What are the key points in making vulcanized rubber products: sealing ring mold structure problems?

Vulcanization is one of the essential processes in the production of rubber seals. The rubber seals are completely evenly vulcanized, which can better ensure the finished product indicators and service life of the rubber seals. In actual production, in addition to rationally designing the vulcanization system of rubber seals, manufacturers should also fully consider the shape of the rubber seal, the capacity of the vulcanization equipment, the impact of vulcanization parameters on the performance of the vulcanized rubber, the sequence of vulcanization operations, etc. The following are eight key points in the mold structure design during the vulcanization process of rubber seals.

Pay attention to mold design: When designing rubber seal molds, unreasonable mold design can easily affect the shape and use effect of the product. Especially for sealing products, it will also bring difficulties to the rear mold.

Therefore, when designing rubber seal molds, the shape of the product and the shrinkage of rubber and plastic products must be fully considered, and the mold core exhaust pipe must be reasonably designed to prevent quality risks such as bubbles and damage;

Make sure the mold surface is smooth and bright;

Try to design molds that are easy to clean and repair;

Ensure consistency between mold guide posts, mold pins and bushings.

If the surface of the rubber and plastic product mold is in the shape of cutting marks, the rubber material will have difficulty flowing in the direction forming an oblique angle with the strip, so special attention should be paid.

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