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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
Question 1: What are the advantages of PDKJ spot welder?
High efficiency and energy saving: The use of advanced welding technology, making welding speed, less heat loss, thereby improving energy efficiency.
High precision: Due to the use of precise control system and high quality welding technology, benchtop spot welding machine can achieve high precision welding to meet the needs of various fine processing.
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.
Q1: How does the welding machine achieve high efficiency, energy saving and wide application while ensuring the welding quality?
A1: While ensuring the welding quality, the spot welding machine achieves high efficiency, energy saving and wide application, mainly relying on its unique working principle, technical characteristics and wide range of application fields.
First of all, the spot welding machine adopts the principle of double-sided double-point overcurrent welding, and pressurizes the workpiece through two electrodes, so that the two layers of metal form a certain contact resistance under the pressure of the two electrodes. When the welding current flows from one electrode through the other, an instantaneous hot weld is formed at the two contact resistance points, thus completing the welding. This welding method ensures the quality and strength of the welded joint, while avoiding damage to the internal structure of the welded workpiece.
Secondly, spot welding machines are highly efficient. It adopts automatic control technology, which can complete the welding operation automatically, which greatly reduces the need for manual operation. At the same time, with high-speed welding electrodes, the spot welding machine can achieve extremely fast welding speed, thereby greatly improving production efficiency and reducing costs. This high efficiency has made spot welding machines widely used in the manufacturing industry.
1,What are your payment terms?
Answer: We accept the following payment methods: telegraphic transfer, letter of credit, Western Union, Made in China Trade Assurance.
2,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.
3,What adjustments need to be made when the spot welding machine welds different materials?
Answer: When the spot welding machine needs to weld different materials, mainly adjustments need to be made to welding parameters, including welding current, welding time, and welding pressure. Different materials have different melting points, thermal conductivity, and resistivity, so adjusting parameters to adapt to the material's characteristics ensures welding quality.
4,What is the cooling system of the spot welding machine? How is the equipment's stable operation ensured?
Answer: Our spot welding machine is equipped with an efficient cooling system, which ensures stable temperature control during prolonged operation through circulating cooling water or fan heat dissipation. This helps reduce heat loss and enhances welding quality and equipment reliability.
5,Does the spot welding machine support integration into automated production lines?
Answer: Yes, our spot welding machine features programming and debugging capabilities for automated welding. Users can set welding parameters and interfaces through programming according to specific welding requirements to achieve automated welding. Additionally, the equipment provides debugging functions, allowing users to adjust and optimize welding programs easily. This greatly enhances production efficiency and operational convenience, meeting your needs for automated production. Our spot welding machine can be integrated with automated production lines to achieve automated welding. We provide interfaces with various automation equipment and systems for easy integration and debugging, enhancing production efficiency and welding quality. We can offer customized interface services tailored to your specific requirements to ensure smooth integration and stable operation of the equipment.
6,Can we send samples to you for welding tests?
Answer: Yes. You can send samples for welding tests to us, and after testing, we will send you pictures and videos. If necessary, we can also return the samples to your country so that you can inspect the welding quality before ordering the machine.
7,Why does excessive noise occur during the use of the spot welding machine?
Answer: Excessive noise during the use of the spot welding machine may be due to wear, loosening, or imbalance of internal mechanical components of the equipment. Additionally, unstable power supply voltage or motor failures may also cause excessive noise. To address this issue, firstly, check the mechanical components of the equipment to ensure they are fastened and free from wear. Simultaneously, check the working status of the power supply voltage and motor to ensure they operate normally. If the problem persists, it is recommended to contact professional technicians for inspection and repair.
8,What should be done if spatter occurs during the welding process of the spot welding machine?
Answer: Spatter during the welding process may be caused by improper welding parameter settings or unclean material surfaces. You can try adjusting welding parameters such as welding current and welding time, or cleaning the material surface to reduce spatter. If the problem persists, it is recommended to contact our technical support team for further assistance.
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