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US4851636A Method and apparatus for generating an ultra low current plasma arc 失效
用于产生超低电流等离子弧的方法和装置

Method and apparatus for generating an ultra low current plasma arc
摘要:
A method and apparatus for generating a plasma arc used in arc welding, arc transformation hardening, minute working, etc. A plasma gas used for generating a plasma arc includes xenon. A tungsten electrode having a diameter of 0.5 millimeters or less is used. Thus, an extremely low plasma arc current of 0.1 amperes or less can be produced in a stabilized manner.
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