Aluminum spot welding machine SMD-40

Aluminum Spot Welder, Aluminum Shell Spot Welder Brand: Shanghai Haojing Model: SMD-40 Rated Capacity: 90KVA Maximum Short-Circuit Current: 40KA External Power Supply: 380V/3φ Duty Cycle: 50% Maximum Working Pressure: 12/18KN Electrode Stroke: 80MM Cooling Water Flow Rate: 30L/MIN. Shanghai Haojing’s SMD-40 medium-frequency inverter DC spot welder features fully digital control via a human-machine interface touchscreen for intuitive operation. Performance can be expanded through PC programming. Custom fixture designs accommodate diverse workpiece welding requirements, and automated special-purpose machines can be engineered to enhance production efficiency.
Product Overview:
The SMD-40 aluminum spot welder represents the current state of welding equipment. Widely applicable, its welding transformer features compact dimensions with high output energy. By elevating the transformer frequency from standard 50/60Hz to 1000Hz, it significantly reduces core material weight. Additionally, rectifier diodes in the secondary circuit convert AC to DC power for the welder, substantially improving secondary inductance values and saving over 30% in user power consumption. All Shanghai Haojing aluminum spot welders feature digital control via a human-machine interface touchscreen, ensuring intuitive operation. Performance can be expanded through PC programming. Custom fixture designs accommodate diverse workpiece welding requirements, and automated special-purpose machines can be engineered to enhance production efficiency.

Four Key Features of Haojing Welders:

Haojing aluminum spot welders excel in stability, precision, energy efficiency, user-friendliness, and automation. Built on German industrial technology and incorporating globally leading innovations like Siemens control systems and Taiwan’s Weintek operator interfaces, they lead the forefront of welding equipment R&D and manufacturing.
Wide Material Compatibility
Offers broader welding capabilities than AC welders, processing aluminum, aluminum alloys, copper, low-carbon steel, stainless steel, galvanized sheet metal, and more with exceptional adaptability.
Energy Efficiency
Consumes 30% less power than AC welders. Features balanced three-phase input, precise current output, and minimal secondary circuit energy loss, ensuring stable welding with low grid impact and superior energy savings.
User-Friendly Operation
Features a human-machine interface for precise, rapid, and comprehensive control and analysis of welding parameters. Performance can be expanded via PC programming, effectively boosting welding efficiency.
High Welding Efficiency
Achieves millisecond-level welding cycles, producing aesthetically pleasing surfaces that require no grinding. Significantly reduces labor costs while enhancing both productivity and quality.
Comparison Between Aluminum Spot Welders and AC Spot Welders:
1. Superior welding stability;
2. Over 40% energy savings with low operating costs;
3. Balanced three-phase power input achieving up to 95% power factor;
4. Reduced welding current and electrode pressure requirements;
5. Minimal inductive energy loss in secondary circuits;
6. Doubled electrode lifespan, minimizing grinding downtime;
7. Substantially reduced installation costs for electrical systems and auxiliary facilities like water/air supply;
8. More precise, rapid, and comprehensive control/analysis of welding parameters;
9. Shorter welding cycles for improved productivity and weld quality;
10. Wider application range with superior performance on low-carbon steel, stainless steel, copper, aluminum, and galvanized sheet metal.