Seam Welding Machine

 

Iron, carbon steel, stainless steel, galvanized steel, copper, brass, aluminium, nickel, tin, alloy, etc.

 

Automotive, Aerospace, Architecture and Construction, Food and Beverage Packaging, Kitchenware, Hardware, etc.Manufacturing and Repairing.

 

 

Instead of choosing only by machine structure, seam welding equipment should be selected according to material type, welding length, thickness and production requirement.

 

Seam Welding Machine for Stainless Steel Tank Welding

This type is used for stainless steel water tanks, oil tanks, chemical containers and pressure-resistant metal enclosures.

It is designed to achieve continuous airtight welding with stable seam strength and smooth welding lines.

Key considerations:

• Stainless steel thickness
• Welding length and sealing requirement
• Tank diameter or structure
• Airtightness requirement

 

Seam Welding Machine for Battery & Energy Storage Case

Used for EV battery shells, energy storage cabinets and metal enclosures that require stable sealing and safety performance.

Battery applications require consistent welding quality to ensure structural integrity and leak-proof performance.

Key considerations:

• Aluminum or stainless steel material
• Welding consistency requirement
• High production repeatability
• Automation integration

 

Seam Welding Machine for Copper Busbar & Conductive Parts

This type is used for copper busbars, laminated copper parts and conductive connectors where electrical continuity is critical.

The welding process focuses on low resistance joints and stable conductive performance rather than appearance only.

Key considerations:

Copper thickness and conductivity

Contact resistance requirement

Joint width and overlap area

Electrical performance stability

 

Seam Welding Machine for HVAC Duct & Pipe Welding

Used for ventilation ducts, air pipes and cylindrical metal structures requiring long continuous seams.

This type focuses on welding speed, seam consistency and production efficiency.

Key considerations:

• Pipe diameter and length
• Thin sheet metal thickness
• Continuous production speed
• Automation requirement

 

 

Choosing the correct seam welding machine requires a comprehensive evaluation of product design, material properties, and production requirements.

• Straight weld seams: longitudinal seam welders
• Circular or closed weld seams: circumferential seam welders
• Long or continuous sheet welding: continuous seam welding machines

• Different materials vary in electrical conductivity and thermal behavior, requiring appropriate current output and pressure control to achieve stable weld quality.

• High-volume production favors continuous or automated seam welding systems
• Small to medium batches benefit from more flexible seam welding configurations

 

Seam Welding Machine Selection Guide for Different Metal Products

Choosing the right seam welding machine depends on product structure rather than machine model.

 

Key Factor	Why It Matters
Material type	stainless steel, copper, aluminum require different welding parameters
Thickness	determines welding current and wheel pressure
Welding length	affects continuous or segment welding design
Product shape	tank, pipe, enclosure or flat sheet
Airtight requirement	critical for tanks and battery cases
Production volume	determines manual or automatic system

 

 

If you provide product drawings, Haifei can recommend a suitable seam welding machine configuration.

 

 

Specification and parameters

 

AC Seam Welder

	Items \ Model	unit	FN-100H	FN-160H	FN-200H
1	Rated capacity	KVA	100	160	200
2	Power supply	V/Ø/Hz	380V±10% / 3 phases / 50Hz
3	Rated duty cycle	%	50%	50%	50%
4	Secondary voltage no load	V	5.94 - 7.6	5.94 - 9.04	9.04 - 10
5	Welding thickness	mm	1.2+1.2	1.8+1.8	2+2
6	Electrode force Max.	KN	7	8	10
7	Cylinder stroke	mm	100	130	105
8	Cooling water consumption	L/h	1200	1500	2050
9	Working environment		temperature: 1～45℃ humidity: 35～90％

 

DC Seam Welder

	Items \ Model	unit	FN-100HB	FN-160HB	FN-200HB
1	Rated capacity	KVA	100	160	200
2	Power supply	V/Ø/Hz	380V±10% / 3 phases / 50Hz
3	Rated duty cycle	%	50%	50%	50%
4	Secondary voltage no load	V	3.52 - 7.04	4.52 - 9.05	10.6 - 12.67
5	Welding thickness	mm	1.2+1.2 steel	1.8+1.8 steel	2+2 steel
6	Electrode force Max.	KN	10	10	10
7	Cylinder stroke	mm	100	100	100
8	Cooling water consumption	L/h	1440	1800	2460
9	Working environment		temperature: 1～45℃ humidity: 35～90％

 

 

 

Seam Welding Machine Customization Options

Haifei provides customized seam welding solutions based on production requirements.

Available customization includes:

• Welding wheel design (copper alloy / special shape)
• Machine frame structure
• Welding power system
• PLC control system
• Automatic feeding system
• Adjustable welding speed
• Cooling system integration

 

Seam Welding Sample Testing Service

Before machine production, Haifei provides seam welding testing to confirm welding feasibility and process parameters.

Testing includes:

• Welding strength test
• Seam appearance check
• Airtight performance test
• Material compatibility
• Parameter optimization

This helps reduce production risk and ensures the final machine matches real production requirements.

 

Why Choose Haifei Seam Welding Machine？

Haifei focuses on industrial welding equipment manufacturing with customization capability for different metal applications.

We provide:

• Seam welding machine selection support
• Sample welding before order
• Custom fixture and wheel design
• Automation integration solutions
• Process parameter optimization
• Production line matching support

 

 

We do not only supply machines — we help you match the right welding solution for your product.

 

 

 

 

 

 

 

 

 

 

 

Not sure which seam welding machine is suitable for your product?

Send us your material type, product drawing, thickness, welding length and production requirement. Haifei will recommend the most suitable seam welding solution and configuration for your application.

 

 

Get Seam Welding Machine Recommendation

 

 

Wuxi Haifei Intelligent Equipment Co., Limited is well-known as one of the leading seam welding machine manufacturers and suppliers in China. Please rest assured to buy high quality seam welding machine made in China here from our factory. For price consultation, contact us.