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MFDC Spot Welding Machine

Home / Products / Spot Welding Machines / MFDC Spot Welding Machine / 100KVA to 320KVA MFDC Spot Welding Machine
TBZ-320 320KVA MFDC spot welding machine for heavy duty metal fabrication and projection welding TBZ-320
TBZ-260 medium frequency inverter spot welding machine with stable DC output for industrial metal welding TBZ-260
DTBZ-260D 260KVA MFDC projection welding machine for thick sheet metal and structural components DTBZ-260D
DTBZ-180D
DTBZ-130D
DTBZ-180D medium frequency DC spot welder for automotive parts hardware components and sheet metal welding DTBZ-180D
DTBZ-100 100KVA medium frequency inverter spot welder for small metal parts and light sheet welding DTBZ-100
DTBZ-130D MFDC spot and projection welder for new energy equipment metal enclosures and hardware parts DTBZ-130D

Pneumatic Spot Metal Mesh Row Welding Welding Machine

Product Details:
Parameters TBZ-320
 TBZ-260
 DTBZ-260D
 DTBZ-180D
 DTBZ-130D
 DTBZ-180
 DTBZ-100
 DTBZ-130
Rated capacity 320KVA 260KVA 260KVA 180KVA 130KVA 180KVA 100KVA 130KVA
Voltage input 380V/50Hz three phase 380V/50Hz three phase 380V/50Hz three phase 380V/50Hz three phase 380V/50Hz three phase 380V/50Hz three phase 380V/50Hz three phase 380V/50Hz three phase
Duty cycle 20% 20% 20% 20% 20% 20% 20% 20%
Max short-circuit current 75KA 60KA 60KA 45KA 38KA 45KA 28KA 38KA
Wire inlet 35mm² 35mm² 35mm² 25mm² 16mm² 25mm² 10mm² 16mm²
Secondary voltage 9.26V 9.62V 9.62V 9.26V 8.33V 9.26V 7.35V 8.33V
Welding ability 8mm+8mm 6mm+6mm 6mm+6mm 4mm+4mm 3mm+3mm 4mm+4mm 2mm+2mm 3mm+3mm
Water cooling flow 40L/min 30L/min 30L/min 25L/min 20L/min 25L/min 15L/min 20L/min
Cylinder size φ200 φ200 φ200 φ160 φ125 φ160 φ100 φ125
Cylinder stroke stroke 150mm, 50mm adjustable stroke 150mm, 50mm adjustable stroke 150mm, 50mm adjustable stroke 120mm, 50mm adjustable stroke 100mm, 50mm adjustable stroke 120mm, 50mm adjustable stroke 80mm, 50mm adjustable stroke 100mm, 50mm adjustable
Cylinder pressure 16000N 16000N 16000N 10000N 6100N 10000N 3900N 6100N
Projection platform size 200x200mm,240x240mm choosable 200x200mm,240x240mm choosable 150×170mm 150×170mm 120×130mm 150×170mm 110×130mm 120×130mm
Copper bar diameter NO NO φ79mm φ79mm φ64mm φ79mm φ54mm φ64mm
Holder diameter NO NO φ38mm φ38mm φ30mm φ38mm φ25mm φ30mm
Tip diameter NO NO φ20mm φ20mm φ20mm φ20mm φ16mm φ20mm
Projection platform inner space 300/385/470mm choosable 300/385/470mm choosable 215/300/385mm choosable 225/300/375mm choosable 235/300/365mm choosable 280mm 250mm
Arm length 380/600mm choosable 380/600mm choosable 420/650mm choosable 420/650mm choosable 380/580mm choosable 420/650mm choosable 380/580/780mm choosable 380/580/780mm choosable
Air source 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air 0.5-0.8Mpa dry compressed air
Water pressure projection YES YES YES YES YES YES YES YES
Water flow projection YES YES YES YES YES NO NO YES
Air switch YES YES YES YES YES NO NO NO
Weight 750kg 700kg 700kg 580kg 370kg 460kg 200kg 370kg
Outline size 1300mmx850mmx2200mm 1300mmx850mmx2200mm 1300mm×850mm×2200mm 1280mm×820mm×2080mm 1080mm×750mm×1950mm 1150mm×800mm×2000mm 950mm×680mm×1750mm 1080mm×750mm×1950mm
Product Details:

The mid-frequency inverter spot and projection welding machine is a high-efficiency DC resistance welding equipment based on mid-frequency (typically around 1000 Hz) inverter technology. It converts AC power into high-frequency DC output, achieving smooth current flow, precise control, and high welding efficiency. Compared to traditional AC welders, mid-frequency welders offer higher thermal efficiency, more stable weld quality, and lower energy consumption, making them the mainstream equipment for modern metal welding production.

These models cover a wide range of power requirements, from medium to low power to large power, catering to various welding scenarios.
They are suitable for spot and projection welding of various metal materials such as steel, galvanized steel, stainless steel, aluminum, and copper. Common applications include automobile manufacturing, hardware components, new energy equipment, electrical hardware, metal enclosures, and more.

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About Us
Yongkang Jiaxiao Welding Automation Equipment Co., Ltd.
Since its establishment 30 years ago, Yongkang Jiaxiao Welding Automation Equipment Co., Ltd. has specialized in the research, development, manufacturing, sales, and service of resistance welding machines, specialized welding machines, 100KVA to 320KVA MFDC Spot Welding Machine , and automated stamping equipment for materials such as copper, aluminum, iron, and stainless steel. The boasts a dedicated R&D team led by experts and comprised of diverse engineers. Its products have passed both the Chinese 3C and European CE certifications, and the company holds dozens of national patents. The company is a leading domestic manufacturer of resistance and automatic welding machines.
Certificate Of Honour
  • Certificate for New Product Evaluation of Class I Energy Efficiency Resistance Spot (Projection) Welding Machine
  • Honorary Certificate of Innovative Small and Medium-sized Enterprise of Zhejiang Province
  • Honorary Certificate of Specialized, Sophisticated, Unique and New Small and Medium-sized Enterprise of Zhejiang Province
  • High-tech Enterprise
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