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Solving four measures of the influence of the roller row on offset printing
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1. Ensure the interdental gap and replace the worn denture
The ideal gap of the upper pad of the roller should be equal to the thickness of the paper. Once the dental pad is worn out, it should be adjusted in time. If it is seriously worn, it should be replaced and re-commissioned.
2. Remove "dead teeth"
When there is a "dead tooth" on the roller row, if the situation is not serious, the tooth on the "dead tooth" can be removed first, cleaned, refueled, and reinstalled until the tooth can bounce off. If the situation is serious, the entire tooth row with "dead teeth" can be disassembled, the parts of the tooth row are thoroughly cleaned, and the operation of each tooth on the tooth row is carefully checked after reassembly to prevent the "dead teeth" from appearing again.
3. Precisely install the roller row
When installing the roller row, the height of each tooth pad can be checked by the dial indicator. After the height is consistent, the tooth row is fixed, and the height error of the whole row of the pad and the roller is controlled within 0.05 mm to ensure that the roller row is on a row. The height of the pads is on the same horizontal line.
4. Inspection of parts
Before installing the roller row, it is necessary to strictly control the quality of each part to avoid the inaccuracy of overprinting due to parts failure.