The key production processes of rubber hydraulic hoses

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Rubber hydraulic hoses are used for power transmission and control in hydraulic systems, designed for hydraulic fluids. They are used in many different applications and involve multiple industries and fields, including construction machinery, mining machinery, oil drilling and mining, and so on.

The manufacturing process for rubber hoses can vary depending on the specific application and requirements, they are made from a variety of materials, but the most common material is a synthetic rubber. In this article, let’s understand the main manufacturing process of hydraulic rubber hoses.

Step 1: Mixing the Rubber

The first step in the manufacturing process is to mix the raw materials that will be used to make the rubber compound. This typically involves combining natural rubber or synthetic rubber with other materials, such as carbon black, sulfur, and various chemicals.

The rubber compound is mixed in a large mixer machine, which uses heat and pressure to blend the materials together. The result is a thick, sticky material that is ready to be processed further.

Step 2: Extruding the Hose

The second step in the process is to extrude the rubber compound into the shape of a hose. This is done using a rubber extruder, which forces the material through a mold that is shaped like the cross-section of the hose.

As the rubber compound is forced through the mold, it takes on the shape of a hose and is cooled by water or air. The extruded hose is then cut to the desired length and moved on to the next stage of the manufacturing process.

Step 3: Reinforcement

Many rubber hoses require reinforcement to provide additional strength and stability to meet customers’ performance expectations. The type and layers of reinforcement used will depend on the application and the amount of pressure that the hose will be subjected to.

For example, high-pressure hydraulic hoses may be reinforced with steel wire braid or spiral reinforcement, while lower-pressure hoses may use textile or synthetic fiber reinforcement.

The reinforcement material is added to the hose during the manufacturing process. To separate each layer of reinforcement in a hydraulic rubber hose, a thin layer of rubber or other material called a bonding layer is used, this thin layer is applied between each layer of reinforcement to prevent them from sticking together and to ensure that the hose remains flexible, high pressures and temperatures resistant. For braided hoses, the reinforcement is wrapped around the hose and held in place with adhesive. For spiral hoses, the reinforcement is wound around the hose in a spiral pattern.

Step 4: Covering and Finishing

Once the reinforcement has been added, the hose is covered with a protective layer. This layer can be made from a variety of materials, such as rubber or thermoplastic, and is designed to protect the hose from abrasion, weathering, and other rigorous environmental factors.

Step 5:Inspection and Test

The finished hose is then inspected for quality and tested to ensure that it meets the necessary specifications for the application. This may involve subjecting the hose to high pressure or other stress tests and inspecting the hose for leaks or other defects. Such as dimensional measurement, burst pressure test, abrasion resistance test, aging test, tensile strength test, and so on.

In conclusion, to ensure our customer’s quality workmanship, superior technology, and skilled operators to produce the products with maximum satisfaction, the process of manufacturing rubber hoses is a complex and precise process that involves several different stages. From mixing the raw materials to extruding the hose and adding reinforcement and covering and inspection at last, each step is carefully designed to create a robust and durable product.

Whether you need a rubber hose for automotive, industrial, or hydraulic applications, understanding the manufacturing process can help you to choose the premium quality product for your needs. By selecting a high-quality rubber hose that has been manufactured to the highest standards, you can ensure that your system or equipment operates safely and efficiently for years to come.

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