WGFK(G)-450V-60A Three-Phase Intelligent Hybrid Capacitor Switching Device
The WGFK(G)-450V-60A is a three-phase intelligent hybrid switching device engineered specifically for reactive power compensation systems. It intelligently combines the advantages of thyristors (for zero-voltage switching) and contactors (for steady-state conduction), providing a reliable and efficient solution for capacitor bank control in Automatic Power Factor Correction (APFC) panels. Its intelligent control logic eliminates inrush currents and reduces harmonic pollution during switching operations.
DTB-80 DTB-160 DTB–240 DTB-280 DTB-340 DTB–450
Energy saving, power saving, high efficiency, low operating cost, and high welding quality.
Product overview: The medium frequency inverter DC spot welding machine converts the power frequency (50Hz) AC to the medium frequency (1000Hz) DC output. The time resolution is higher than that of the power frequency, the control accuracy is also improved, and the output current is not affected by the change of the secondary output circuit. It has high thermal efficiency, large output power rate and better welding quality. Compared with the traditional power frequency welding machine, inverter medium frequency DC welding will be efficient and energy-saving. It is a technological revolution breakthrough in the field of resistance welding.
Welding Advantages of SWGCT Intermediate Frequency Inverter DC Spot Welder
No skill training required, easy to operate, and easy to master for beginners.2. Design life 20 years
It is designed for the lifespan of 20 years, with over 100000 hours of intensive work and aging testing in industrial laboratories.3. Good quality
The surface of the welding spot has few oxidation and deformation, even without any marks, and the welding is firm and has good quality.
4.Widely used
Metal cabinets, automotive components, fasteners, electronic components, instruments and meters, battery spot welding, hardware spot welding, electrical switches, terminal wires, wire mesh, mesh baskets, etc.
5. Fast welding speed
High power, fast dotting speed, short time consumption, high welding efficiency.
6. CustomizedCan be customized fixtures, electrode arms, electrode holders, and electrode heads of different sizes for different product work-pieces, and can customize highly automated welding equipment and production lines.
What are the advantages of medium frequency inverter DC spot projection welding machine compared with traditional welding equipment?
Compared with traditional welding equipment, the medium frequency inverter DC spot welding machine has many advantages, including energy saving and high efficiency, high welding quality, fast welding speed, small heat affected zone, and small welding deformation. In addition, due to the adoption of medium-frequency inverter technology, its power factor is high, the impact on the grid is small, and the operation is stable and reliable.
Parameters of SWGCT Intermediate Frequency Inverter DC Spot Welder (1)
| parameter | DTB-80 | DTB-160 | DTB-240 |
| Rated capacity | 80KVA | 160KVA | 240KVA |
| Input power | 3 φ 380V | 3 φ 380V | 3 φ 380V |
| short-circuit current | 25KA | 35KA | 50KA |
| Load duration | 20% | 20% | 20% |
| control mode | Primary / secondary constant current | Primary / secondary constant current | Primary / secondary constant current |
| Inverter frequency | 1000HZ | 1000HZ | 1000HZ |
| Arm extension size | 500 × 350mm | 500 × 350mm | 500 × 350mm |
| press | 6000N | 6000N | 12000N |
| Electrode stroke | 80mm | 80mm | 100mm |
| Cooling water flow | 12L/min | 12L/min | 14L/min |
| Welding capacity /Al. plate | 2.0+2.0mm | 2.5+2.5mm | 3.0+3.0mm |
| Welding capacity / carbon steel | 2.5+2.5mm | 3.0+3.0mm | 4.0+4.0mm |
| Electrode arm size | φ 59x173mm | φ 59x173mm | φ 74x195mm |
| Electrode holder size | φ 24.6 × 180mm | φ 24.6 × 180mm | φ 31.6 × 250mm |
| Electrode head size | φ 16x50mm | φ 16x50mm | φ 20x60mm |
| weight | 336kg | 384kg | 733kg |
| Overall dimension | 1180*750*1830mm | 1180*750*1830mm | 1205*870*2140mm |
| parameter | DTB-280 | DTB-340 | DTB-450 |
| Rated capacity | 280KVA | 340KVA | 450KVA |
| Input power | 3 φ 380V | 3 φ 380V | 3 φ 380V |
| short-circuit current | 65KA | 80KA | 100KA |
| Load duration | 20% | 20% | 20% |
| control mode | Primary / secondary constant current | Primary / secondary constant current | Primary / secondary constant current |
| Inverter frequency | 1000HZ | 1000HZ | 1000HZ |
| Arm extension size | 500 × 350mm | 500 × 350mm | 500 × 350mm |
| press | 12000N | 12000N | 12000N |
| Electrode stroke | 100mm | 100mm | 100mm |
| Cooling water flow | 14L/min | 16L/min | 20L/min |
| Welding capacity /Al. plate | 3.5+3.5mm | 4.0+4.0mm | 5.0+5.0mm |
| Welding capacity / carbon steel | 4.5+4.5mm | 5.0+5.0mm | 6.0+6.0mm |
| Electrode arm size | φ 74x195mm | φ 74x195mm | φ 74x195mm |
| Electrode holder size | φ 31.6 × 250mm | φ 31.6 × 250mm | φ 31.6 × 250mm |
