Check the listing for details. Automatic Pulse Argon Arc CNC Spot Welder Jewelry Dental Welding Machine 110V. Color: Grey, Condition: New, Made in Unknown. Listed at 287.33 USD. Description The pulse argon arc welding machine has the function of a laser welding machine and is safe and environmentally friendly equipment. It can be used in the field of dental technology, efficiently and accurately completing various welding tasks, as well as orthodontics. It has the characteristics of small size, safety and stability, convenient operation, and maintenance-free. Key Features 5 in 1 Welder: Gold welding, cobalt-chromium alloy welding, mixed welding, pure titanium welding, and orthodontic mode can all be found on this machine, meeting your various needs at once. Powerful Function: Its current can increase from 50A to 600A at most. The advanced MCU control system and IGBT inverter technology digitally control the welding process, combined with high-frequency m.