Completion of the printing roller assessment process 12 steps – roller, evaluation, printing – Printing Industry
1. Thorough cleaning roller of each root. Carefully place the roller bearing of a journal on the exam table. Will face the same pattern after cleaning roller on the serial number and network printing lines and so on.
2. Check Bearing Exercise status. Bearing flexible rotation, should not be swinging.
3. Remove the bearing, with Micrometer Check the bearing bore. If the bearing bore serious wear and tear (in the Print Standards under more than 0.0005 inches), or a scratch, roller should be sent out for repair journal.
4. Check whether keyway burr, burr key will be preventing the installation, if necessary, use Steel file Repair.
5. Carefully examined Gear Tooth. Burr and the tooth wear will cause printing failure, need to replace the damaged gear.
6. Carefully check the entire roller surface, with the mark Label Mark the damaged area.
7. The roller to place the damaged side, again check for the lead aircraft. If the damaged region in the normal printing roller outside the scope of activities can also be printed for individual printing. Even if the roller surface damage within the region in print, as long as the mark damaged areas can still be used for coating, printing opaque white coating device.
8. Check Ceramics Edge roller damaged condition. Many printers have slightly damaged on the edge of the ceramic anilox roller to accept. If the edge of serious damage, must be installed Filter Net filtered Ink The ceramic fragments and other impurities.
9. The important data of each roller are recorded in the log book of information. When you find more than one roller on the same issue, they should pay close attention to the roller to be marked for future inspection.
10. Will be returned to storage roller, the roller should pay attention to the environment and conditions of storage is appropriate. Roll when the network storage group are too close together? Occurred between the roller surface is in contact? Whether there is sufficient distance between the gear and not collide? Roller is placed near the ink barrel, substrates, printed materials and other things printed? Operators need not trouble you can get the roller? If was hard to remove the heavy roller, make the operator labor intensity is too large, it may cause damage to anilox roller. Should be supported by journal storage roller, must not be stacked with each other. Roller should be cleaned Package Wrapped to prevent accidental damage. Roller cover items should be clean, dry.
11. Rigorous inspection cleaning area. Whether there is a good clean area Illumination ? After the cleaning roller is easy to clean areas clean? If you use Ultrasonic wave Or water jet cleaning device Water tank Is clean? Solvent Clean? I have been saturated by the chemical ink Cleaner Roller can be cleaned.
12. Check doctor blade unit. Squeegee long to replace? Replacement of the old doctor blade down must not be used. Ink tank is not clean dry ink consolidation? Whether Screw Encounter roller surface and damage surface?
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