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No. 538, Xingfu Road, Ind. East Zone, Chengdu, Sichuan, China
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Product Introduction:
Designed for circumferential seam welding of stainless steel ducts and formed duct components, this vertical seam welding machine provides an integrated solution combining workpiece positioning, mechanical transmission, electrode pressure, welding control and cooling. Its upper and lower copper electrode wheels work together while the workpiece is rotated through the welding area, allowing a complete circular seam to be processed within a fixed workstation. The pneumatic actuator at the top controls the electrode movement, while the side-mounted control cabinet provides centralized machine operation and welding control. A stainless steel water tray is incorporated into the lower section to support the cooling system. With its compact yet industrial structure, the machine is well suited for professional fabrication of stainless steel ducts and similar cylindrical or formed components.
Features:
1.Dedicated Circumferential Welding Design: Developed for circumferential joints of stainless steel ducts and similar cylindrical or formed components, suitable for welding 0.5+0.5 mm stainless steel material.
2.Coordinated Upper and Lower Electrodes: Equipped with upper and lower copper electrode wheels, with the upper electrode automatically performing the welding while the workpiece is rotated.
3.Straightforward Operation: The duct is positioned over the lower electrode wheel and manually rotated while the machine performs the main welding operation.
4.Pneumatic Pressure Mechanism: A pneumatic actuator is installed at the top to provide mechanical movement for the electrode assembly.
5. Independent Welding Control System: A dedicated side-mounted control cabinet integrates the machine operation and welding control functions.
6. Integrated Industrial Structure: Transmission, conductive, welding, air and water systems are integrated into one machine, with overall dimensions of approximately 1600 × 1000 × 2200 mm and a weight of about 750 kg.
Welding Test:



Welding Workpiece: Suitable for stainless steel ducts, straight tubes, reducers, elbows and other cylindrical workpieces with circumferential seams.
Detailed Images:

Upper & Lower Electrode Wheels: The upper and lower copper electrode wheels form the main welding contact area as the duct rotates through the welding position.

Upper Pneumatic Actuator: The top pneumatic cylinder drives the welding assembly vertically and provides the required movement for the upper electrode wheel.

Gas Storage Tanks: Stores and buffers compressed air to provide a stable air supply for the pneumatic system.

Water Circuit Components: Equipped with flow monitors, water pipes, valves and fittings for monitoring and controlling the cooling water circulation.
General Structures:


Technical Parameters:
|
Model Item |
Unit
|
FN-80-H
|
FN-100-H
|
FN-160-H
|
FN-100-E
|
FN-160-E
|
|
Rated power |
KVA
|
80
|
100
|
160
|
100
|
160
|
|
Voltage input |
V
|
380
|
380
|
380
|
380 |
380
|
|
Frequency |
Hz
|
50
|
50
|
50
|
50
|
50
|
|
Max. short circuit current |
KA
|
26
|
30
|
40
|
30
|
40
|
|
Working stroke |
mm |
100 |
100
|
100 |
100 |
100
|
|
Welding efficiency |
m/min
|
0.7-3.9
|
0.7-3.9
|
0.7-3.9
|
0.7-3.9
|
0.7-3.9
|
|
Max. force |
N
|
6000
|
6000
|
7800
|
6000
|
7800
|
|
Max. welding capacity |
mm
|
1.2+1.2
|
1.5+1.5
|
2.0+2.0
|
1.5+1.5
|
2.0+2.0
|
|
Motor Power |
W
|
550
|
750
|
750
|
750
|
400
|
|
Cooling consumption |
L/min
|
8
|
8
|
10
|
8
|
10
|
|
Weight
|
Kg
|
380
|
510
|
630
|
530
|
700
|
Scene Images:


Multi Types of Seam Welders:
Ring Seam Welding Machine
The seam welding machine is designed for circumferential seam welding of corrugated stainless steel pipe fittings, widely used in appliance connectors such as dishwashers and washing machines. It features automatic clamping and rotary welding, offering stable welding, easy operation, and efficient performance for continuous mass production.
Automatic Filter Drum Longitudinal Seam Welding Machine
The seam welding machine is designed for automatic rolling and longitudinal seam welding of low-carbon steel filter drums. Suitable for 0.5–1.5 mm steel sheets, it features pneumatic pressurization and servo-driven roller welding for stable, efficient, and automated production.
Horizontal Automatic Seam Welding Machine
The seam welder is mainly designed for welding shock absorbers or piston cylinder tubes. It is an automatic welding equipment used for welding circular and annular welds, widely used for welding various metal materials with sealing requirements, including stainless steel, low-alloy steel, aluminum, iron, and other alloys. It mainly completes welding by rotating the electrode to drive the workpiece to rotate.
FAQ:
1. When can you arrange shippment?
The shippment is 15 days after getting deopsit, but customized machines should be more than 25 days.









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