Wire rope hoist hook

At present, there are large quantities of hoist is in common use of the occasion,Wire rope hoist  the work is not very heavy. This kind of crane is large, wide purpose. Considering the comprehensive benefits,1 phase hoist requires future crane to try to decrease the height, to simplify the structure, reduce the weight and wheel pressure, also can make the whole building height decreased, in light of the building structure, reduce the construction cost.
Hoist the hook head is after forging after heat treatment and made. The forging process is a method of metal heat 15 ton electric chain hoist processing technology in the forging process, process is metal microstructure refinement and metal fiber alignment, and heat treatment to eliminate internal stress and improve the mechanical properties of the metal (can be simply understood as the metal internal organization of more compact).
Welding is the whole process of metal melting, mechanical lifting devices partial fusion, curing process. Repair welding, repair welding of low near the hoist hook maternal due to thermal conduction, so that part of the base metals are subject to different degrees of heating and cooling, as to this part of the first heat treatment, have changed the organization and performance of this part, and the majority of welding are for the sunken parts wear hook, and depression and vertical cross-section in the same line. Weld metal microstructure refinement of the hook and metal fiber order is destroyed, reduces the electric hoist mechanical properties.