Above the market trunnion free retaining ring there are many kinds of, now let’s have a detailed look! There are many kinds of earless retaining rings, with different sizes, thicknesses, materials and functions. Ear less retaining ring refers to the part that is padded between the connected part and the nut. It is usually a flat metal ring. In order to protect the surface of the connected part from the scratch of the nut, it disperses the pressure generated by the nut on the connected part.
Plastic ear less retaining ring is manufactured by injection molding process. This molding method applies the principle similar to that of syringe. The body of syringe is injection molding machine, and the injection is to melt the plastic raw materials, and the finger pressure on the syringe is oil pressure here. The injection pressure is used to make the raw materials flow into the mold through a small hole called