Common fault inspection and treatment methods of rotary screen printing machine
(1) When long traces are found on the rubber blanket, you should check whether there are impurities in the glue, whether there are hard impurities or residual glue on the scraper edge, and deal with it immediately.
(2) When the rubber blanket deviates laterally, you should immediately adjust the tension of the rubber blanket and the guide manipulator of the rubber blanket or adjust the distance between the stop point of the guide manipulator and the micro switch (usually 2 to 3cm), such as If there is a horn sound, you should stop the vehicle immediately, investigate the cause, and troubleshoot the fault.
(3) When the white cloth is poorly pasted, you should immediately check whether the position of the rubber roller is aligned with the position of the white cloth, whether the squeegee blade is flat, and whether the glue concentration is appropriate. If you use thermoplastic plastic and find that the white cloth is poorly pasted, you should immediately check whether the glue is evenly applied or whether there is glue leakage, whether the heating temperature at the place where the curved plate enters the cloth meets the requirements, whether the vehicle speed is appropriate, and whether anyone touches the surface of the plastic layer with hands. damaged or stained by oil.
(4) When a failure of a pneumatic control component is discovered, immediately check whether the cylinder piston of the failed part is leaking, whether the pipes and valves are damaged, whether the working pressure is too low, whether the compressed air is not clean, dry, or condensation Is the force released?
(5) When you find that the amount of printing paste is too much or too little and the pattern is blurry, you should adjust the position of the scraper and the pressure of the scraper immediately. Generally speaking, when the scraper tilts backward and the pressure increases, the amount of printing paste will be more, and vice versa.
(6) When you find that the printing lines are blurred and the floral tube and the rubber blanket are out of sync, you should check whether the air clutch has failed, whether the worm gear is worn, and whether the length of the rubber blanket is appropriate.
(7) When you find that there are stripes on the printed pattern, you should check whether the scraper blade is straight and whether there are wavy wrinkles on the blade.
(8) If you find that the rotary screen printing pattern is not accurate, you should check the following aspects: the condition of the semi-finished product with cloth paste, whether the rotary screen has a loosening and falling off bulkhead, and the level of color paste in the rotary screen. Changes, whether the air volume of the scraper air pipe is sufficient, whether the dry and wet printed semi-finished products and fabric stacking are smooth, whether the flower setting device and the parts that affect the flower are loose.
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