The machine personnel must carry out periodic and comprehensive inspection of the flexo printing machine, repair, lubrication, debugging, wiping, and wait until the workshop is qualified before the next start of production. At the end of each month, concentrate the force on the equipment for thorough maintenance.
The main points and methods of maintenance of flexo printing machine are as follows:
A, the tension part
The flexo press tension control system is an important device to ensure the printing registration. The long-term high-speed operation of the equipment will often result in lower registration accuracy, poor registration sensitivity and large fluctuations. During maintenance, the tension control sensor and other devices must be inspected and the magnetic powder in the magnetic powder brake must be replaced.
B, transmission part
When the gearbox of each color set of the flexo printing machine is subjected to the printing pressure, the long-term high-speed operation will cause a gap between the bearing and the inner bearing of the gear box, which causes the concentricity to decrease and affect the registration accuracy. Bounce in severe cases, affecting product quality. When repairing, replace the bearing in the gearbox according to the situation and adjust the gear clearance.
C, unwinding and winding part
The flexographic printing machine and the winding device should perform the high-speed operation of the uniform speed for a long time under the pressure of the paper roll. Over time, the gap of the transmission gear will increase, which will affect the stability of the paper during the printing process. Gears, bearings, and gear support shafts should be replaced during repairs.
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