Description of the application of the seal in the high-pressure rotary sealing device

The application of seals in high pressure rotary seals. The high-pressure rotary sealing device is the key to the water jet boring machine and the drilling rig: the radius of the multi-layer cylindrical wall (m); the sexual element plays the role of connecting the rotating part and the fixing part, its intimacy, person 2, person 3: The thermal conductivity of each layer of material is sealed and damaged, which directly affects the normal operation of the whole machine. Since the seal is working at (W/(m·°C); the temperature rise will affect its working performance. The rotary seal is made of a hot-filled polytetrafluoroethylene and nylon material. The unit length heat formula is systematically studied as shown in the figure. For most non-metallic materials, as shown in 1. Formula (2) is a multi-layer cylinder wall unit length heat formula, plastic, nylon and other polymers. It has the characteristics of softening or melting under heat, and cold as shown in Figure 2. However, it is hard and can be repeated. Under the action of load and high temperature, they will slowly produce plastic flow or deformation, l_l_ Creep. In view of their vulnerability to dimensional stability due to temperature variations, temperature testing of sealing materials has been proposed.