Manual programming is inefficient when using CNC pipe cutting machine cuts intersection lines with welding groove.
使用数控切管机切割带焊接坡口的相贯线时，手工编程效率低下。
2
A method which can increase power factor and decrease energy consumption of common manual ac electric weldingmachine is presented.
介绍了一种解决普通手工交流电焊机功率因数偏低及耗能严重现象的方法。
3
The article discusses the automatic and manual feeding concept of the weldingmachine through analyzing the circuit of the wire feeding system of the CO2 arc welding machine.