When repair and installation crusher, welding is one of the main technological process. Welding can greatly simplify and accelerate the many repair and installation work, and can be directly in the location of the installation crusher to complete some repair and installation work.

Good organization of welding work, can greatly shorten the repair yi the idle time, can greatly accelerate the installation work. A repair, the following three kinds of welding work: welding, welding and repair welding. Such as the usual stand or frame, shell crusher, infrastructure, pulley, shaft, crown gear damage parts to be welded. This should also include feeder trough, containers, crusher and other metal structure repair work.

Welding is the most reasonable method of repairing the wear parts. How long the way is to wear how many fusion welding and welding the wear parts. Any shape and size of the parts for welding in repairing parts of carbon steel and alloy steel parts, and parts of cast iron and nonferrous metal parts, welding may be adopted.