Rubber processing
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Release time:
May 29,2025
This process includes basic procedures such as mastication, mixing, calendering or extrusion, molding, and vulcanization. Each procedure has different requirements for the product and is supported by several auxiliary operations. In order to add various required compounding agents to the rubber, the raw rubber must first be masticated to improve its plasticity; then, carbon black and various rubber additives are uniformly mixed with the rubber through mixing to form a rubber compound; the compound is extruded into a blank of a certain shape; then it is combined with textile materials (or metal materials) that have been calendered or coated with rubber to form a semi-finished product; finally, vulcanization transforms the plastic semi-finished product into a highly elastic final product.
For products with higher precision requirements, such as oil seals, O-rings, and sealing components, trimming and deburring are also required. Available methods include manual trimming, mechanical trimming, and cryogenic trimming.
Manual trimming: high labor intensity, low efficiency, low pass rate.
Mechanical trimming: mainly includes punching, grinding, and circular knife trimming, suitable for specific products with low precision requirements.
Cryogenic trimming: uses specialized cryogenic trimming equipment. The principle is to use liquid nitrogen (LN2) to make the burrs of the finished product brittle at low temperatures, and then use specific cryogenic particles (shot) to strike the burrs to quickly remove them. Cryogenic trimming is highly efficient, low-cost, and widely applicable, and has become the mainstream process standard.
Dalian Bohai Rubber and Plastics Co., Ltd. has very strict quality requirements for rubber parts. During the burr processing and trimming process, the company fully utilizes the above three processing methods to significantly improve industrial production capacity. Customer satisfaction is always a key indicator, and the company continuously improves its rubber processing technology. We welcome potential partners to contact us for inquiries and to visit Dalian Bohai Rubber and Plastics Co., Ltd. for an on-site inspection.
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Address: No. 39-6-1, No. 2, Gangxing Street, Economic and Technological Development Zone, Dalian City, Liaoning Province
Telephone:0411-88035927
Fax:0411-88035927
Mailbox:liuchunhong@dlbhxs.com
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