The J2108 single-color offset printing press used by our factory, in the printing process of the cover of primary school students' textbooks in the autumn of 1996 in Shaanxi Province, suddenly appeared color misregistration. Feida paper feed was fast for a while, slow for a while, and immediately stopped and checked. Feida's parts were all normal. Finally, Wan Xiangxiang pin was pinched. It was found that one end of a pin broke into three sections and the breakage was still connected with two ends, resulting in 10,000 The main reason for the off-axis pin is:
1 In order to make paper piles rise faster, printers often drive fast cars;
2 In the normal operation of the cardan shaft, the chain of the lift paper pile was stuck, and the cardan shaft was subjected to excessive force, breaking the 5mm taper pin. Remove the cardan shaft section, and replace the taper pin again to install, adjust, and start the machine. The color registration is accurate.
1 In order to make paper piles rise faster, printers often drive fast cars;
2 In the normal operation of the cardan shaft, the chain of the lift paper pile was stuck, and the cardan shaft was subjected to excessive force, breaking the 5mm taper pin. Remove the cardan shaft section, and replace the taper pin again to install, adjust, and start the machine. The color registration is accurate.
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