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The influence of the chromium surface polishing factor of the gravure printing plate roller on the wire drawing!

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The influence of the chromium surface polishing factor of the gravure printing plate roller on the wire drawing!

The influence of the chromium surface polishing factor of the gravure printing plate roller on the wire drawing!

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Polishing factors
1. Polishing angle
 
The above is the angle of the electric engraving net. It is best to polish along the angle when polishing. On the one hand, it can achieve a certain cross pattern to achieve anti-drawing effect. On the other hand, it is polished along the direction of the mesh wall, which will prevent the mesh from being lowered. Polishing the wall has a positive effect on the abrasion resistance of chromium at the same time.
 
2. Polishing roughness
The lower the better, the European high-speed machine standard Ra0.03-0.038, the roughness of the low-speed machine should be appropriately reduced. With a certain degree of roughness, the agglomerations of the ink will be dispersed in time under the relative movement and friction of the plate surface and the scraper, which has an anti-drawing effect. This effect must be matched with the copper surface, and the roughness of the copper surface should not be too fine. For details, see the last issue of WeChat public account cjzbhc on "The influence of printing plate roll grinding roughness and grain control on wire drawing". It is recommended to use Maituo Technology Yellow Environmental Protection Super Wear-resistant 3000# Grinding Wheel.
 
3. Polishing strength Due to the sharp discharge effect of electroplating, it is easy to burr on the edge of the sharp mesh wall, so it is necessary to ensure that these burrs are thrown away to prevent the knife from being hit during the printing process. It is recommended to use DYM to produce a new model of DYGP chrome polishing machine, which can easily control the angle of the pattern and the polishing intensity.

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