valve, generally once every six months;
2. Identify and eliminate the blockage;
3. Replace the tape and substitute it with domestic tape.
Fault three. Transfer roller package lining cloth rotten
the reason:
1. Water immersion rolling, fatigue wear;
2. External forces cause rotten.
Troubleshooting method:
1. If the small area is damaged, it can be partially cured;
2. Replace with new parts;
3. Use domestic silicone cloth instead, the effect is acceptable, easy to buy and cheap, 0.5mm thick
Fault four. Broken paper lifting table, damaged needle roller bearings
Cause: external force collision, fatigue and wear.
Troubleshooting method:
1. Welding repair or mapping processing;
2. Substitute for car copper sleeve, φ10Xφ14X10;
3. Change the bearing
Trouble five: paper blocking tongue judgment
Cause: Fatigue break
Troubleshooting method:
1. Welding repair;
2. Surveying and mapping.
Fault 6: The machine cannot be clutched
the reason:
1. Control circuit failure;
2. The clutch pressure traction magnet fails.
Troubleshooting method:
1. Check the circuit;
2. If the electromagnet is burnt out, it needs to be wound around the coil for repair; if it is only blocked by the magnet traction block and cannot work normally, just remove the block;
3. If the above method does not work, you can replace the domestic MQ series traction electromagnets with similar specifications. The specifications of traction force below 3Kg and working stroke below 25mm are sufficient. Make small attachments.
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