Hello everyone, I am Xiaobian. Do you know the sealing ring? Today Xiaobian will analyze it for you in detail, hoping to help you.

There are many types and functions of rubber sealing ring products, so the specifications and performance of the seals are also different, but in the production process, the process is basically the same. Baker Seals tells you what are the daily basic process of rubber sealing ring products made of general solid raw rubber? Such as plasticizing, mixing, calendering, extrusion, molding, and vulcanization, of course, the basic process requirements such as raw material preparation, finished product sorting, inspection and packaging are indispensable.

1. So, what problems does the processing process of rubber sealing rings mainly solve?

For example, in the process of solving the contradiction between plasticity and elasticity, various technical and technological means are used to make the elastic rubber sealing ring specification material into plasticized rubber, and then various compounding agents are added to make semi-finished products, and then the plastic semi-finished products are turned into rubber sealing products with high elasticity and good physical and mechanical properties through daily vulcanization.

2. What is the reason for defective products in the membrane pressing process of rubber sealing ring products?

Inaccurate size;

Insufficient rubber;

Too much rubber, the speed edge is thickened;

There are convex and concave marks on the surface;

There are bubbles on the surface and inside of the sealing ring because of the presence of air;

There are impurities on the surface and inside of the sealing ring;

The curling phenomenon occurs, and the processing and mold structure are unreasonable;

The rubber has an obvious inward contraction phenomenon at the parting point;

There are cracks, cracks, and delamination on the surface and inside of the sealing ring.

3. What are the factors that affect the viscosity of rubber sealing ring materials?

Rubber molecular chemical structure;

The larger the molecular weight, the higher the viscosity;

Molecular weight distribution;

The effect of temperature on the viscosity of rubber;

The rate of the shearing process;

The compressive pressure at the processing temperature;

The longer the parking time, the lower the speed;

Compounding agent.

4. What is the reason why the rubber sealing ring products must be parked and matured after cooling?

Reduce rubber shrinkage;

Generate bonded rubber to improve the effect;

Continue to diffuse during parking to disperse evenly;

Restore fatigue of rubber and mechanical stress during mixing.

5. What are the process characteristics of rubber sealing ring materials?

High elasticity;

Viscoelasticity;

Electrical insulation;

Must add compounding agent;

Must be vulcanized, except for thermoplastic elastomers.

6. What are the physical and mechanical properties of rubber sealing rings?

Tensile strength;

Tensile stress;

Tear strength;

Elongation;

Deformation;

Resilience;

Hardness.

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