Hwashi WL-SP-25K AC Pulse Screw Nuts Stud Spot Welding Machine
Detailed Description
- Multiple times of continuous discharging
- Be able to finish welding at one time
- Firm joint
- No black coating after welding, no oxidation
- Low cost
- No need of subsidiary materials
- Precise mould designed
- Convenient and simple all-directions adjustment
- Suitable for welding of multiple types of products.
Features
- Welding Control System: The AC pulse spot welder that we produce can be matched with many types of welding controllers.
- Silicon Controlled: Adopt the SEMIKRON, IXYS from West Germany or IR Silicon controlled from United States;
- Pneumatic Control System: Adopt large displacement of magnetic valve and gas assembly, sufficient air supply; Adopt the quick exhaust cylinder, quick response, good servo performance.
- Welding Transformer: Adopt high purity silicon steel disc refined welding transformer; Good permeability and electrical conductivity; Less consumption of electricity; Be able to weld the metal plates like 8mm+8mm low-carbon steel.
Technical Parameters
| Model | Voltage | Power | Secondary Current | Pressurization | Electrode Stroke | Closure | Platform Distance | Electrode Distance | Cooling Water |
| | V | KVA | A | Kg | mm | mm | mm | mm | Lit/min |
| WL-SP-50K | 380/1 | 50 | 19500 | 500 | 80 | 145-225 | 250 | 320-420 | 6 |
| WL-SP-75K | 380/1 | 75 | 24000 | 1000 | 100 | 130-230 | 260 | 490-540 | 8 |
| WL-SP-100K | 380/1 | 100 | 34000 | 1000 | 100 | 130-230 | 260 | 490-540 | 8 |
| WL-SP-150K | 380/1 | 150 | 40000 | 1000 | 100 | 130-230 | 260 | 490-540 | 8 |
| WL-SP-200K | 380/1 | 200 | 50000 | 1500 | 100 | 130-230 | 260 | 490-540 | 8 |
| WL-P-75K | 380/1 | 75 | 24000 | 1000 | 100 | 130-230 | 260 | - | 8 |
| WL-P-100K | 380/1 | 100 | 34000 | 1000 | 100 | 130-230 | 260 | - | 8 |
Resistance spot welding is a process in which contacting metal surfaces are joined by the heat obtained from resistance to electric current.
Work-pieces are held together under pressure exerted by electrodes. Typically the sheets are in the 0.5 to 3 mm (0.020 to 0.118 inch) thickness range. The process uses two shaped copper alloy electrodes to concentrate welding current into a small "spot" and to simultaneously clamp the sheets together. Forcing a large current through the spot will melt the metal and form the weld. The attractive feature of spot welding is that a lot of energy can be delivered to the spot in a very short time (approximately 10–100 milliseconds). That permits the welding to occur without excessive heating of the remainder of the sheet.
APPLICATION
1. Mild steel sheet, stainless steel sheet, galvanized metal sheet spot welding
2. Metal sheet fixing welding before continues rolling seam welding.
3. Welding fan guard (with proper designed fixing and driving system), welding metal artware, stationery, cook ware, and all kinds of daily metal products.
4. Welding high conductive material, like aluminum, electrical contact, copper wire etc.(using Middle frequency power)
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50KVA AC Pulse Screw Spot Welding Machine Hwashi WL-SP-25K Images
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