Industrial Spot Welder (MF Inverter DC Resistance Type)

Industrial Spot Welding Machine (MF Inverter DC Technology)

Product Description

This industrial spot welding machine utilizes advanced Medium Frequency (MF) Inverter DC technology to deliver superior welding quality and efficiency compared to traditional AC welders. It converts three-phase AC power into stable DC power, resulting in a consistent welding current with no inductance. This design ensures higher heat input and output efficiency, producing reliable and stable welds, even on challenging materials like aluminum and galvanized steel, or very thin products.

The machine features an intelligent digital controller for precise and fast current control, a user-friendly touch screen for data input and monitoring, and a robust build for durability in demanding factory environments. It is designed to reduce production costs, save energy, and minimize maintenance.

Specifications

Type: MF Inverter DC Resistance Spot Welder
Display: 5 Inches Blue Display Screen
Rated Power: 90KVA (other models: 150KVA, 200KVA, 300KVA)
Input Voltage: AC 380V, 50Hz
Duty Cycle Rate: 20%
Maximum Short Circuit Current: 21000A (other models: 18KA, 30KA, 45KA, 55KA)
Inverter Frequency: 1000Hz (1kHz)
Welding Cycle Period: 11
Welding Pulse Times: 3
Current Slow Rise And Down Control: Yes
Stored Welding Models: 101
Throat Depth: 300mm
Cylinder Size: 100 × 100mm
Cooling Water Requirement: ≥8L/min (varies by model)
Welding Thickness: 3.0 + 3.0mm (varies by model, up to 4.5 + 4.5mm)
Arm Length: 220 × 400mm (varies by model)
Max Pressure: 6KN (varies by model, up to 20KN)
Electrode Stroke: 60mm (varies by model)
Control Method: Primary / subprime constant current

Features

Advanced MF inverter principle, DC welding current, three-phase load balance, intelligent digital controller, energy saving, smaller size, capable of welding aluminum and galvanized material