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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
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 |
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,Can you provide machine drawings and technical solutions?
Answer: Yes. After receiving your detailed requirements and product drawings, our engineers will provide you with suitable technical solutions and basic machine conceptual drawings. After you place an order, we will send you more detailed design drawings of the machine for confirmation. Production will only commence after you confirm the drawings.
2,What precautions should be taken during transportation and installation of the spot welding machine?
Answer: During transportation, please ensure that the spot welding machine is properly packaged and secured to prevent collisions or damage during transit. During installation, please follow the instructions in the product manual to ensure the correct installation location and wiring of the equipment. If necessary, we can provide installation guidance and technical support to ensure the equipment's normal use.
3,Can the shape and size of the welding electrode of the spot welding machine be adjusted?
Answer: Yes, the welding electrode of the spot welding machine can be adjusted or replaced according to specific requirements. Different shapes and sizes of electrodes are suitable for different welding materials and process requirements. You can choose the appropriate electrode based on actual needs or contact us for customization.
4,Are spot welding machines easy to operate and maintain?
Answer: Our spot welding machines are designed for ease of operation and maintenance. The equipment's operation interface is intuitive and easy to use, allowing even first-time users to quickly grasp it. Additionally, we provide detailed maintenance manuals and technical support to ensure that you can easily perform routine maintenance and upkeep during use.
5,Is the operation interface of the spot welding machine user-friendly and easy to use?
Answer: Our spot welding machine features a user-friendly operation interface designed with clear and intuitive icons and buttons, making it easy for even first-time users to quickly get started. Additionally, we provide detailed operation manuals and video tutorials to help users better master the operation skills of the equipment.
6,What are the special requirements when the spot welding machine welds non-ferrous metals?
Answer: Welding non-ferrous metals usually requires higher welding temperatures and more precise control of welding parameters. When spot welding non-ferrous metals, special welding electrodes and materials may be required, and welding parameters such as welding current, welding time, and welding pressure need to be adjusted to adapt to the characteristics and welding requirements of non-ferrous metals. When welding non-ferrous metals, attention should be paid to their conductivity and thermal expansion coefficient. Firstly, select appropriate welding parameters such as current, voltage, and welding time to adapt to the melting characteristics of non-ferrous metals. Secondly, choose suitable electrode materials and shapes to ensure the stability and quality of the welding process. Additionally, attention should be paid to the oxidation of non-ferrous metals, and appropriate measures should be taken to prevent oxidation and the occurrence of defects such as porosity.
7,How is the welding accuracy of spot welding machines ensured?
Answer: Our spot welding machines adopt advanced control systems and precise welding parameter adjustment functions to ensure the stability and accuracy of the welding process. Through precise control of current and time, high-quality welded joints can be achieved to meet your requirements for welding accuracy.
8,How to avoid overheating during the use of the spot welding machine?
Answer: Overheating is a common problem during the use of the spot welding machine, which may cause equipment damage or affect welding quality. To avoid overheating, the following measures can be taken: Firstly, ensure there is good ventilation around the equipment for heat dissipation. Secondly, regularly check the working status of the cooling system to ensure that the cooling water or cooling fans operate normally. Additionally, schedule work time reasonably to avoid prolonged continuous operation of the equipment causing overheating. Finally, for work under high load or high-temperature environments, consider using higher-spec cooling systems or other cooling measures.
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