刀具课程设计--圆孔拉刀,矩形花键铣刀的设计说明书

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1、中北大学课程设计说明书圆孔拉刀,矩形花键铣刀的设计说明书目录一.绪论.............................................................31.1刀具的发展......................................................31.2本课题的研究目的................................................3二.圆孔拉刀的设计...................................................31．刀具结构参数及各部分功用....

2、.....................................52.设计步骤.........................................................53．设计要求.........................................................54．确定拉削方式.....................................................55．选择刀齿几何参数.................................................56．确定校准齿直径.

3、..................................................67．确定拉削余量.....................................................68．选取齿升量.......................................................69．设计容屑槽.......................................................610.确定分屑槽参数.................................................

4、..811.选择拉刀前柄.....................................................812校验拉刀强度与拉床载荷...........................................813确定拉刀齿数和每齿直径尺寸.......................................914设计拉刀其它部分................................................1015．计算和校验拉刀总长.............................................111

5、6．制定拉刀技术条件...............................................1217．绘制拉刀工作图.................................................12三．矩形花键铣刀的设计.............................................123.1原始数据........................................................133.2设计步骤................................................

6、........133.21齿槽半角.......................................................133.22齿顶圆弧中心半角...............................................1317中北大学课程设计说明书3.23齿顶宽.........................................................133.24初算齿廓高度...................................................133.25铣刀宽度............

7、...........................................133.26按铣刀宽度最后确定齿廓高度.....................................133.27铣刀齿顶圆弧半径...............................................143.28齿顶圆角半径........................................