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发明公开
CN103826772A 杯状部件的制造方法以及制造装置 失效 - 权利终止

杯状部件的制造方法以及制造装置
摘要：
一种制造形成有凹凸部（721）的杯状部件（7）的方法。杯状部件（7）具有底部（71）和圆筒部（72）。在圆筒部（72）上形成具备小径部（722）、大径部（723）和齿面部（724）的凹凸部（721）。具有使坯料成形为杯状的拉深工序、形成预备凹凸部（73）的预备加工工序、形成凹凸部（721）的精加工工序。在预备加工工序中，使预备大径部（731）的宽度尺寸（W2）成形为比凹凸部（721）的大径部（723）的宽度尺寸大的尺寸。
摘要（英）：

The present invention relates to a method for manufacturing a cup-shaped component (7) in which an uneven part (721) is formed. The cup-shaped component (7) comprises a bottom part (71), and a cylindrical part (72). The cylindrical part (72) comprises the uneven part (721) which comprises a small diameter part (722), a large diameter part (723), and a tooth surface part (724). The present invention comprises a drawing process in which a material is processed into a cup shape, a preliminary processing process in which a preliminary uneven part (73) is formed, and a finishing process in which the uneven part (721) is formed. In the preliminary processing step, the width dimension (W2) of a preliminary large diameter part (731) is made to be larger than the width dimension of the large diameter part (723) of the uneven part (721).

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