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Japan Gifu University Mold Innovation Technology Research Center has worked with Central Fine Tool in the joint development of resin gear that has utilized carbon fiber fabric in the material reinforcement.
Through the practical application of this kind of gears to replace the metal gears used in the automobiles and other industrial equipment, the automobile and other industries can achieve weight reduction and reduce the production cost and extend the production shelf life.Normally, the gear under the action from the pressure that applied on the gear teeth surface, the root of the gear teeth will receive the tensile stress. Therefore, the research of Gifu University and other institutes has applied carbon fiber in the gear, through which the tensile stress has been reduced and the gear life has been extended.The carbon fiber reinforced composite materials (CFRP) that has been widely used in the high end manufacturing such as aerospace and others. Although CFRP has the advantages such as high strength and light weight, but as it has very high demand on the material processing and application so that CFRP, at present, cannot be used in the machine parts mass production.However, if this newly developed gears can provide a applicable process technology that can be used in automobile and other industrial equipment manufacturing. Then the carbon fiber materials can be mass utilized in these kind of parts manufacturing, which in turn provide a revolutionized method in light weight and energy saving.Gifu University has developed a mold that can be used in the onetime molding for the carbon fiber fabric and resins. Gifu University has applied patent for the gears that has been made through such molding process. The gear sample has been completed, however there are needs to complete the continuous specific verification on the manufacturing cost and the production strength. In the future, there will be repeating verifications, but the target is to put into actual applications before the March of 2017.More information:www.gifu-u.ac.jp - www.cft.jpOriginal language Chinese