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Top 4 Rubber Manufacturing Processes.
There are numerous processes to use when manufacturing rubber. Each of the processes is significant on its way in making a certain product type. Knowing the processes can assist you in knowing their prices and tradeoff effects. Among the most common rubber manufacturing processes are latex dripping, extrusions, calendaring and molding.
Extrusion begins by dipping an extruder with a vulcanized compound. When it is put in the extruder, it is carried forward by a dye. The dye is usually a special manufacturing tool that is mean t to shape the rubber. The compound is forced into the opening of the extruder by the process’ pressure, after putting the dye. For it to become useful, the extruded product is vulcanized. This process has a high output and a lower production cost.
Latex dripping happens when the molds that are thinly walled are immersed in latex and then withdrawn slowly. The product can be dipped again into the compound to increase its thickness. Vulcanization happens when the product is through with the dipping process. The needs of post-treatment varies with the ppr5oduct’s needs. The products that result from this method include grips, bladders, rubber gloves, tubing, and balloons among others.
Molding includes three main manufacturing processes. These are transferred molding, injection molding and compression molding. The least expensive and oldest method is compression molding. It can hold products with high viscosity and a poor flow. This process on the other hand, consumes a lot of time. 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 begins with a blank chamber that moves rubber to other chambers. In the starting stage, rubber is heated, therefore making it possible to move to other channels.
Finally, there is injection molding. The injection and press units are two distinct units and have different 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 involves forcing softened materials to the middle of rotating rollers. 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.