
Fn-160 Pneumatic AC Seam Welding Machine. Variable Frequency Motor: 3-phase motor with variable frequency for stable and adjustable welding speed. Advanced Cooling System: Internal water cooling for circuit loop and external cooling for welding wheels. Silver Bushings Structure: Embedded silver bushings with hermetic oil lubrication prevent locking and ensure flexibility. Nanometer Ceramic Coating: Rotation axis uses nanometer ceramic spraying for superior anti-friction and longer machine life. Square Guidance Bar: Square cylinder guidance bar prevents welding wheel skewing for better welding quality. High-Performance Transformer: Silicon sheets with 15000 gauss permeability and full copper alloy core for high power utilization. Durable Welding Wheels: Made of CuCrZr material with water cooling for extended service life and anti-friction. Flexible Customization: Offers full, minor, and flexible customization options from samples or designs.