Qingdao Three-Star Co., Ltd is specialized in the design and production of Series Inverter DC Impulse Argon Arc Welder.
Introduction :
◇Integrated with DC argon arc welding, DC impulse argon welding and manual electric arc welding.
◇Adopt latest IGBT inverter component and technology from famous manufacturers in the world. Reliability greater than other similar inverter welder.
◇Convenient to adjust impulse parameter, easy to learn for beginner, simple and utilized impulse argon arc welder.
Welding Parameter Adjustment Range
Model /Parameter
 WSM-250D
 WSM-315D
 WSM-400D
 WSM-500D 
Rated Welding Current (A)
 250
 315
 400
 500 
Input Voltage 
 Three-Phase380V±10% 50Hz  
Rated Input Current (A) 
 12
 15
 20.5
 25 
Rated Input Power (KVA) 
 8
 10
 13.5
 16.5 
Rated No-load Voltage (V) 
 60
 75 
Rated Duty Cycle
 60% 
Efficiency 
 85% 
Welding Current Range (A) 
 10-250
 15-315
 20-400
 30-500 
Pulse Breadth Value (A)
 10-250
 15-315
 20-400
 30-500 
Duty-Cycle 
 10-90% 
Pulse Frequency
 20Hz~200Hz 
Insulation Level 
 F grade 
Overall Dimension (mm×mm×mm) 
 630×330×590 630×330×590 630×330×590 720×370×680 
Weight  (Kg) 
 40
 50
 54
 65
As a technology-intensive enterprise, Qingdao Three-Star Co., Ltd is specialized in the design and production of automatic welding equipment such as electric welding machine, cutting machine, welding manipulator, self-adjustable and adjustable welding turning rolls, welding inverter, etc. 
   Qingdao Three-Star Co., Ltd has gathered the technical elites of welding industry and cooperated with colleges and scientific institutes. The modern management mode and the strict implementation of ISO 9001 quality management system, ISO14001 environment management system and ISO18001 occupational health and safety system contribute to the core competitive advantages of the enterprise. 
   Qingdao Three-Star Co., Ltd is engaged in the technology development, production, sales and application of automatic welding production line with advanced welding technology and precise production equipment. The company has advanced, stable, reliable and practical application technology combining perfect welding technology and welding center with general submerged arc welder, CO2 protective welder, argon welder, plasma cutting machine, digital automatic manipulator, welding turning rolls, welding inverter, positioner and DC intelligent system.
   The products have been widely applied in cars, electric equipment, engineering machinery, locomotive vehicle, mining machinery, shipbuilding, pressure vessel, heavy-duty machinery manufacture, petrochemical industry, bridge, military products, etc. The company has established extensive communication and cooperation with other companies at home and abroad, and the products have been sold throughout the country and to European, American and Southeast Asia countries, etc (the company has self-operate