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Paper Mill Machinery Rubber Rollers

It is a rubber roller used for paper making. A long net paper machine generally has 70 to 80 rubber rollers. According to the structure, it can be divided into light roller (flat roller, no pattern on the surface), groove roller (groove on the surface of the coating layer),

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Paper making rubber roll

It is a rubber roller used for paper making. A long net paper machine generally has 70 to 80 rubber rollers. According to the structure, it can be divided into light roller (flat roller, no pattern on the surface), groove roller (groove on the surface of the coating layer), thread roller (thread groove on the surface of the coating layer), vacuum roller, movable arc roller ( Hollow bending rolls) and medium and high rolls. They are used for different parts of the paper machine to squeeze water, press, calendar  and so on. It is generally made of various SRs (such as PU). A large thick-walled rubber roller used in various parts of a paper machine. According to different functions, it can be divided into a press rubber roller and various accessory rubber rollers driven by a press rubber roller. The press rubber roller should be able to withstand higher pressure, and it must be driven by other auxiliary rubber rollers. The hardness requirement is high, 85°~95° in Shore. When the pulp is pressed by the upper and lower rolls, the pressure exerted by the upper roll (cast iron roll core, outer wrapper or hard rubber) is such that the lower roll (ie, the press roll) acts as a support. Some accessory rubber rollers driven by the press rubber roller include a chest roller (the first roller on the paper machine, supporting the copper mesh), a case roller (also known as a dewatering roller, supporting a copper mesh), a scraper roller, a brush roller, and the like. The rubber layer should have good elasticity, compression resistance, flex resistance and thermal conductivity. The maximum tolerance of the hardness should be within the allowable range, otherwise the unevenness of the pulp will be uneven and the quality of the paper will be affected. Generally, the Shore hardness is 40°~100°, and the tolerance is ±2°~±4°.


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