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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 should be considered when using a medium-frequency inverter DC spot welder for welding enclosures?
When employing a medium-frequency inverter DC spot welder for welding enclosures, the following factors should be taken into account:
Question 2: What welding process is typically used for enclosures?
The most commonly employed welding processes for enclosures include:
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,How do we install the machine?
Answer: For some simple machines, we will provide you with English operation manuals, operation videos, and online guidance and training for your engineers to easily set up the machine. For more complex machines, we will send engineers to your country to assist with installation and training. However, there will be additional costs for engineers, including wages, visa fees, round-trip airfare, and accommodation, which will be borne by the buyer.
2,Does the spot welding machine support simultaneous multi-point welding?
Answer: Yes, some advanced models of spot welding machines support simultaneous multi-point welding. By configuring multiple welding heads and control systems, it is possible to achieve simultaneous welding of multiple welding points, thereby improving production efficiency and welding quality. However, please note that multi-point welding requires precise control and parameter adjustment to ensure consistent welding results for each welding point.
3,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.
4,What should be considered during the transportation and storage of the spot welding machine?
Answer: When transporting and storing the spot welding machine, ensure that the equipment is turned off and the power is disconnected. Also, avoid impacts and vibrations to prevent damage to internal components. The storage environment should be kept dry, ventilated, and protected from direct sunlight and high temperatures.
5,How to ensure the stability of welding quality during the welding process of the spot welding machine?
Answer: To ensure the stability of welding quality, the spot welding machine adopts advanced welding control systems and precise parameter adjustment mechanisms. By precisely controlling key parameters such as welding current, welding time, and welding pressure, the spot welding machine can stably output high-quality welding results. Additionally, regularly maintaining and servicing the equipment to ensure the integrity and cleanliness of the electrodes is also an important measure to ensure the stability of welding quality.
6,What is the delivery time for your machines?
Answer: This depends on the complexity of the machine. Most of our standard machines are in stock, and we can shape them within seven days after receiving your payment. If you require custom machines, it typically takes 20-90 days to complete production.
7,How much is the price of your machines?
Answer: The price of spot welding machines varies depending on factors such as model, configuration, brand, and others. Generally, as the functionality and configuration of the equipment increase, the price also increases accordingly.
Our machines are customized according to your requirements. If you want to obtain a suitable price, please provide us with the following information:
The material and thickness of your products
The minimum and maximum size of your products
The welding positions of your products
The level of automation you wish to achieve
It would be even better if you could provide us with detailed product drawings so that our engineers can propose appropriate technical solutions and prices for you.
8,Which industries can the spot welding machine be applied to?
Answer: The spot welding machine is widely used in multiple industries, including automobile manufacturing, electronics manufacturing, metal processing, aerospace, and new energy, among others. In the automotive manufacturing industry, spot welding machines are commonly used for body welding and component assembly. In the electronics manufacturing industry, spot welding machines can be used for welding and assembling electronic components. In the metal processing industry, spot welding machines are used for metal material joining and processing, etc.
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