Brief introduction of plastic groove winding type for packaging steel belt manufacturing

Brief introduction of plastic groove winding type for packaging steel belt manufacturing
　　 There are three shoulders and three grooves on the two sides of the cross-sectional shape of the channel steel strip. The outer surface of the inner cylinder is first turned into a spiral groove that matches the shape of the channel steel strip. Wind the electrically heated steel belt. The steel strip shrinks after cooling to ensure that each layer of steel strip is tightly attached. Both ends of each layer of steel strip are welded to Jane. Each layer of steel belts mesh with each other by grooves, so that they can bear part of the axial force formed by internal pressure. The groove winding requires not only the tight fit between the belts, but also the meshing of each layer of the groove steel belt. Therefore, the special machine tool for the groove steel belt is required to have higher precision; the steel belt needs to be specially rolled by the steel factory The requirements are very high, and because of the unidirectional winding, the container is forced to produce a moment when it is subjected to internal pressure, which often causes tripping, which affects the axial strength, and may even cause an axial fracture of the container.