Description Overview Ultrasonic sewing machine Working speed: 0 to 20 m/min Frequency: 20 kHz Output: 1800 to 2500 W Feature: one motor Roller lifting: manual Specifications Suitable roller diameter: 50 to 60 mm Suitable roller width: 5 to 55 mm Dimension: 1200 x 540 x 970 mm Wooden case dimension: 1260 x 600 x 1300 mm Gross weight: 120 kg Suitable Materials All kinds of artificial leather and fabric Nonwoven fabric Spun-bonded cotton Thermoplastic film