The role of the scraper of the Hot melt adhesive coating machine (3).

(2) Scraper angle. Hot melt adhesive coating machine The angle between the  scraper and the tangent of the anilox roller contact is generally between 15 ° ~ 30 °. If the angle is too large, its scraper almost against the anilox roller, and the surface of the anilox roller is not smooth, when it runs at high speed, it will cause the vibration or beating of the elastic scraper blade, so that the solution is bounced up, resulting in uneven coating amount of Hot melt adhesive coating machine, causing the problem of large difference in coating amount. In addition, too large an angle can easily damage the scraper edge. 

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