# Classification
Classified by power source: AC and inverter DC
Classified by welding wheel direction: Horizontal and longitudinal
Classified by quality grade: Premium and standard versions
This Seam Welding Machine offers flexible configurations to meet diverse production needs.
# Features
1. Equipped with a 3-phase variable-frequency motor, providing steady welding speed, simple adjustment, and stable operation.
2. The welding circuit loop adopts internal water cooling, while the welding wheels (electrodes) are cooled externally.
3. The conductive rotating parts adopt an embedded silver bushing design; the conductive base is sealed oil-lubricated and water-cooled to ensure flexible rotation and avoid locking.
4. Supporting both horizontal and longitudinal welding modes, this Automated Seam Welding System is available in H (horizontal) and L (longitudinal) types.
# Main Advantages Over Other Products
1. The unique embedded silver bushing structure for conductive rotating parts, combined with sealed oil lubrication and water cooling, guarantees smooth and reliable rotation.
2. The rotating shaft inside the conductive base is treated with nanometer ceramic spraying, which is far more wear-resistant than traditional nylon materials, effectively extending service life.
3. Square cylinder guide bars (instead of round types) prevent welding wheel deflection, resulting in more stable and higher-quality welding performance.
# Machine Composition
1. Machine body: Adopts vertical reinforced structure, welded with high-quality thick steel plates.
2. Transformer: Constructed with 15000 gauss high-permeability silicon steel sheets, internally water-cooled, with full copper alloy core to reduce impedance and improve power efficiency. With 50% duty cycle, it supports long-time welding with high output, longer service life, lower noise, and compact structure.
3. Solenoid: Sourced from Taiwan, featuring high speed and reliable quality.
4. Cylinder: Made of high-precision anti-friction hard duralumin, rustproof, low friction, low noise, and fast pressurization, reducing welding spatter.
5. Welding wheels: Made of CuCrZr alloy with excellent wear resistance, water-cooled for longer 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 applied in metal fabrication, electrical appliances, fuel tanks, water tanks, and other industries. It is particularly suitable for seam welding of 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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