| 摘要 |
<P>PROBLEM TO BE SOLVED: To make a designing requirement and formability compatible with each other in forming a top cowl by facing hydraulic press. <P>SOLUTION: The top cowl 71 a bottom part 71b of which is opened for storing an engine 10 from this opening part 71c is formed of nonferrous metal by the facing hydraulic press, the top cowl 71 has a roughly parallel peripheral wall, the opening part 71c is cut off by inclining the cowl part 71 forward in the progressing direction and a cut end surface angle A of the opening part 71c is made different from an end surface angle B of a forming shape. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
