MD Medium-Frequency Inverter Spot (Projection) Welding Machine

by Seagull Robot · Wuhu, Anhui · MD series

Medium-frequency inverter spot and projection welding machine with up to 80 kA short-circuit current, a lower grid demand than power-frequency AC welders.

Key specs

Power supply

AC 380V 50/60Hz

5 models in this family

MD-20MD-30MD-40MD-60MD-80

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Full specifications

Rated voltage	AC 380V/50HZ/60HZ
Models	MD-20 / MD-30 / MD-40 / MD-60 / MD-80
Secondary max. short-circuit current	20 / 30 / 40 / 60 / 80 kA
Rated capacity	167 / 170 / 225 / 350 / 480 kVA
Switch specification	600V/100A, 600V/200A, 600V/250A, 600V/400A, 600V/630A
Duty cycle	20%
Inverter frequency	1000 Hz
Effective working stroke of electrode	80 mm
Max. electrode pressure	4600-17500 N
Compressed air pressure	0.6 MPa
Cooling water flow rate	32 L/min
Cooling water temperature	Below 25 °C at the inlet
Dimensions	1200x825x1680 mm (MD-20, MD-30); 1225x860x1800 mm (MD-40 to MD-80)