| Electrode head size | φ 20x60mm | φ 20x60mm | φ 20x60mm |
| weight | 820kg | 900kg | 980kg |
| Overall dimension | 1205*870*2140mm | 1205*870*2140mm | 1205*870*2140mm |
Characteristics of SWGCT Intermediate Frequency Inverter DC Spot Welder
The intermediate frequency welding controller and current closed-loop control can control the actual welding current at high speed. The output current is DC, and the current is smooth, the inductance reactance is zero. The working frequency is 1000Hz, and the time control accuracy is 1ms. The welding program can achieve multiple welding functions such as preheating, welding, and tempering to achieve complex welding functions. Humanized design, can save multiple welding presets.
The interface is simple and beautiful, and the operation is simple. Multi language switching between Chinese and English, with clear welding parameters at a glance. Cooperate with preset functions to achieve fast welding.
Transparent and intuitive water flow meter for easy observation and adjustment of cooling water flow. PDKJ customized anti-corrosion and anti-aging soft water pipes have a long service life and prevent water leakage accidents. Stable and appropriate temperature can improve welding quality and speed.
The body is designed with a high-strength thickened steel plate mechanical structure, which is stable and rigid, ensuring that the body does not vibrate during welding, and large welded work-pieces do not shake. The high-strength corrosion-resistant nano coating body can ensure machine quality and ultra long service life. And it won the Red Dot, known as the “beautiful spot welder”.
The transformer of PDKJ is made of pure copper for both primary and secondary poles, with a high conductivity magnetic core and high-quality epoxy resin poured inside. It has good insulation performance and stable performance, and is packaged in a stainless steel shell, with a compact and beautiful appearance. The rectifier component adopts high-power ABB diodes, with stable performance and high efficiency, making it the most reliable heart of PDKJ spot welding machine.
The welding platform adopts high conductivity brass material with the copper content of 85%, integrated electrode voltage mechanism, short gas path, compact structure, fast reaction speed, and more convenient installation and maintenance. The stroke between electrodes is adjustable, which can greatly improve the welding speed. Internally, it adopts water-cooled circulation for heat dissipation, and can quickly replace welding fixtures and electrode heads.
The seventh generation pressure stabilizing cylinder developed specifically for welding has fast response speed, high pressure resistance, and long service life, meeting the needs of high-speed welding. The cylinder directional valve adopts SMC/Airtag triple body, with fast response speed and large flow rate, meeting the requirements of high-speed management.
The body comes with an LS air switch, and the circuit design fully complies with the humidity breakdown voltage standard for electrical equipment air gaps. The body is equipped with an emergency stop button. All electrical designs strictly comply with safety standards from China, the European Union, and North America.
Cooling component of spot welding machine
Stainless steel water tank and water pump (optional)
Large capacity water tank, stainless steel shell for heat dissipation, combined with high-power water pump, using room temperature water circulation cooling. This standard cooling component can meet welding operations with general strength. Maintaining the spot welding machine at the optimal working temperature can improve welding quality and accuracy, and extend the service life of the machine. It’s recommended to use spot projection welding machine with power less than 160KVA for optional.
When the temperature is below 0ºC, please use antifreeze.
Industrial grade chiller (optional)
1.Vertical top air outlet design, easy installation and maintenance.
2.High quality brand refrigeration components, with a control accuracy of ± 1.0 ºC to ± 3.0 ºC;
3.Stainless steel multi-stage centrifugal pump and stainless steel water tank, PVC connection material, no worry of rust;
4.Multiple alarm protection functions and providing passive signal output;
5.Independently developed and produced bilingual intelligent temperature controllers in Chinese and English, with various settings and fault prompt functions, making operation simple and convenient;
6.The pure water filtration protection device ensures the safe operation of the equipment;
This advanced cooling component can meet ultra-high strength welding work. Maintaining the spot welding machine at the optimal working temperature can improve welding quality and accuracy, and extend the service life of the machine. It’s recommended to use 170KVA spot projection welding machine for optional.
