The relationship between the heat produced in connections of the welding circuit and that produced in the welded joints and its effect on the spot-welder performance have been discussed in this paper.
分析了焊接回路中连接处产生热量和焊接处产生热量的关系及其对整机性能的影响。
Before the construction, it is necessary to clean the spot and check if there is Pre -embedded part of water heating electric and so on, if there is effect to lay and stick of the floor tile.
施工前，先清理现场，检查施工部位有没有水、暖、电等工种的预埋件，是否会影响板块的铺砌或铺粘；
On the basis of digital signal process and nondestructive testing, the effect of welding process on the frequency spectrum of the current signal in AC spot welding is analyzed.
在数字信号处理及无损检测的理论基础上，分析了焊接过程对电流信号频谱的影响。
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