Page 105 - Ship Construction.DJ Eyres 6Ed
P. 105
Ch09-H8070.fm Page 94 Wednesday, October 18, 2006 7:36 AM
VE + VE Coating Electrode Combustion zone
งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
Plasma gas Constricted arc Oxygen supply cutท่านั้น--- ARC-AIR GOUGING
Plate PRINCIPLE OF PLASMA CUTTING TORCH Surface-preheated by arc
--- ใช้เพื่อการศึกษาเ
Tungsten electrode Water-cooled nozzle Direction of ึ Metal cutting processes
Side of kerf FIGURE 9.10
Oxygen cutting jet Torch nozzle Cut direction OXY-ACETYLENE CUTTING 3 2 30˚ 3 BURNING HEAD WITH THREE NOZZLES FOR
Preheating flame mixture Mild steel plate 1 PLAN 30˚ 2 1 ELEVATION Bevel cut Plate PREPARING PLATE EDGE BEVELS
