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Top 4 Rubber Manufacturing Processes.

When providing rubber products, multiple manufacturing processes can be used. Each process is good on its way in making a certain rubber category. Once you know the manufacturing processes, you can be in a position to understand their effects on sale and prices. Molding, calendaring, latex dripping and extrusion are the most common rubber processing methods.

Extrusion starts by putting a vulcanized compound in an extruder. When it is put in the extruder, it is carried forward by a dye. The dye is important in the rubber shaping process. When the dye is put, the compound is forced by the pressure of the system through the extruder’s opening. For it to become useful, the extruded product is vulcanized. This process is usually of a lower production cost as well as a high output.

Latex dripping includes dipping thinly walled molds into latex and slowly withdrawing them. You can re-dip the product in the latex with an aim to increase its thickness. After the dipping process occurs, the product is then vulcanized. The needs of post-treatment varies with the ppr5oduct’s needs. Bladders, rubber gloves, balloons, tubing, and grips can be made using this method.

Molding includes three main manufacturing processes. They are compression molding, injection molding, and transfer molding. Compression is the oldest and least expensive. The advantages of using this method are the suitability of rubber compounds that have a large surface area, and it’s suitability in rubber compounds that have a poor flow property and a high viscosity. The process might however be time consuming and with a low rate of production. O-rings, silicon, electrical insulators, seals, and wristbands can be made using this method.

Transfer molding reduces the limitations associated with compression molding. The process commences with loading a blank in a chamber, and distributes it to various cavities. In the starting stage, rubber is heated, therefore making it possible to move to other channels.

Injection molding is another form of molding. The injection unit and the press unit acts as two distinct entities with separate controls. An extruder unit attends to some passes in a certain programmed way. This results into short injection processes. This minimizes handling blanks in the process. This eliminates the chances of handling blanks in the process. Hard cavities and flow channels can easily be filled.

Calendaring works by forcing the softened material to the middle of rollers that are counter-rotating. The materials are compressed by the rollers. The distance between the cylinders affects the thickness of the cylinders. Calendaring is more expensive when compared to other processes.

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