This spot welder can be used for welding pure gold, welding cobalt chrome alloys, welding titanium and orthodontics, welding hardware workpieces, welding jewelry restoration, teeth welding and jewelry DIY.feature:1. The argon arc spot welding machine includes five preset basic programs of gold (Au), cobalt-chromium (Co-Cr), hybrid welding (from noble to unfinished), titanium (Ti) and orthodontics.2. Small size, safe and stable system, easy operation, low noise and easy maintenance.3. It requires minimal workspace, and adjustable power and pulse settings allow you to adjust penetration and solder joint diameter.4. If there is no operation within 5 minutes, the equipment is switched to Ortho-mode to avoid damage to the workpiece. It is ideal for jewelry and dental welding.Technical data:Power supply: 220V/110V 50/60HzPower consumption: 100WProtection class: IP21Air supply pressure: ≥0.1 MPaWelding voltage: 40VWelding current: 50A-150AWelding time: 3ms-30msMaximum argon consumption: 5 l/minFuse: 250V/2.0AMaximum welding frequency: 1HZPower form: plasmaApplication: Repair weldingDrive form: automaticCurrent type: ACDimensions: 28 x 16 x 23 cmWeight: 8.5 kgSet :Spot Welder X1Soldering Station + Soldering Pen X1Loop clamp X1Barometer X1Trachea X2 meters