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Technocrats Plasma Systems
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Technocrats Plasma Systems
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  Arc Welding Machine ->Submerged Arc Welding Machine      
  MMA/TIG Welding Machines
  •   Diode Based
  •   Thyristor Based
  •   Inverter Based
  •   AC/DC TIG 
  MIG/MAG Co2 Welding Machine
  •  Diode Based
  •  Thyristor Based
  •   Inverter Based
  Submerged Arc Welding Machine
  •   Diode Based
  •   Thyristor Based 
  Untitled Document



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• Plasma Cutting Machines
• Plasma Welding Machines
• CNC Plasma/Gas Profile Cutting
• CNC Pipe Plasma/Gas Profile Cut
• Cutting and Welding Automation
• Arc Welding Machines
• MMA/TIG Welding Machines
• MIG/MAG CO2 Welding Machines
• Submerged Arc Welding Machines
• Semi Automatic Gas Cutting

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Submerged Arc Welding (SAW) is a common arc Welding process. It requires a continuously fed consumable solid or tubular (flux cored) electrode. Molten weld and the arc zone are protected from atmospheric contamination by being “submerged” under a blanket of granular fusible flux consisting of lime, silica, manganese oxide, calcium fluoride and other compounds. When molten, the flux becomes conductive and provides a current path between electrode and the job. The thick layer of flux completely covers the molten metal thus preventing spatter and sparks as well as suppressing the intense ultraviolet radiation and fumes that are a part of the SMAW process.

SAW is normally operated in the automatic or mechanized mode, however, semi-automatic (hand held) SAW guns with pressurized or gravity flux feed delivery are available. The process is normally limited to flat or horizontal fillet welding positions. Deposition rates approaching 45kg/hour is possible with this process. This requires constant voltage power source.

Diode based SAW power source
Diode based SAW power source has output voltage controllable in steps with no feedback control for voltage or current. Motorized trolley for voltage or current. Motorized trolley is used for carrying the welding head with wire feeder, wire spool and the flux hopper. Displays for welding voltage, current, wire feed speed and the trolley speed are available. These power sources are rated for continuous duty and welds for hours together without stopping.

Thyristorised SAW power sources
Thyristorised power source has feedback control for voltage. This also has feature which limits the current to designed level as protection. This type of power source allows step less control of output voltage and maintains the set voltage constant.

Inverterised SAW power source
Inverterised SAW power source is incorporated with constant voltage/constant current characteristics. They allow step less selection of output voltage. The weld quality is superior with this type of power source.




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