WSM-130 Multifunctional High-Frequency Direct Current/ Pulse Argon Arc Welding Machine

This machine features independently adjustable pulse frequencies (0.25–30 Hz) and peak currents (3–130 A). Its pulsed heating method significantly minimizes the heat-affected zone, enabling stable welding of ultra-thin (0.15 mm) stainless steel and thin-walled superalloy protective tubes. It perfectly resolves issues such as wall burn-through, probe deformation, and post-weld discoloration often encountered when welding sheathed thermocouples and miniature probes; the resulting weld spots are smooth and free of oxidation, eliminating the need for additional polishing or refinishing. It is designed for the standardized welding of components such as sheathed platinum resistance thermometers (3–8 mm) and electric heaters (1–22 mm). Capable of welding mainstream materials used in the instrumentation industry—including stainless steel, carbon steel, superalloys, and nickel-based alloys—it handles a full range of parts, including sheathed protective tubes, flanges, gaskets, bolts, heating elements, and terminal connectors. This versatility eliminates the need for multiple specialized welding machines, thereby saving on equipment procurement costs. The standard model supports manual welding, while the upgraded version features an automatic wire feeder, a cooling water tank, and a motorized welding torch with adjustable positioning; it can be integrated into fully automated sheathed-component production lines. It is compatible with standard argon arc welding wires (0.8/1.0/1.2/1.6 mm)—using readily available, off-the-shelf consumables rather than proprietary ones—which reduces long-term production costs.