Aluminum spot welding machine SMD-20

Aluminum Spot Welder, Aluminum Battery Spot Welder Brand: Shanghai Haojing Model: SMD-20 Rated Capacity: 50KVA Maximum Short-Circuit Current: 20KA External Power Supply: 380V/3φ Duty Cycle: 50% Maximum Working Pressure: 7.2KN Electrode Stroke: 80MM Cooling Water Flow Rate: 30L/MIN. Shanghai Haojing’s SMD-20 aluminum spot welder features fully digital control via a human-machine interface touchscreen for intuitive operation. Performance can be expanded through PC programming. Custom fixtures can be designed to accommodate diverse workpiece welding requirements, and automated special-purpose machines can be engineered to enhance production efficiency.
Product Overview:

The SMD-20 aluminum spot welder boasts broad applicability, featuring a compact transformer with high output energy. By elevating the welding transformer frequency from standard 50/60Hz mains power to 1000Hz, it significantly reduces core material weight. Additionally, rectifier diodes in the secondary circuit convert AC power to DC for the welder, substantially improving secondary inductance values and saving over 30% in user power consumption.

Product Advantages:

1. High welding stability;
2. Over 30% energy savings with low operating costs;
3. Three-phase balanced input with power factor up to 95%;
4. Reduced welding current and electrode pressure;
5. Minimal inductive energy loss in secondary circuit;
6. Doubled electrode lifespan, minimizing grinding time;
7. Substantial savings in electrical installation and auxiliary infrastructure (water, gas);
8. More precise, rapid, and comprehensive control and analysis of welding parameters;

Four Key Features of Haojing Welding Machines:

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 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 sheets, and more with exceptional adaptability.
Energy Efficiency
Consumes 30% less power than AC welders. Features balanced three-phase input, precise current output, and zero secondary circuit energy loss. Delivers high welding stability with minimal grid impact for 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 with reduced grinding time;
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.