Wire extension measurement during short circuiting metal transfer

被引：0

作者：

Hsu, C ^{[1
]}

Stava, E ^{[1
]}

机构：

[1] Lincoln Elect Co, Cleveland, OH 44117 USA

来源：

METAL WELDING AND APPLICATIONS: THERMOMECHANICAL PROCESSING OF ALLOYS | 1999年

关键词：

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

This paper describes a patent pending technology that reliably measures Contact Tip to Work Distance (CTWD) during short circuit phase in constant voltage (CV) shea. are length spray and patented surface tension transfer (STT) welding. During short circuit phase of liquid metal transfer, the are is collapsed and thus does not contribute to the voltage drop. The wire extension resistance proportional to its length can be simply derived by Ohm's Law, when the wire is regularly shorted to the weld pool. Applications such as adaptive fill and seam-tracking are evaluated.

引用

页码：351 / 358

页数：8

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