Effect of the Cryogenically Treated Copper Nozzle Used in Plasma Arc Machining of S235 Steel

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Level 1</td><td class="align_center">Level 2</td><td class="align_center">Level 3</td><td class="align_center">Mean effect</td><td class="align_center">Rank</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Cutting speed</td><td class="align_center">1.005999</td><td class="align_center">1.048033</td><td class="align_center">1.146996</td><td class="align_center">0.140997</td><td class="align_center">3</td></tr><tr><td class="align_left">Arc current</td><td class="align_center">1.16248</td><td class="align_center">1.060694</td><td class="align_center">0.977854</td><td class="align_center">0.184627</td><td class="align_center">2</td></tr><tr><td class="align_left">Gas pressure</td><td class="align_center">0.879552</td><td class="align_center">1.024557</td><td class="align_center">1.296918</td><td class="align_center">0.417366</td><td class="align_center">1</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Influential parameter for cryogenically treated nozzle machining.</div>

Advances in Materials Science and Engineering

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Table 9

Table 9: Effect of the Cryogenically Treated Copper Nozzle Used in Plasma Arc Machining of S235 Steel 