毕业设计说明书格式.doc

毕业设计说明书 2010汽车变速箱箱体三面钻孔组合机床总体及右主轴箱设计摘 要：汽车变速箱是需要大量生产的零件。为了提高加工精度和生产效率，需要设计一台组合机床来改善汽车变速箱的加工情况。本课题设计的是汽车变速箱箱体三面钻孔组合机床。用于加工被加工零件左、右、后三个面上的26个m10的螺纹底孔、一个m14的螺纹底孔、3个8的光孔和一个m30的螺纹底孔。一次装夹同时完成30个孔的加工。关键词：变速箱；钻孔；组合机床；主轴箱design of general and right headstock of modular machine tool for drilling holes on three-side of truck gear boxabstract: the truck gear box is a product which needs mass production. in order to prove the disposition and the production efficiency, need to design a high effective modular machine tool to improve the production of the truck gear box. .key word: gear box; drill hole; modular machine tool; headstock.（中文题目，三号黑体加粗，居中，单倍行距，段前1行、段后1行）摘要：（四号黑体）（小四号宋体，行距24磅）（小四号宋体，行距24磅）（小四号宋体，行距24磅）关键词：（四号黑体）；（小四号宋体，行距24磅）页面设置说明：纸张a4，21厘米29.7厘米；页边距：上3.3厘米，下2.54厘米，左3.17厘米，右3.17厘米；页眉距边界：2厘米；页脚距边界：1.75厘米；页眉文字“盐城工学院本科生毕业设计说明书 2009”宋体、小五号、居中。xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx（英文题目times new roman字体，三号加粗居中，单倍行距，段前1行、段后1行）abstract：(times new roman字体，四号加粗) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx（times new roman字体，小四号，行距24磅）xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx（times new roman字体，小四号，行距24磅）xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx（times new roman字体，小四号，行距24磅）key words：(times new roman字体，四号加粗)：xxx；xxx；（times new roman字体，小四号，行距24磅）页面设置说明：纸张a4，21厘米29.7厘米；页边距：上3.3