Detailed Product Description HFJ-18 carding machine, with single cylinder high-speed coming and double-dofferoutput, is suitable for carding 1.5D- ... . The cottonfeeding roller is controlled by frequency conversion and the machine is equippedwith anti-mental protection device.Specifications: 1) Power: 10 ... , 1,850mm, 2,300mm3) Cylinder: Φ850mm4) Doffer: Φ492mm5) Mesh output speed: 20 - 45m/min