When the temperature is below 0 ºC, please use antifreeze.
Part of classic automation cases of PDKJ:
Anzhao Oil Heater Production Line, BYD Copper Wire Terminal Welding Machine, Leite Automobile Radiator Aluminum Parts Spot Welding Machine, Feng’s Wire Mesh Welding Machine, Hettich Slide Rail Welding Machine, Qixin Side Furnace Medium Frequency Welding Machine, Huayangtong Door Plate Code Reinforcement Welding Machine, CRRC Copper Wire Welding Machine, Chongqing Linglong Small Chassis Automation Welding Machine, Nanjing Qiangli Laser Automation Production Line, etc.
1,Does the spot welding machine have safety measures to prevent misoperation or accidents?
Answer: Yes, our spot welding machine is equipped with comprehensive safety measures. The equipment is equipped with emergency stop buttons, safety guards, etc., to ensure that power can be quickly cut off or hazardous areas can be isolated in case of abnormal conditions. Additionally, we provide operation training and technical support to help users use the equipment correctly and safely.
2,Does the spot welding machine support customized welding processes?
Answer: Yes, we place great emphasis on meeting customers’ personalized needs. Our technical team can customize exclusive welding process parameters and solutions for you based on your specific process requirements and material characteristics to ensure that welding quality meets your expectations.
3,When welding materials of different thicknesses, does the spot welding machine require electrode replacement?
Answer: Typically, when welding materials of different thicknesses, it may be necessary to adjust the electrode spacing or replace suitable electrodes. Our spot welding machine is designed to be flexible, allowing electrode adjustments and replacements according to the welding requirements of different workpieces’ thicknesses.
4,What are the dimensions and weight of the spot welding machine? Is it convenient for transportation and installation?
Answer: The dimensions and weight of the spot welding machine vary depending on the model. During the design and production process, we fully consider the convenience of equipment transportation and installation. The equipment has a compact structure and is lightweight, making it easy for you to transport and install. Furthermore, we provide detailed installation guides and technical support to ensure you can easily complete the installation process.
5,What is the lifespan of the spot welding machine? What regular maintenance is required?
Answer: The lifespan of the spot welding machine varies depending on usage environment and maintenance. To extend the equipment’s lifespan, we recommend regular cleaning, tightening loose components, and inspecting electrical connections. Additionally, we provide regular inspection and maintenance services to ensure the long-term stable operation of the equipment.
These additional questions and answers further cover aspects such as welding modes, remote control, factors affecting welding quality, automatic detection capabilities, electrode adjustments, equipment lifespan, and maintenance. We hope they meet your requirements for online inquiries. Of course, specific answers may need to be personalized based on the actual requirements of customers and the characteristics of your company’s products.
6,What causes smoke generation during the welding process of the spot welding machine?
Answer: Smoke generated during the welding process of the spot welding machine mainly comes from the melting or gasification of the welding material. When welding current passes through the welding electrode, the welding material melts due to high temperature, and some materials may gasify due to high temperature, forming smoke. Additionally, oxidation reactions that may occur during the welding process can also release smoke. To reduce smoke generation, optimize welding parameters, choose welding materials with low smoke generation, and ensure good ventilation in the work area.
7,What is the after-sales service policy of the spot welding machine? Does it provide technical training?
Answer: Our after-sales service policy for the spot welding machine aims to provide comprehensive support and assurance to customers. We offer one-stop services including equipment installation, commissioning, maintenance, and technical support to ensure the normal operation of the equipment and customer satisfaction. Additionally, we provide technical training services to help operators familiarize themselves with the operation and maintenance of the equipment, ensuring optimal performance. For specific after-sales service policies and technical training arrangements, please contact our customer service team for more information.
8,Can the spot welding machine be used in conjunction with a robotic system?
Answer: Yes, the spot welding machine can be used in conjunction with a robotic system to achieve automated welding production lines. By integrating with a robotic system, automated control of the welding process and precise operations can be achieved, thereby improving production efficiency and welding quality. This combined usage is suitable for large-scale, highly repetitive welding tasks, significantly reducing manual operations and enhancing production efficiency.
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