Resistance spot welding, frequently known as spot welding for quick. Technically, spot welding is usually used when welding certain types of sheet metal and metal bar. Basically, while in the cross-connection position. Portable spot welder ...

Metal bellow is one particular form of sequence product of bellows. It's a turning skinny shell with corrugated bus. Metal bellows may be used as delicate aspects, damping factors, compensation parts, sealing elements, valves and ...