Description Overview Inventory number: E-8455 Ultrasonic quilting machines for sale. Can be used to compound spray-bonded non-woven fabric web and shell fabric. The compounded fabric can make winter garment linings, mattress covers, tropical quilts and disposable napkins. Pictures and diagrams available. Model SD-1550 Power supply: as per customer. Working frequency: 20 kHz. Output frequency: 6 kW. Working speed: 0-8 m/min. Effective width: 1535 mm. Pattern roll size: 1560 width x diameter 136 mm. Materials suitable for: all fiber, nylon, polyester and non-woven. Model SD-1850 Power supply: as per customer. Working frequency: 20 kHz. Output frequency: 7 kW. Working speed: 0-8 m/min. Effective width: 1845 mm. Pattern roll size: 1882 width x diameter 136 mm. Materials suitable for: all fiber, nylon, polyester and non-woven. Model SD-2300 Power supply: as per customer. Working frequency: 20 kHz. Output frequency: 9 kW. Working speed: 0-8 m/min. Effective width: 2310 mm. Pattern roll size: 2330 width x diameter 136 mm. Materials suitable for: all fiber, nylon, polyester and non-woven.