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阀体上端面程序.txt

阀体工艺工装设计及程序编制

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阀体 工艺 工装 设计 程序 编制
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!【包含文件如下】【工艺设计类】CAD图纸+word设计说明书.doc【需要咨询购买全套设计请企鹅97666224】.bat

16''240阀体镗孔夹具.dwg
16''240阀体镗孔夹具体.dwg
16'240阀体.dwg
16'240阀体毛坯图.dwg
fati.prt.1
加工工艺过程卡.doc
数控加工刀具卡片.doc
数控加工工艺卡片.doc
设计说明书.doc
阀体上端面.mxe
阀体上端面程序.txt
目录
目录 2
摘    要 3
Abstract 4
第一章零件的工艺分析 5
1.1 零件的图样分析 5
1.2 零件结构工艺分析 7
1.3零件的作用 7
1.4零件加工表面技术要求分析 7
1.5 确定铸件余量及形状 8
第二章机械加工工艺过程设计 8
2.1  选择定位基准 8
2.2 工艺路线的制定 9
2.3 机床的选择及刀具、量具的选择 10
第三章三维实体造型 11
第四章确定工序尺寸和切削用量 12
4.1加工面主要尺寸 12
4.1.1上平面加工尺寸 12
4.1.2两侧平面加工尺寸 12
4.1.3φ535孔的加工余量 13
4.1.4φ420斜孔加工余量 13
4.2孔系主要尺寸 14
4.3基本工时的确定 14
第5章数控编程 19
5.1  CAXA制造工程师的介绍 19
5.2 阀体的数控编程 19
第六章镗夹具设计 25
6.1定位基准的选择 25
6.2定位元件的设计 25
6.3切削力及夹紧力的计算 26
6.4定位误差分析 27
6.5镗套与衬套、镗套螺钉的设计 28
6.6 夹紧装置的设计和简要的操作说明 30
总 结 32
致 谢 33
参考文献 34

 

摘    要
这次设计的内容是阀体的加工工艺工装设计，它主要包括设计阀体的专用夹具和其中某一特征进行数控编程。
根据阀体的零件图分析其精度、表面粗糙度、技术要求、加工尺寸、结构类型，确定被加工零件的工艺过程，并选择好该阀体的加工基准，设计出该阀体的工艺路线；接着对阀体的各个工步的工序进行相关计算，关键是确定各个工序需要加工的设备及切削用量和基本工时；然后进行一套专用夹具的设计，在选择设计夹具中，本次针对阀体设计镗孔夹具，确定设计镗孔专用夹具。在镗孔夹具设计过程中，需要考虑的是如定位元件、夹紧元件、夹具体、导向件镗套、镗套用衬套以及镗套螺钉等；计算出夹具定位时产生的定位误差，并在后面的设计中进行改善。
最后在CAXA软件上，对阀体上端面进行数控加工，并通过处理得出加工程序。

关键词： 阀体；镗孔夹具；数控编程；CAXA

内容简介：
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