How to adjust the paper receiving part of sheet fe
2022-09-26- Detail
How to adjust the paper receiving part of a sheet fed offset press
1 Time and displacement
the paper receiving cylinder takes paper from the imprint cylinder. The time and displacement must be matched accurately in order to ensure that the operation of the tension tester basically learns to verify that the paper is taken smoothly. When the position of the imprint cylinder is determined, the position of the paper receiving cylinder is also determined and cannot be adjusted. When the position of the chain row is found to be inappropriate, you can only adjust the chain row, not the paper receiving roller. When the position of the jaw at the receiving stack is not appropriate, only the jaw can be adjusted, not the receiving chain row. Therefore, the paper receiving drum is the absolute benchmark for the adjustment of the paper receiving part, and the paper receiving chain is the relative benchmark for the adjustment of the paper receiving part
the adjustment of the tooth pad of the paper receiving chain row should be based on the tooth pad of the embossing cylinder, and the adjustment of the tooth pad of the chain row should be based on its own tooth pad. Therefore, the tooth pad of the embossing cylinder is the absolute benchmark for the adjustment of the tooth pad of the paper receiving chain row, and the tooth pad of the paper receiving chain row is the relative benchmark for the adjustment
generally, the user can adjust the paper receiving chain row as follows: the position of the dental pads at both ends of the chain row usually does not change. Due to the influence of the binding of the support, it can ensure the function of the relative benchmark. At this time, the dental pads at both ends can be used to calibrate the position of the middle dental pad, and then calibrate the position of the dental tablets
2. Paper size
③ folder specific 1. Generally, excellent medium carbon steel and alloy structural steel are adopted. The size of paper size directly affects the size of particle powder that can be directly produced by spraying at room temperature. The area of powder spraying must be adjusted according to the size of paper. The position of the brake roller and the position of the side paper aligning mechanism should also be adjusted with the change of the paper size. The adjustment benchmark of these components is the front flush paperboard, because the position of the front flush paperboard is not adjustable
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