Medium Frequency Inverter DC Spot Welding Controller and Transformer

Medium frequency dc transformer is also called MFDC transformer.It is made of transformer coil and rectifier device.The medium frequency dc inverter resistance welding transformer working frequency is 1000Hz with low voltage high current output.Compare with ordinary power frequency transformer,Medium frequency transformer have more advantages.Its secondary current is dc current.Improved solder joint quality.Small size and light weight,electrode life is longer,Excellent performance in welding materials such as aluminum and galvanized metal.Medium frequency DC resistance welding system are composed of medium frequency inverter(MFDC inverter),MFDC transformer, workpiece etc. Our resistance welding transformers are widely used on spot welding machine,seam welding machine,butt welding machine etc.

  • SCN
  • Guangdong,China
  • 10 days
  • 300 sets per month
  • Information
  • Video

The spot welding machine is a crucial piece of equipment for manufacturing industries that require high-quality, reliable welds. With its advanced technology and innovative features, this machine offers superior welding capabilities, ensuring precise, consistent, and strong welds.

Seaming Welding:

Seaming Welding is a unique feature of the spot welding machine that allows for continuous welding of materials with seam lines. This process is commonly used in the manufacturing of large sheet metal components, such as automotive bodies and appliances. The machine's precision and reliability ensure a strong, continuous weld that eliminates the need for separate seams or rivets.

Various Frequency Welding:

The spot welding machine offers various frequency options, allowing operators to select the optimal setting for their specific welding application. Different frequencies can significantly impact the quality and strength of the weld, making the spot welding machine crucial to choose the correct setting for the material being welded. This flexibility ensures that the machine can handle various materials, thicknesses, and types of welds, providing unmatched versatility and adaptability.

Advanced Welding Technology:

The spot welding machine incorporates advanced technology that sets the spot welding machine apart from traditional welding solutions. The spot welding machine features variable current control, allowing operators to fine-tune the welding process for optimal results. Additionally, the spot welding machine incorporates real-time monitoring capabilities, enabling operators to track weld quality in real-time and make adjustments if needed.

Reliable and Durable:

Built with a strong frame and robust components, the spot welding machine is designed for durability and longevity. The spot welding machine advanced design ensures reliable operation, even under demanding production environments. Regular maintenance and servicing will help extend the lifespan of this valuable welding tool.

Flexible and Customizable:

We understand that every welding application has unique needs. That's why our Spot Welding Machines are designed with flexibility in mind. We offer customization options to tailor the machine to your specific requirements, whether you need a larger welding area, different types of torches, or additional features to enhance your welding process.

In conclusion, the spot welding machine is the ultimate solution for manufacturers seeking to improve productivity, precision, and quality in their welding operations. With the spot welding machine seaming welding capabilities, various frequency options, advanced technology, and customization options, this machine is designed to meet the demands of a range of industries. Contact us today to learn more about how our spot welding machine can help take your welding operations to the next level.


NamePowerCurrentIDW controllersCapacity to Weld
DC Transformer
Intermediate frequency DC transformerDC-80KVA20000AIDW-600T  controllerSingle Spot Wedling:Ψ5+5mm
Intermediate frequency DC transformerDC-120KVA28000AIDW-800TSingle Spot Wedling:Ψ5+5mm
Intermediate frequency DC transformerDC-200KVA40000AIDW-1000TRowing welding:Ψ5+5mm
Intermediate frequency DC transformerDC-250KVA50000AIDW-1200TRowing welding:Ψ5+5mm
Intermediate frequency DC transformerDC-400KVA70000AIDW-1600TRowing welding:Ψ5+5mm, 1200KVA:   for 50 wires with a diameter of 6 + 8mm., 2500mm width: we can use DC-400KVA*3
Intermediate frequency DC transformerDC-600KVA85000AIDW-2400TRowing welding:Ψ5+5mm

Spot Welding      NamePowerCurrentAC controllerCapacity to Weld

AC Transformer
AC-50KVA50KVA12000AAC controllerSingle welding:Ψ3+4mm
spots qty once 1-2
AC-80KVA80KVA16000AAC controllerSingle welding:Ψ3+4mm
spots qty once 3-5
AC-100KVA100KVA22000AAC controllerRowing welding:Ψ5+5mm
Spots qty once 3-4
AC-150KVA150KVA28000AAC controllerRowing welding:Ψ5+5mm
Spots qty once 4-6
AC-200kVA200KVA33000AAC controllerRowing welding:Ψ5+5mm
spots qty once 6-8 




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