Product Details
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Medium Frequency Seam Welder

Product Parameters

Items Model	Unit	FN-200HB
Rated capacity	KVA	200
Power supply	V/Ø/Hz	380V±10% / 3 phases / 50Hz
Rated duty cycle	%	50%
Secondary voltage no load	V	10.6 - 12.67
Welding thickness	mm	2+2 steel
Electrode force Max.	KN	10
Cylinder stroke	mm	100
Cooling water consumption	L/h	2460
Working environment	temperature: 1～45℃ humidity: 35～90％

Medium Frequency Seam Welder technical analysis and components

Medium Frequency Seam Welder welding sample demonstration

Product Overview

The HFFN-200H(B) Medium Frequency Seam Welder is engineered for continuous seam welding of sheet metal components, including stainless steel, carbon steel, galvanized sheet, and aluminum alloy materials. This welder is extensively utilized in applications demanding airtight sealing, structural integrity, and extended continuous weld seams.

Compared to traditional AC seam welding equipment, this medium frequency seam welder delivers superior welding current stability, enhanced energy efficiency, and consistent weld quality, making it ideal for modern industrial sheet metal manufacturing.

Common applications include automotive components, metal enclosures, industrial tanks, electrical cabinets, and HVAC system manufacturing.

Key Features

Medium Frequency Seam Welding Technology: Utilizes medium frequency inverter technology for stable welding current and consistent seam quality along extended weld paths.
Continuous Seam Welding Capability: Ideal for long straight or curved seams requiring airtight or structural sealing performance.
Stable Industrial Production Performance: Designed for high-volume manufacturing environments, minimizing weld variation and enhancing repeatability.
Multi-Material Compatibility: Works with stainless steel, carbon steel, galvanized steel, and aluminum alloy sheets based on thickness and application requirements.
Energy-Efficient Operation: Reduces power consumption and improves welding efficiency compared to traditional AC seam welders.
Automation Integration Ready: Compatible with automated production lines featuring fixtures, conveyors, and monitoring systems.

Applications

Automotive Fuel Tanks & Metal Containers: Continuous sealing of fuel tanks and liquid containers where weld integrity impacts leakage resistance and structural safety.
Electrical Cabinets & Enclosures: Suitable for cabinet doors, frames, and panel seams requiring dustproof and airtight welding in electrical systems.
Industrial Metal Fabrication: Applied to stainless steel and carbon steel components including tanks, housings, and structural sheet metal with long weld seams.
HVAC & Ventilation Parts: Used for air ducts and metal housings where consistent seam appearance and reduced post-polishing are essential.

Advantages

Stable Seam Quality: Medium frequency control ensures uniform heat input, improving consistency along long weld seams.
Superior Sealing Performance: Continuous weld formation minimizes gaps and enhances airtight or watertight reliability.
Reduced Electrode Wear: Stable current output decreases thermal stress and extends electrode service life.
Production Stability: Maintains consistent welding results despite material or thickness variations.
Automation Ready: Supports integration into automated sheet metal production lines for increased efficiency.

Frequently Asked Questions

What is a seam welder used for?

It is used for continuous welding of sheet metal parts requiring airtight or strong structural seams.

What materials can it weld?

Stainless steel, carbon steel, galvanized steel, and aluminum alloys depending on thickness.

What is the advantage of medium frequency technology?

It provides more stable current control, better efficiency, and improved weld consistency.

Can it produce airtight seams?

Yes, it is widely used for tanks, enclosures, and sealed structures.

Is it suitable for mass production?

Yes, it is designed for continuous industrial production.

Can it be automated?

Yes, it supports integration with automated production systems.

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Categories	Seam Welding Machine
Model Number:	HFFN-200HB
Brand Name:	HAIFEI