# Classification
This equipment is classified by power source as AC and inverter DC; by welding wheel direction as horizontal and longitudinal; and by quality grade as premium and basic models, all under the professional
Seam Welding Machine series.
# Features
1. It uses a 3-phase variable frequency motor, delivering even welding speed, simple adjustment, and stable operation.
2. The welding circuit loop is cooled by internal water cooling, while the welding wheels (electrodes) use external water cooling.
3. The conductive rotating parts adopt embedded silver bushings; the conductive base is sealed oil-lubricated and water-cooled to keep the bushings rotating flexibly without jamming.
4. This
Automated Seam Welding System comes in two forms: horizontal (H) and longitudinal (L) to suit different welding applications.
# Main Advantages Over Other Welders
1. The conductive rotating parts feature embedded silver bushings, with sealed oil lubrication and water cooling on the base, ensuring smooth rotation and preventing locking.
2. The rotating shaft in the conductive base uses nanometer ceramic spraying instead of ordinary nylon, offering stronger wear resistance and longer service life.
3. The cylinder guide bar is square-shaped rather than round, preventing welding wheel deflection and delivering more consistent welding quality.
# Machine Structure
1. Machine body: Vertical reinforced design, welded with high-quality thick steel plates.
2. Transformer: Made of 15000 gauss high-permeability silicon steel sheets with internal water cooling and full copper alloy core, low impedance, high power efficiency, 50% duty cycle for long working hours, high output, long service life, low noise and compact structure.
3. Solenoid: Taiwan-made, high speed and reliable quality.
4. Cylinder: High-precision anti-friction hard duralumin, rustproof, low friction, low noise, fast pressurization, reducing welding spatter.
5. Welding wheels: Made of CuCrZr alloy with high wear resistance, water-cooled for extended service life.
6. Switches
7. Air source processor
8. Conductive base with silver bushing structure
9. Controller: Sunke, a top Chinese brand
10. Motor: Mitsubishi from Japan
11. Cooling water system
12. Compressed air system
13. Monitoring and alarm system
# Applications
This
Continuous Seam Welding Equipment is widely used in metal manufacturing, electrical appliances, fuel tanks, water tanks and other fields. It is especially ideal for seam welding basins, barrels, tanks and other sealed thin-walled containers made of low-carbon steel or stainless steel.
| Model | FN-80-H(L) | FN-100-H(L) | FN-160-H(L) |
| Rated capacity | KVA | 80 | 100 | 160 |
| Primary voltage | V/PHASE | 380/1 | 380/1 | 380/1 |
| Frequency | HZ | 50 | 50 | 50 |
| Max. short circuit current | KA | 26 | 30 | 40 |
| Electrode stoke | mm | 100 | 100 | 100 |
| Welding speed | m/min | 0.7-3.9 | 0.7-3.9 | 0.7-3.9 |
| Electrode pressure | N | 6000 | 6000 | 7800 |
| Welding capacity(low carbon steel) | mm | 1.2+1.2 | 1.5+1.5 | 2.0+2.0 |
| Voltage of motor | V/PHASE | 380/3 | 380/3 | 380/3 |
| Power of motor | W | 550 | 750 | 750 |
| Cooling water flux | L/min | 8 | 8 | 10 |
| weight | Kg | 380 | 510 | 630 |
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