Description Overview Mini wool roving machine for wool, used to produce wool rovings from card sliver Main functions are drafting and twisting, then the roving is wound on the bobbin for the next process, the ring spinning frame Number of spindles: 12 Spindle gauge: 220 mm Fiber length: 150 x 400 mm Bobbin dimension: 45 x 445 mm Drafting: four roller double short apron drafting Draft: 3 to 38 times stepless adjustable Twist range: continuously adjustable Output density range: 220 to 1250 tex Flyer form: flyer spindle Roller press form: spring weight arm pressing Bottom roller diameter: 28.5, 28.5, 28.5, 28.5 mm Roller diameter: 28, 28, 25, 28 mm Maximum capacity: 18 kg for ne 0.7, 16 kg for ne 0.8, 15 kg for ne 0.9, 13 kg for ne 1.0 Maximum idle speed: 1300 rpm Transmission mode: five axis servo motor drive Touch screen and plc control Feed-in can diameter: 400, 500, 600 mm Winding motor: servo motor 5.5 kw Flyer motor: servo motor 3.0 kw Roller motor: servo motor 2.2 kw Power supply: 3 phase ac380v 50 hz, 4 kw, 220 volt 12 positions needed to produce 10 kgs per hour Features Servo motor with simple structure Plc and touch screen control, easy to learn and operate Multi-functional design, easy to clean, set and maintain Frequency inverter for high efficiency to control roll speed Roller press system: spring pressure cradle