1) 3-phase DC resistance weld ing
三相直流电阻焊
2) phase DC resistance weld
三相次级整流电阻焊
1.
On the basis of analyzing and calculation for the voltage and current waveform,the function expression and relation curve between welding current effective value and control angle on the condition of various power angle are obtained,the characteristic of welding current and the affection of power factor angle about 3-phase DC resistance welding are analyzed also.
在对不同控制角下的负载电压、电流波形进行分析的基础上，推导出三相次级整流焊机的焊接电流有效值与控制角的函数表达式，计算得出了焊接电流有效值与控制角的关系曲线，分析了三相次级整流电阻焊焊接电流的特性及焊机功率因数角的影响。
3) primanry-winding resistance
三相交流绕组的直流电阻
5) ERW
直缝电阻焊
1.
Some suggestions are brought forward for developing new kinds of casing such as ERW tubing and casing,to replace seamless casing and tubin
对目前国内市场对钻套管的需求进行了分析 ,介绍了国内的主要厂家及生产规模 ,根据新建项目及目前形式建议减少钻杆生产线的上马 ,开发几种特殊的石油套管 ,研制开发采用直缝电阻焊套管代替无缝钢管的生产
6) resistance welding current
电阻焊电流
1.
Research on the application of the quadrate magnetic tap for measuring the resistance welding current measuring;
方形磁位计在电阻焊电流测试中的应用研究
补充资料：电阻焊制罐机械（二）
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条