Aiming at the zinc residue in the weld joint nugget of DP590GA, a double-impulse welding parameter with preheating impulse is designed to further improve its mechanical properties of the weld joint.
并针对DP590GA焊点熔核中锌元素的残留现象，设计出加预热的双脉冲焊接规范，进一步改善其点焊接头的力学性能。
The twice impulse process is employed to change the metallic structure of the resistance welding so as to improve the welding strength.
应用二次脉冲电流，改变电阻焊熔核的金属组织结构，达到提高焊接强度的目的。
The control principle and software of the microcomputer controller used in DC impulse seam welding are introduced in this paper.
本文介绍了直流冲击波缝焊微机控制器的控制原理及软件系统。
Electric current is classified into welding state stabilization impulse and welding impulse in this control method.
在这种控制法中电流分为焊接状态稳定化脉冲和焊接脉冲。
Electric current is classified into welding state stabilization impulse and welding impulse in this control method.
在这种控制法中电流分为焊接状态稳定化脉冲和焊接脉冲。
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