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25KVA-220KVA Medium Frequency Resistance Welding Machine (Stationary Spot Welder, Projection Welder)

High configuration medium frequency resistance welding machine MFH series
  • Medium frequency spot welder and projection welder (adjustable) 220KVA / 250KVA / 330KVA / 440KVA
  • Medium frequency spot welder and projection welder 220KVA / 250KVA / 330KVA / 440KVA
  • Medium frequency spot welder and projection welder (adjustable) 500KVA / 660KVA / 750KVA / 880KVA
  • Medium frequency spot welder and projection welder 500KVA / 660KVA /750KVA / 880KVA

Application
High configuration medium frequency resistance welding machines are primarily used for spot welding and projection welding processes, such as the welding of carbon steel, stainless steel, aluminum, copper and other alloys.

Features
1. This welding machine is equipped with a roller ram.
2. The resistance welding machine power ranges from 220KVA to 880KVA.
3. The maximum short cut current ranges from 40KA to 110KA.
4. At an atmospheric pressure of 6bar, the welding pressure of our welder ranges between 10000~24000N.
5. A rhombus guiderail is a standard configuration on this type of welding machine.
6. The effective throat depth is 950mm.
7. A one-stroke cylinder is a standard configuration for this welding machine, though a double cylinder and servo electric cylinder are also compatible with our welding equipment. These two cylinders are optional choices.

Technical parameter
Model # DB-220-**0** DB-250-**0** DB-330-**0** DB-440-**0** DB-500-**0** DB-660-**0** DB-750-**0** DB-880-**0**
Rated Capacity KVA 220 250 330 440 500 660 750 880
Power Supply V/Φ/Hz 380V/3Φ/50Hz
Max Primary Current A 180 169 224 280 339 447 508 596
Primary Cable MM2 5*16 5*16 5*16 25 3*50+16+25 3*50+16+25 3*50+16+25 3*50+16+25
Max. Short Cut Current KA 40 45 58 59.9 70 85 90 110
Rated Duty Cycle % 20 20 20 20 20 20 20 20
Secondary Empty Voltage V 10.4 12.5 13 10.4 12.5 10.4 12.5 10.4
Welding Cylinder Size Φ*L ¢200*150 ¢200*100 Φ200*150 Φ200*150 Φ250*150 Φ250*150 Φ250*150 Φ250*150
Max Working Pressure @ 0.5MPa N 15200 15000 15000 15200 24000 24000 24000 24000
Compressed Air Pressure MPa 0.6~0.7 0.6~0.7 0.6~0.7 0.6~0.7 0.6~0.7 0.6~0.7 0.6~0.7 0.6~0.7
Cooling Water Consumption L/MIN 12 15 18 20 20 24 24 24
Compressed Air Consumption L/ welding spot 5.84 9.24 9.24 9.24 14.43 14.43 14.43 14.43
Throat Depth MM 400 444 310 400 444 310 310 310
Arm Gap MM 403 425 435 400 424 400 400 400
Electrode Size MM Φ30 Φ30 * * Φ30 * * *
Dimension H(MM) 2364 1800 2413 2284 1900 2507 2507 2507
L(MM) 1275 1159 1210 1274 1339 1200 1200 1200
W(MM) 985 500 864 985 610 920 920 920

Heron is engaged in making resistance welding system, is an experienced 220KVA-880KVA MFDC resistance welding machine manufacturer and welding solution provider. Since 1997 we have been offering wide range of stationary resistance spot welders, medium frequency resistance seam welders, MFDC resistance projection welding machines and robotic welding system for global customers.

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