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PDKJ, BORN FOR METAL WELDIN
High Power ▪ Intermediate Frequency ▪ DC output current
Intermediate Frequency Inverter DC Spot (Convex) Welder
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 PDKJ Intermediate Frequency Inverter DC Spot Welder
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 PDKJ 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 PDKJ Intermediate Frequency Inverter DC Spot Welder
Welding Automation and Non-standard Customized welding equipment
Since its establishment 18 years ago, PDKJ has designed and completed numerous cases of welding automation and production lines. It is a leading enterprise in automation technology in Dongguan, focusing on automatic welding in the fields of laser welding and Electric resistance welding. More than 3000 high-end users around the world have witnessed the common use.
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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