• Select Basic/Complex Machine• Weld-Quality Requirement• Observe Metal Thickness• Consider Welding Conditions• Choose Right Power Source• Metal and Welder Types• If Portable Welding• Welding Power Source Duty Cycle
Welding Process Types
• Arc Welding
• Oxyfuel Gas Welding
• Resistance Welding
• Solid-State Welding
• Other Welding
Thus welding machines are important tools in all welding processes.