HIGH-QUALITY HOLE CUTTING USING VARIABLE SHIELD GAS COMPOSITIONS
摘要
<p>A method and apparatus for a plasma torch system having a plasma torch tip configuration that includes a nozzle, an electrode, and a control unit for controlling a composition of the shield gas flow, such that while cutting the contour the shield gas flow comprises a first shield gas composition and while cutting the hole the shield gas flow comprises a second shield gas composition.</p>
