Medium Frequency Inverter DC Spot Welding Machine - Pdkj

• Control: Manual
• Cooling Way: Water Cooling
• Style: Fixed
• Electrode Stroke: Vertical
• Electric Current: DC
• Transmission: Pneumatic
• Model NO.: DTB-80/DTB-160/DTB240/DTB-280/DTB-340/DTB-450
• Conductive Way: Copper
• Welding Spot Number: Single
• Type: Universal
• Applicable Material: All Metal Materials: Stainless Steel; Alum.; CS
• Key Selling Points: Firm Welding, High Efficiency, Power Saving
• Cooling Water Flow: 12L/Min
• Maximum Short Circuit Current: 25ka
• Input Voltage: 3 Phase, 380V
• Transport Package: Wooden Case
• Specification: Please refer to the parameter table
• Trademark: PDKJ
• Origin: China
• HS Code: 8515809090
• Production Capacity: 100 Unit Per Month

Product Description

Product Description

Intermediate Frequency Inverter DC Spot (Convex) Welder

Medium Frequency DC Welding Machine , Spot Welding Machine, Projection welding machine.
With CE/CCC/ISO certificate.

Model: DTB-80, DTB-160, DTB240, DTB-280, DTB-340, DTB450
            Customization is acceptable.

Product highlights: Energy saving, Power saving, High efficiency, Low operating cost, High welding quality.

Product overview: The intermediate frequency inverter DC spot projection welding machine converts the power frequency (50 Hz) AC to the intermediate frequency (1000 Hz) DC output, the time resolution is higher than the power frequency, the control accuracy is also improved, and the output current is not affected by the secondary output circuit change, the thermal efficiency is higher, the output power is great, and the welding quality is better. Compared with the traditional power frequency welding machine, inverter medium frequency DC welding will be highly efficient and energy-saving, which is a technological revolution breakthrough in the field of resistance welding.

The product has passed the patent certification of China Intellectual Property Office, China CCC certification and export CE certification.

 

Detailed Photos

1 PDKJ MFDC Controller
The intermediate frequency welding controller and current closed-loop control can control the actual welding current at high speed. The output current is DC, the current is smooth, and the inductance reactance is zero. The working frequency is 1000Hz, and the time control accuracy is 1ms. The welding program can achieve multiple welding functions such as preheating, welding, and tempering to achieve complex welding functions. Humanized design, capable of saving multiple welding presets.

2 LCD touch screen
The interface is simple and beautiful, with simple operation, multi language switching between Chinese and English, and welding parameters are stick out a mile. Combined with preset functions, fast welding is achieved.

3 Water cooling circulation system
Transparent and intuitive water flow meter for easy observation and adjustment of cooling water flow. PDKJ customized anti-corrosion and anti-aging soft water pipes have a long service life and prevent water leakage accidents. A stable and suitable temperature can improve welding quality and speed.

4 Thickened and stable body design
The body is designed with high-strength thickened steel plate mechanical structure, which is stable and rigid, ensuring that the body does not vibrate during welding, and when welding large work-pieces do not shake. The high-strength corrosion-resistant nano coating body can ensure machine quality and ultra long service life. Won the Red Dot, known as the "Beautiful Spot Welder".

5 Pure copper transformer
PDKJ transformer is made of pure copper for both primary and secondary poles, with high conductivity magnetic core, high-quality epoxy resin poured inside. It has good insulation and stable performance. It is packaged in the stainless steel shell, with a compact and beautiful appearance. The rectifier component adopts high-power ABB diodes, with stable performance and high efficiency, making it the most reliable heart of PDKJ spot welding machine.

6 Precision and flexible welding platform
The welding platform adopts high conductivity brass material with the copper content of 85%, integrated electrode voltage mechanism, short gas path, compact structure, fast reaction speed, and more convenient installation and maintenance. The stroke between electrodes is adjustable, which can greatly improve the welding speed. The internal design adopts water-cooled circulation for heat dissipation, and can be quickly replaced with welding fixtures and electrode heads.

7 R&D Pneumatic system
The seventh generation pressure stabilizing cylinder developed specifically for welding has fast response speed, high pressure resistance, and long service life, meeting the needs of high-speed welding. The cylinder directional valve adopts SMC/Airtag triple body, with fast response speed and large flow rate, meeting the requirements of high-speed management.

8 Safe and reliable circuit system
The body comes with the LS air switch, and the circuit design fully complies with the humidity breakdown voltage standard for electrical equipment air gaps. Equipped with emergency stop button. All electrical designs strictly comply with safety standards of China, European Union, and North America.
 

