gas-welding flux

基本解释

QJ303is a copper-based brazing welding used solvent, the solvent particles uniformly fine at a temperature of 850-1150 ℃, copper and brass brazing alloys gas welding or brazing flux when used.
QJ303铜焊粉是一种基于铜焊接用的铜焊溶剂，本溶剂颗粒均匀细微，在温度为850-1150℃，钎焊紫铜及黄铜合金气焊或钎焊时作助熔剂用。
QJ301 is a copper-based brazing welding used solvent, the solvent particles uniformly fine at a temperature of 850-1150 ℃, copper and brass brazing alloys gas welding or brazing flux when used.
QJ301是一种基于铜焊接用的铜焊溶剂，本溶剂颗粒均匀细微，在温度为850-1150℃，钎焊紫铜及黄铜合金气焊或钎焊时作助熔剂用。
A new gas-flux control system for pressure welding of steel rail was introduced in this paper. In this control system, the gas-flux which is used to heat the steel rail is controlled by PLC and MFC.
采用PLC为控制核心，研究了一种新型的钢轨小型移动式气压焊机控制系统，对加热器中氧、乙炔气体流量的混合比进行自动控制。