What should be paid attention to when welding galvanized steel pipe
1. Need to polish in the early stage However, the galvanized layer of the weld must be polished away, otherwise bubbles, trachoma, and false welding will occur. It also makes the weld brittle and the...
Welding Positioner in Railway Industry
It is used for position of large size workpiece. Clamp the work piece on the tilting frock which is prepared by user, integrate the positioner with frock to be a whole, then, lifting and rotating...
What is stick welding?
Stick welding is also known as shielded Metal Arc welding (SMAW) or manual metal arc welding(MMA) . Stick welding is an arc welding process in which coalescence of metals is produced by heat from an...
Rock drilling machinery and pneumatic tools
During operation, one hopper of the fuselage discharges material to both sides. The small diameter front wheel drives the steering wheel. The larger diameter rear wheels are the rollers. The engine...
Mr. Liu Bin
