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Mixing and feeding order of internal mixer and its influence on rubber compound

Internal mixer mixing is carried out in a fast, high temperature and high pressure environment, with large glue loading capacity, short mixing time and high production efficiency. The mixing effect of the internal mixer is affected by many factors, in addition to the order of feeding, it is also related to the mixing temperature, glue capacity, rotor speed, mixing time and other factors. Let me share with you the mixing and feeding sequence of the internal mixer and its influence on the rubber compound.

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Factors Affecting Mixing Effect of Internal Mixer

Compared with open mixer mixing, internal mixer mixing has the advantages of short mixing time, high efficiency, high degree of mechanization and automation, good rubber quality, low labor intensity, safe operation, small loss of flying medicine, and good environmental sanitation conditions, etc. Advantages, but the heat dissipation in the mixing chamber of the internal mixer is difficult, the mixing temperature is high and difficult to control, which limits the temperature-sensitive rubber materials, and is not suitable for light-colored rubber materials and rubber materials with frequent variety changes. In addition, the internal mixer needs to be equipped with a corresponding unloading device for mixing.

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Three ways to control the temperature of the rubber mixer to solve the problem of heating and cooling?

The rubber mixing machine is used in the field of rubber and plastic processing, and it has been increasing in recent years. In plastic product factories, people are used to calling it a two-roller machine. On the calender production line, the rubber mixer is before the calender and after the mixer, and its function is to mix and plasticize the uniformly mixed raw materials, so as to provide a more uniform melting material for the calender calendered plastic products. When producing cable material, the milling machine can directly refine and mold the powdered material mixed according to the formula into a molten material, and then compression molded into a sheet-like belt, so that the pelletizer can be cut into granules. On the production line of floor leather, it can directly provide the base coating with uniform mixing and plasticization for the cloth base leather.

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Know internal mixer and daily operation process

The closed rubber mixer is referred to as the internal mixer, which is mainly used for plasticizing and mixing of rubber.

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Different classifications of the open mill can adapt to different media

Different classifications of the open mill can adapt to the use of different media The chilled cast iron roll can be adjusted by entering the roll with cooling water or steam, or heated by simple electric heating. The machine has low operation cost, energy saving and power saving. Easy to install Compact structure, high utilization of zui. Laboratory open mill has two applications: electrically heated laboratory open mill and water-cooled laboratory open mill. The electric heating laboratory open mill is mainly used for mixing plastics. PVC. EVA. For high temperature materials such as kaolin, the open mill is used for mixing and production of rubber.

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What precautions should be taken when using the double roll mill?

The double-roll mill is also called a plastic tablet press. It is mainly used for the color test of the experimental tablet. Please pay attention to: 1. Do not let the surface of the double-roller of the mill be scratched by hard objects: some manufacturers reuse materials, and there may be impurities in the materials. Stones, iron filings and other things must be cleaned to avoid injury. The surface of the double rollers. If there are scratches on the surface of the roller, etc., the pressed sheet will not be smooth and smooth, which will affect the color matching or testing.

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Baopin

Dongguan Baopin Precision Instruments Co., Ltd.

Add：No.29 Houjie Section,Gangkou Avenue,houjie town,

Dongguan City, Guangdong Province,China.
Tel: +86-0769-85752595/85759987/85759676          
MP：+86-18938231256

E-mail：bp@dgbaopin.com

 

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