double serging machine

main application & performance mattress side panel, it has two independent sergers, synchronization of them is controlled by two AC motors with frequency converter velocity modulation, the machine has two Servo drive variable speed puller with long lasting urethane rollers, material tensioning device, and rewinder. Machine has excessive material auto-cutting device along with a vacuum scrap-collection device. Additionally, it is equipped with thread break detection device as well as material splice auto-stop device. Main parameter: Serging mode: single border, dual border Sewing width: 6.5mm Serging width: 150-500mm (adjustable) Serging speed: 15-30M/min (adjustable) Max. Material thickness: ≤20mm (middle density) Needle Pitch: 2-7mm, freely adjustable Max. Presser lift: 15mm Rated air pressure: 0.5-0.8Mpa Power: 2.5KW