Description Overview Automatic curtain sewing machine Double needle sewing speed for curtain is 18000 mm per minute Hourly capacity: 720 meters per hour Sewing speed: 4000 rpm Specifications Weight: 2500 kg Dimension: 4200 x 2520 x 2400 mm Power: 5.5 kW Voltage: 480 volts Air pressure: >0.6 MPa Size range: 320 to 1800 mm Components Feeding device Rectify device Hemming device Sewing material Swing and stack device Stitches Available Single needle chain stitch Double needle chain stitch Single needle lock stitch Hem