MF INVERTER AC SEAM WELDER
High-Performance MF Inverter AC Seam Welding Technology
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 |
Frequently Asked Questions
What you should know
What is an MF Inverter AC Seam Welder?
An MF Inverter AC Seam Welder is an advanced resistance welding machine that uses medium-frequency alternating current (AC) with inverter technology to produce strong, continuous seam welds. It ensures high precision, better energy efficiency, and consistent weld quality for industrial applications.
How does the MF Inverter AC Seam Welding process work?
The machine works by converting standard electrical input into medium-frequency AC power using an inverter system. This controlled current passes through rotating seam welding electrodes, generating heat at the joint to create a continuous, leak-proof weld seam.
What are the key advantages of MF Inverter AC Seam Welders?
MF inverter AC seam welders offer several benefits such as lower power consumption, improved welding stability, reduced spatter, deeper weld penetration, and higher production efficiency compared to conventional AC welding machines.
Which materials can be welded using this machine?
This seam welder can be used for a variety of conductive metals including mild steel, stainless steel, galvanized steel, aluminum, and other alloy materials commonly used in fabrication and industrial manufacturing.
Where is the MF Inverter AC Seam Welder commonly used?
It is widely used in industries such as automotive manufacturing, transformer radiator production, sheet metal fabrication, tank and drum manufacturing, HVAC systems, and other applications requiring leak-proof seam welding.
What makes MF Inverter technology better than traditional AC seam welding?
MF inverter technology provides precise current control, faster response time, and higher electrical efficiency. It reduces heat loss and improves weld consistency, making it more reliable and cost-effective than traditional AC seam welding systems.