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roller coating process of roller coating machine

announcer:高晟机械   release time:2019-11-13 15:54:07

(1) coating viscosity adjustment
the viscosity of coating used in roller coater greatly affects the uniformity and thickness of coating. the coating viscosity is small, the wettability of the roller is large, the coating surface distribution is more uniform, but may produce insufficient amount of paint, coating thin; coating viscosity is large and the situation is opposite, may produce coating slant thick and uniform bad forehead fault. experience shows that the viscosity of roller coating is between 40 and 150s (4 cups).
(2) film thickness control


滚涂机

  coating film thickness is easy to control is one of the advantages of roller coating, in addition to the aforementioned adjustment of coating viscosity can control the thickness, but also by adjusting the speed of the roller or roller in the distance between the coating to achieve. on the same roller coating machine roller coating, paint roller speed fast, thin film, slow film thickness. the distance between the paint roller and the coated material is large, the film is thick, and vice versa. for the reverse roller coating, the regulation is a little more complicated, the pressure and speed ratio between the feed roller and the coating roller will affect the coating film thickness.

this article is provided by the company foshan gaosheng machinery co., ltd.(https://www.fsgsjx.com). the views of this article does not represent the views of this site.


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foshan gaosheng machinery co., ltd.

add:  no. 5 xiongxing dongyuan industrial zone, hecun, lishui town, nanhai district, foshan, guangdong fax:  0757-85637852 e-mail:  gs@fsgsjx.com

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