 

Product Parameters

 

Model	DTB-80	DTB-160	DTB-240
Rated capacity	80KVA	160KVA	240KVA
Input power	3 φ 380V	3 φ 380V	3 φ 380V
Maximum 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
Maximum pressure	6000N	6000N	12000N
Electrode stroke	60mm	60mm	100mm
Cooling water flow	12L/min	12L/min	14L/min
Welding capacity / Aluminum plate	2.0+2.0mm	2.5+2.5 mm	3.0+3.0 mm
Welding capacity / Carbon steel	2.5+2.5mm	3.0+3.0 mm	4.0+4.0 mm
Arm extension size	500 × 250mm	500 × 250mm	500 × 350mm
Electrode arm size	¢59 × 173mm	¢59 × 173mm	¢74 × 195mm
Electrode holder size	¢24.6 × 180mm	¢24.6 × 180mm	¢31.6 × 250mm
Electrode head size	¢16 × 50mm	¢16 × 50mm	¢20 × 60mm
Weight/+Wooden box	336kg/+56kg	384kg/+56kg	733kg/+76kg
Overall dimension/+Wooden box	1180*750*1830mm 1230*790*1950mm	1180*750*1830mm 1230*790*1950mm	1200*870*2070mm 1390*1040*2210mm

 

Model	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
Maximum pressure	12000N	12000N	12000N
Electrode stroke	100mm	100mm	100mm
Cooling water flow	14L/min	16L/min	20L/min
Welding capacity / Aluminum 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 74 x 195mm	φ 74 x 195mm	φ 74 x 195mm
Electrode holder size	φ 31.6 × 250mm	φ 31.6 × 250mm	φ 31.6 × 250mm
Electrode head size	φ 20 x 60mm	φ 20 x 60mm	φ 20 x 60mm
Weight/+Wooden box	820kg/+76kg	900kg/+76kg	980kg/+76kg
Overall dimension/+Wooden box	1205*870*2140mm 1390*1040*2210mm	1205*870*2140mm 1390*1040*2210mm	1205*870*2140mm 1390*1040*2210mm

 

Features

01. The output current is DC, the current is smooth and the inductive reactance is zero.The working frequency is 1000Hz and the time control precision is 1ms.

02.The fuselage adopts steel plate mechanical structure design, which is beautiful and rigid as a whole, ensuring stable welding quality.

03.The electrode voltage mechanism is integrated, the gas path is short, the structure is compact, the reaction speed is faster, and the installation and maintenance is more convenient.

04.The secondary circuit is made of high quality conductive material, which greatly reduces the circuit impedance.

05.The cylinder reversing valve adopts imported brand, with fast response, large flow and long service life, which can meet the requirements of high-speed management.

06.Standard components adopt brand, so that the overall quality of welding machine reaches the standard.

07.Equipped with intermediate frequency welding controller, current closed-loop control, can control the actual welding current at high speed.

08.Large screen LCD interface, with Chinese and English switching display.

09.High quality, high efficiency welding ability, power factor up to 98%, three-phase input load balance, greatly reduce the impact on the user grid.

Application

Especially suitable for welding of metal materials such as aluminum, copper, galvanized sheet, carbon steel, nickel, tungsten, high-temperature enameled wires, soft connections, and inductance coils. It is widely used in the welding of metal products such as automobile and auto parts manufacturing, new energy power battery, photoelectric communication, Electric light, compressor, hardware, furniture, kitchenware, etc.

 

Customer

Powerful customized strength, hand-held laser welding machine technology is far ahead of its peers for more than 5 years, most of the welding machines are still working normally since the establishment of the company.

Company Profile

Founded in 2006, Pudian Technology is a professional supplier of welding automation solutions. The company has passed the ISO9001 international quality management system certification, has more than 80 officially authorized and applied national patents, and a number of core technologies in the welding field fill the technical gap at home and abroad. It is a national high-tech enterprise. Over the past 17 years, Pudian Technology has provided products and services to nearly 9000 users worldwide in the field of welding automation. PDKJ brand spot welder laser welding machines are popular in more than 30 countries and regions around the world. In the future, we will continue to create lifelong value for users worldwide in the field of welding automation!

Corporate Honors: National high-tech enterprise, 82 intellectual property and invention patents, ISO quality system certification, EU CE and North American safety certification, 3C certification.

Our Advantages

Advantages of PDKJ spot welder
High quality supplier for Fortune 500 enterprise, preferred for quality procurement.

1. Easy to operate
No skill training is required, the operation is simple, and beginners can easily master the welding job.

2. Design life of 20 years
Designed for the lifespan of 20 years, with over 100000 hours of intensive work and aging testing in industrial laboratories.

3. Welding is firm and of good quality
The surface of the solder joint has little oxidation and deformation, even without any marks, and the welding is firm and of good quality.

4. Wide range of welding applications
Metal cabinets, automotive components, fasteners, electronic components, instruments and meters, battery spot welding, hardware spot welding, electrical switches, terminal wires, wire mesh, mesh baskets, etc.

5. Fast welding speed
High power, fast drop spot speed, short time consumption, high welding efficiency.

6. Non standard customization possible
Can be customized fixtures, electrode arms, electrode holders, and electrode heads of different sizes for different product work-pieces, and can customize highly automated welding equipment and production lines.