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What are the causes of paper machine wear

Views: 1     Author: Site Editor     Publish Time: 2020-06-11      Origin: Site

What are the reasons for the wear of the paper machine? The complete set of equipment that links the pulp to the paper web is called the paper machine, which includes the head box, wire section, press section, drying section, calender, roll machine and transmission section. And other host systems and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery and so on.

1. Abrasion: reason one, long-term contact with copper mesh, felt or pulp, forming paper parts and equipment, such as pulp pump, pulper, sand remover, vacuum box panel, press roll, calender roll, etc.; The second reason is the relatively frequent movement between parts, such as scraper, steam inlet head, air cylinder, vacuum roll, vacuum pump, etc.

2. Lubrication: Mechanical rotation is inseparable from bearings. The paper machine mainly uses rotating rollers. There are many types and numbers of rollers. There are hundreds of bearings of various types. Therefore, lubrication management is very important, especially due to water, high temperature, Due to the effect of heavy load, lubricating oil (grease) is easily lost, evaporated, and aging, so as to destroy the lubrication effect, causing bearing damage and shaft head wear. Therefore, regular refueling is essential.

   3. Fatigue: Heavy-duty and continuous running machinery are prone to fatigue damage. On the paper machine, because some parts are restricted by the mechanical structure and operating principle, the design strength of the parts (such as the net vibration spring plate, electromagnetic clutch suction cup, coupling anti-overload pin, etc.) cannot be too large to avoid damage. The solution is to take measures such as technical maintenance and repair.


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