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Two solutions to image deformation after the hotte

2022-08-26
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Two solutions to image deformation after printing

the image deformation after printing mentioned here refers to the image deformation after offset printing. Press the "brake" button

young people become the "main force" fault phenomenon 1: drag the tip imprint to one side

after all is completed, the annual output value is expected to reach 25 billion yuan. First, check whether the rubber blanket is tilted, uneven, and whether the tightness on both sides is consistent. If the trace of imprinting is thrown to one side, the top version can be used to correct it. If you still throw it to one side, you can reduce the pressure between the plate cylinder and the rubber cylinder or between the rubber cylinder and the impression cylinder here, or you can correspondingly increase the pressure between the plate cylinder and the rubber cylinder or between the rubber cylinder and the impression cylinder on the other side. Pay attention to the balance of the cylinder. The error on both sides of the new machine is not more than 0.05mm, and the error on both sides of the old machine is not more than 0.10mm

fault phenomenon 2: the horizontal straight line becomes a curve after printing

if it bends downward (towards its mouth edge), it can reduce the gap between the paper transfer tooth pad and the embossing cylinder at the bending part, and also reduce the gap between the paper transfer tooth pad and the paper feed table at the bending part; If you bend upward, you can increase the gap between the paper feeding tooth pad and the embossing cylinder at the bending part, and you can also increase the gap between the paper feeding tooth pad and the paper feeding table at the bending part. The gap between the paper feeding tooth pad and the embossing cylinder and between the paper feeding tooth pad and the paper feeding table is generally slightly larger than the thickness of the printing paper

Author: Wang Xiaoping

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