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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-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: What advantages does a vertical spot welder offer over traditional welding methods when welding enclosures?
Answer: Advantages of using a vertical spot welder over traditional welding methods for welding enclosures include:
Q8: Can the welding speed be adjusted when using a vertical spot welder for welding enclosures?
Answer: While the term "welding speed" is not directly applicable to spot welding, as it involves short, intense bursts of energy rather than continuous motion, the weld cycle time can be adjusted. This includes the time for current application (welding time), electrode descent and ascent, and any hold or cooling times between welds. By optimizing these parameters, the overall production rate can be tailored to suit specific requirements.
1,Can the spot welding machine meet the welding requirements of special industries, such as aerospace or medical devices?
Answer: Yes, our spot welding machine can be customized to meet the welding requirements of special industries. For industries such as aerospace or medical devices, we have rich experience and a professional technical team to provide welding solutions that meet industry standards and quality requirements.
2,How are the electrodes of the spot welding machine maintained and replaced during the welding process?
Answer: The electrodes of the spot welding machine gradually wear during use, so they need to be checked and maintained regularly. When electrode wear is severe, new electrodes should be replaced promptly. When replacing electrodes, choose suitable electrode materials and specifications and follow the correct installation and adjustment procedures outlined in the equipment manual. Additionally, regular cleaning and polishing of electrodes can extend their service life.
3,What should be considered when welding materials of different thicknesses with the spot welding machine?
Answer: When welding materials of different thicknesses, special attention should be paid to adjusting welding parameters to ensure welding quality and effectiveness. Thicker materials may require higher welding currents and longer welding times, while thinner materials may require smaller parameters to avoid over-welding. Additionally, it is necessary to select suitable electrodes and appropriate welding pressure to meet the welding requirements of materials with different thicknesses.
4,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.
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 is the warranty period for your machines?
Answer: Our standard warranty period is one year after delivery. If you wish to extend the warranty period, additional charges will apply.
During the warranty period, if equipment failures occur due to non-human factors, we will provide free repair or replacement services. Additionally, we offer comprehensive after-sales services, including technical support, equipment inspections, repairs, etc., to ensure that your equipment remains in optimal condition at all times.
7,How to reduce energy consumption during the welding process of the spot welding machine?
Answer: To reduce the energy consumption of the spot welding machine, several aspects can be considered. Firstly, select efficient and energy-saving welding equipment and power supply systems to ensure the equipment operates in the optimal working state. Secondly, optimize welding parameters to avoid excessive current and voltage, reducing unnecessary energy consumption. Additionally, schedule production plans reasonably to avoid prolonged idling of the equipment, reducing standby energy consumption. Meanwhile, strengthen equipment maintenance and upkeep to ensure normal operation and efficient utilization of the equipment.
8,How is operational safety ensured during the welding process of the spot welding machine?
Answer: Strict adherence to safety operating procedures is necessary to ensure operational safety when using the spot welding machine. Firstly, ensure the equipment is properly grounded to avoid electric shock risks. Secondly, wear appropriate protective equipment such as welding gloves, safety goggles, etc. Additionally, maintain a clean and well-ventilated work area during the welding process to avoid fire and the risk of harmful gas poisoning.
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