| 简介 |
PROBLEM TO BE SOLVED : To provide a method for producing a winding of a plurality of carbon fiber bundles in production of carbon fibers bundles through baking a bundle of carbon precursor fibers, suppressing a new equipment investment, raising a fiber bundle density in the equipment in the baking process, effectively producing carbon fiber bundles with reduced filaments, obtaining a high-quality carbon fiber bundles with rare development of fluff.
SOLUTION : The method includes the process of imparting convergence to the bundle of carbon precursor fibers by subjecting to an air entangling treatment, the process of producing carbon fiber bundle by subjecting the bundle of carbon precursor fibers to a flameproof treatment and a carbonizing treatment, and the process of winding at least the two carbon fiber bundles on a single bobbin without arranging the carbon fiber bundles, or parallelly disposing each other and winding on a single bobbin.
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