Description Overview Mainly used in universities and research centers Used to convert fiber into yarn Specifications Model: OE131 Spindle number: 1, 2, 3, 4 or customized Fiber type: cotton Revolving cup speed: 30000 rpm Combing roller: 6000 rpm Drafting range: 30 to 250 Coiling speed: 20 to 110000 mm per minute Fiber length: 22 to 42 mm Output capacity: 0.25 to 1 kg per hour or customized Dimension: 800 x 600 x 1700 mm