零件的铣削加工造型与程序编制

范文编号:JX423 范文字数:14467,页数:25

摘要：根据数控铣床的加工工艺分析与数控加工程序编制时的关键和难点,以加工中心铣床为例,介绍数控铣床的加工工艺拟定原则和数控铣床加工程序编制时应该注意的事项,井以实例说明数控铣床数控加工程序的编制方法。
关键词：加工中心  数控加工  程序编制  加工工艺  工艺路线  加工余量

Abstract: According to the numerical control milling machine's processing process study and time the numerical control processing program establishment's key and the difficulty, take the machining center milling machine as an example, introduced the numerical control milling machine's processing craft draws up the principle and when the numerical control milling machine processing program establishment should pay attention item, well by example explanation numerical control milling machine numerical control processing program establishment method.
key word: Machining center numerical control processing program establishment processing craft craft route machining allowance

 摘要........................................1
一、数控发展史...............................1
 1.1 数控系统发展简史及趋势.............................1
 1.2 机床数控化改造的必要性.............................3
二、机床的选择...............................3
 2.1 加工中心由来.......................................4
 2.2 加工中心分.........................................4
 2.3 加工中心工作原理...................................5
 2.4 数控加工的特点.....................................5
三、零件的分析...............................6
 3.2 数控铣削加工工艺的主要内容.........................6
 3.3 零件的技术要求分析.................................8
四、毛坯的分析...............................8
 4.1 毛坯的种类.........................................8
 4.2 毛坯种类的选择原则.................................9
 4.3 毛坯的形状与尺寸的选择.............................9
五、零件工艺规程的设计.......................10
 5.1 基准的的选择.......................................10
 5.2 精基准的选择.......................................11
 5.3 粗基准的选择.......................................12
 5.4 工序集中与分散的选择...............................12
 5.5 零件表面加工方法的选择.............................12
 5.6 制定数控加工工艺路线及切削用量.....................13
六、数控加工程序的编制.......................16
 6.1 数控编程方法及特点.................................16
 6.2 对刀点的选择.......................................16
 6.3 数控加工程序的内容................................18
 6.4 工艺卡............................................18
 6.5 加工程序单........................................18
 结束语.....................................21
参考文献....................................22

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