Yttriated Tungsten is primarily used in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current.

钇钨电极在焊接时，弧束细长，压缩程度大，尤其在中、大电流条件下溶深最大，目前主要用于军工和航空航天工业。

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In some welding cases of high requirement to arc voltage and arc current, the usual wire feeding system is unable to meet the needs of wire feeding at present.

在一些对电弧电压、电弧电流要求很高的焊接场合，目前常用的送丝系统将难以满足要求。

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The rotary driving circuit, position detecting circuit, and welding current sampling circuit of the high speed rotating arc sensor are introduced in detail.

详细介绍了高速旋转电弧传感器的旋转驱动电路、位置检测电路以及焊接电流采样电路。

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