abstract:
the main program for this graduation design is to finish the design and producing process of the shell of controlling-box .to every student ,the graduation design is a opportunity to apply the knowledge we learned ,at the same time ,we can make best of this chance to find out our shortcomings in order to get the stead foundation of studying and work in the near future .first ,we are supposed to analyze the character of the strop before we decide to which kind of mold should be the best way to do it .because using the different method ,we can get the different products in quality and the cost concerned is also different .for these reasons, we should find out the best way in terms of the quality and cost .after analysis and comparison ,we decide to chose punch as the best way.
Keywords: Hurtle to press the craft 、 mold design ,skill method