专利汇可以提供Working method of motorcycle gasoline tank专利检索,专利查询,专利分析的服务。并且PURPOSE: To work a blank material to a good titled member at low working costs and low die costs by applying positive-size lancing to the top surface of the front and rear parts of a drawn member just prior to the completion of drawing, thence cutting and separating scraps in a horizontal cutting process.
CONSTITUTION: In the 1st process of the drawing processes for a motorcycle gasoline tank member, a rectangular sheetlike blank material 1 is drawn, and just prior to the completion of the drawing, positive-size lancings A, B are applied, respectively, to the front part top surface 3 and rear part top surface 4 of the drawn member 2 formed by drawing. Thence, in the 2nd process, horizontal cutting is applied to simultaneously cut the front part side face 7 including the front part top surface 3 and the lower side face 6 including the rear part top surface 4 and rear part slope 5 to positive sizes and these are separated as scraps.
COPYRIGHT: (C)1981,JPO&Japio,下面是Working method of motorcycle gasoline tank专利的具体信息内容。
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