FKM Valve Cover Oil Pan Gasket Custom Rubber Mold

Product Material

1. Rubber Hardness

The rubber achieves an ideal balance of flexibility and strength, which is essential for applications such as rubber compression molding and sealing solutions like FKM rubber gaskets. The 58-66 Shore A hardness ensures the material is resilient while maintaining the necessary elasticity to seal effectively under pressure.

2. Mold Materials

The choice of material for the mold is critical to its performance. High-strength steel or specialized alloys are often used for rubber molds to withstand the high pressures and temperatures encountered during the molding process.

Requirements to Rubber Mould

1. Number of Cavities

This rubber mold contain 4 cavities to efficiently produce multiple rubber parts such as rubber gaskets in each cycle. This design improves the mold's efficiency and reduces production costs by enabling the simultaneous production of multiple components.

2. Customization of Mold Design

The manufacturer can choose the number of plates, application of pushers, and other design features of the rubber compression mold based on specific production needs. This flexibility ensures that the mold design is optimized for different rubber components such as seals, gaskets, and washers.

3. Mold Design Features

The design of the rubber mold must ensure easy part removal, efficient curing of rubber, and smooth cleaning. It is necessary to use a protective coating for the cavities to reduce the adhesion of rubber and to protect against corrosive wear, ensuring the mold’s longevity and maintaining consistent quality for products like nbr rubber gaskets.

4. Mold Durability

The operating life of the die mold must be no less than 200k cycles to ensure cost-efficiency and long-term performance. For industries requiring high-volume production, such as automotive or industrial sealing applications, this durability ensures consistent results without frequent mold replacements.

Runner System for Rubber Molding

1. Runner System Type

The rubber compression mold should utilize a cold runner system. Cold runners are ideal for applications requiring precise material control and minimal waste, as they allow for better regulation of the flow of rubber into the mold cavities. This system is particularly important in high-precision molding of FKM rubber gaskets and similar sealing components.

2. Slot Dimensions for Injection Kit

The upper plate of the cold runner system should provide a slot with a diameter of 110 mm and a depth of 25 mm to accommodate the injection kit. This ensures a smooth, uninterrupted flow of rubber into the mold, allowing for consistent molding of parts such as rubber gaskets that require high precision in sealing applications.

Conclusion

In summary, rubber molds, particularly those used for rubber compression molding, are essential in the mass production of high-quality rubber gaskets and other rubber components. The design and durability of the mold, along with the efficient use of a cold runner system, ensure that rubber parts are produced with high precision and consistent quality. By integrating advanced mold design features, manufacturers can meet the stringent requirements of industries that demand reliability and performance in their sealing solutions.