A blank is provided with a first shaft portion, a second shaft portion, and a machining target portion. The machining target portion is formed at a position closer to a shaft end portion of the first shaft portion than a shaft end portion of the second shaft portion. A first large-volume portion is formed at the first end portion of the machining target portion close to the first shaft portion, and a second large-volume portion is formed at the second end portion of the machining target portion close to the second shaft portion, respectively. The volumes per unit length of the first and second large-volume portions are greater than the volume per unit length of the intermediate portion in the axial direction of the machining target portion. Furthermore, the volume of the second large-volume portion is greater than the overall volume of the first large-volume portion.


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    Title :

    Blank and method of manufacturing rack shaft using the same


    Contributors:

    Publication date :

    2016-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B21K MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS , Herstellen von Schmiede- oder Presserzeugnissen aus Metall, z.B. Hufeisen, Nieten, Bolzen oder Rädern / B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / F16H Getriebe , GEARING





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