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Rubber mixing process
2017/08/24 15:01
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  Mixing is the process of mixing all kinds of cooperating agents on the rubber machine. Mixing quality is to further processing of rubber and the quality of the finished product has a decisive influence, even good sizing formula, mixing is bad, if also can appear uneven compound dispersed, rubber plastic through high or low, easy to scorch, Rubber Gasket spray frost, etc., make rolling, extruding, coating, and vulcanization process can not be normal, but also can lead to products under the performance drop.

  The mixing method is usually divided into two kinds: open mixer and mixer. Both methods are intermittent mixtures, and this is the most widely used method.

  Mixing machine mixing process is divided into three stages, Rubber Seal namely package roll (add raw rubber softening stage), eat powder (powder mixed phase) and double refining (after eating powder raw rubber and compound achieves evenly dispersed phase).

  The mixing of the mixer is based on the variety, use and performance requirements of the adhesive, and the technological conditions are different. In the mixing process, we should pay attention to the amount of glue, the order of loading, roll distance, roll temperature, Custom Mold Rubber Parts mixing time, roller speed and speed ratio, etc. Can not mix deficient, can not be refined.

  The mixer is divided into three stages, namely wetting, dispersing, and niezing, mixing of the mixer, under high temperature pressure. The operation method is generally divided into a mixture and two - stage mixtures.

  A mixing method is a method of mixing and mixing the pressure plate. He used throughout natural rubber or mixed with synthetic rubber is not more than 50% of the rubber,Rubber O-Ring in a mixed operations, often by using partial loading step by step, to make the rubber not sharp rise, generally USES the low speed mixer, also can use double speed mixer, join the sulfur temperature must be lower than 100 ℃. It is added in order to make a living - small material - filling agent - filling agent - oil softener - discharge - cooling - add sulphur and ultra - accelerator.

  The two-stage mixing method refers to the method of mixing and mixing with the mixer. This method can be applied to the synthetic rubber content of more than 50% of the adhesive material, Rubber Parts can avoid the process of the mixing process, the long time and the high temperature of the rubber. In the first stage, the mixing process is the same as a mixing process. It is only the promoter that is free of vulcanization and activity. After a mixing process, the second part is cooled and then the second part is mixed. Mixing and mixing in the back of the press, and the vulcanization agent. The mixing time is shorter, the mixing temperature is lower, the mixture is dispersed more evenly and the quality of the binder is high.

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