MF INVERTER AC SEAM WELDER

The MF (Medium Frequency) Inverter AC Seam Welder is a state-of-the-art welding machine designed for continuous seam welding of metal sheets and tubular components. Utilizing medium frequency inverter technology, it provides stable AC current, precise control, and high-quality welds with excellent surface finish.

This machine is ideal for appliance manufacturing, automotive panels, fuel tanks, stainless steel vessels, and industrial fabrication, where seam integrity, consistency, and productivity are crucial. The MF inverter system ensures fast current rise time, low distortion, and energy-efficient operation, making it suitable for high-speed production lines.

Its AC output combined with inverter-based regulation allows operators to maintain consistent weld quality even under high-speed production conditions, making it ideal for industries where precision, repeatability, and minimal distortion are critical. The machine is capable of welding a variety of materials including steel, stainless steel, aluminum, and coated metals, which expands its versatility across automotive, HVAC, appliance, and pressure vessel manufacturing.

The system incorporates user-friendly digital controls, programmable welding parameters, and real-time monitoring, allowing operators to easily adjust welding speed, current, electrode pressure, and dwell time for optimal results. Robust water-cooled electrodes, high-quality mechanical components, and a rigid frame design ensure stability, durability, and minimal maintenance, even under continuous heavy-duty operation.

Key Features

Pressure mechanism: Vertical type pressure mechanism has good following performance, low noise and long life.
Drive mechanism: Driven by 3 phase variable frequency motor. Easy adjustment and running stable. Exclusively circumference synchronization technology ensured the welding speed will not change along with the size of welding wheel. Stable welding speed guaranteed the welding quality.
Cooling system: Parallel cooling water route is used in this machine. Every route can be adjusted and displayed separately. Warning function is working through water flow detector.
Power source: Input voltage is three phase 415V. The invert frequency is 5000Hz with high power factor. The current adjust accuracy reach to millisecond level. Secondary side output square wave without any waveform missing. No polarity effect.
Wheel profiling mechanism: It can cut the outer edge of the welding wheel without uninstalling the wheel. Good surface condition ensured the high welding quality.

SPECIFICATION

Model Items	FB-100SA	FB-160SA
Rated power (kVA)	100	160
Rated voltage (V)	415	415
Rated duty cycle (%)	50	50
Frequency (Hz)	50/60	50/60
Maximum short current (duty cycle) (kA)	25 (29.5%)	30 (31.1%)
Continuous output current (kA)	13.6	16.7
Maximum pressure (N)	12000	12000
Open width × depth (mm)	130 × 430	130 × 430
Electrode travel (mm)	80	80
Water flow (L/min)	36	36
Welding wheel speed (m/min)	0.55 – 3.5	0.55 – 3.5
Welding capacity (MS) (mm)	1.5+1.5	2+2
Weight (Kg)	900	900