A rubber refining mill, also known as a rubber mixer or rubber processing mill, is a machine used in the rubber industry for refining and processing raw rubber materials. It plays a crucial role in the production of various rubber products.

The main purpose of a rubber refining mill is to mix, blend, and refine rubber compounds to achieve the desired properties and consistency. It typically consists of two counter-rotating rolls, made of high-quality steel or chilled cast iron, which are heated and cooled as needed. The rolls have a specific pattern or texture on their surfaces to aid in the mixing and refining process.

The raw rubber material, along with additives and fillers, is fed into the machine, and the rolls rotate to mix and blend the ingredients. The friction and heat generated during this process help soften and plasticize the rubber, allowing it to become more homogeneous and easier to process further. The rolls can be adjusted in terms of speed, temperature, and gap size to control the refining process and achieve the desired properties of the rubber compound.

Rubber refining mills are widely used in the production of various rubber products, including tires, belts, hoses, seals, and gaskets. They are essential in achieving the required physical and chemical properties of the rubber compounds, such as elasticity, strength, abrasion resistance, and heat resistance.

It is important to operate the rubber refining mill in accordance with safety guidelines to prevent accidents and injuries. Regular maintenance and cleaning of the machine are necessary to ensure its optimal performance and longevity.

Common Models, if you have any special technical requirements, please just contact us.

Detail Images of Rubber Open Mixer:

Control Panel

we design different type control panel according to machine needs or customers' requirements, here just put a few for your reference.

       Control Box

Normally it's CHNT brand. If customers want other band, just tell us.  And if customers want to change speed, there are frequency speed control machine for choice, the machine has inverter in control box. 

Rollers， our rubber open mixing mill machine adopts chilled hard cast iron raw material:

Rubber mixer is one of the important equipment used in the rubber processing industry for mixing, plasticization, dispersion and other processes. It mainly consists of two relatively rotating drums, which achieve the purpose 

of mixing by squeezing and shearing the rubber material through these two drums.

So the roller is a very important component of the rubber mixer:

1. * * Cold hard cast iron * *: This is a material description that refers to cast iron materials that have undergone special treatment. Cold hard cast iron (also known as cold hard iron or wear-resistant cast iron) has high hardness 

and good wear resistance, making it an ideal material for manufacturing open mill drums. Because during the refining process, the drum needs to withstand continuous wear and compression of rubber materials, the use of 

cold hard cast iron can effectively extend the service life of the drum and reduce maintenance costs.

2. Mirror roller: This is a description of the surface condition of the roller. Mirror surface means that the surface of the drum has been finely processed and polished, achieving a very smooth surface effect similar to a mirror. 

This approach has the following benefits:

-* * Reduce adhesion * *: The mirror smooth surface of the drum can effectively reduce the adhesion of rubber materials during the mixing process, which helps to improve production efficiency and product quality.

-* * Uniform mixing * *: A smoother surface can make the rubber material more evenly distributed between the rollers, which is conducive to material dispersion and mixing during the mixing process, and improves the mixing 

effect.

-Easy to clean: The mirror roller is easier to clean after use, maintaining the hygiene conditions of the equipment, which is particularly important for the production of certain rubber products that have strict requirements for 

cleanliness.

In summary, a rubber open mill equipped with a cold hard cast iron mirror roller combines the high wear resistance of the material and the high smoothness of the surface, aiming to improve production efficiency, ensure mixing 

quality, and extend the service life of the equipment. It is one of the high-end configurations in the rubber processing industry.

pictures of  rubber open mixer

       Sketch drawing for reference

Loding Container Export of various model/type rubber open mixing mill

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