机械5

钻机用心轴的制造加工工艺及铣斜角及V型面夹具设计 [摘要]本次设计内容包含了机械制造工序、工艺和夹具设计，车床的钻，铣，磨等多方面的知识。 钻机用心轴的制造过程是包括部分过程设计和工艺设计处理。在工艺设计中，对具体的技术要求分析，如使用用途和所述特定尺寸和形状的首先分析，然后将坯件的结构分析处理，并且选择的部分的加工基准，然后处理的部分的路线工艺;然后在过程中的步骤分部计算，确定每个进程的进程和切削量。最后对V型面铣削进行专用的夹具设计。 [关键词]制造工艺；工序；夹具设计 Ma
nufacturi
ng Tech
nology a
nd Fixture Desig
n of Drill Ma
ndrel [Abstract] This desig
n i
ncludes mecha
nical ma
nufacturi
ng process, process a
nd fixture desig
n, lathe drilli
ng, milli
ng, gri
ndi
ng a
nd other k
nowledge. The ma
nufacturi
ng process of drill ma
ndrel i
ncludes part of process desig
n a
nd process desig
n. I
n the process desig
n, the specific tech
nical requireme
nts are a
nalyzed, such as the use a
nd the specific size a
nd shape first, the
n the structure of the billet is a
nalyzed a
nd processed, a
nd the processi
ng datum of the selected part is processed, the
n the route tech
nology of the processed part is processed, a
nd the
n the process a
nd cutti
ng qua
ntity of each process are determi
ned by the step-by-step calculatio
n i
n the process. Fi
nally, a special fixture for V-shaped surface milli
ng is desig
ned. [Keywords] ma
nufacturi
ng process；worki
ng procedure a
n； fixture desig
n 目录 中文摘要.............................................................................................................................III 外文摘要..............................................................................................................................IV 前言........................................................................................................................................1 1零件的分析........................................................................................................................2 1.1零件........................................................................................................................2 1.2零件的简要分析...................................................................................................2 2毛坯的确定........................................................................................................................4 2.1确定毛坯的制造形式............................................................................................4 2.2毛坯形状及尺寸....................................................................................................4 3拟定加工工艺路线.............................................................................................................6 3.1基准的选择............................................................................................................6 3.2制定工艺路线........................................................................................................8 4切削用量和公时计算......................................................................................................11 4.1粗车Φ77外圆，Φ53内圆和左端面.................................................................11 4.2粗车Φ35外圆和右端面......................................................................................11 4.3铣斜角及端面......................................................................................................12 4.4精车Φ77外圆，Φ53凹圆和左端面.................................................................13 4.5精车Φ35外圆和右端面.....................................................................................14 4.6钻Φ8孔...............................................................................................................14 4.7钻5-M8-H7螺纹孔，攻丝..................................................................................15 5夹具设计..........................................................................................................................17 5.1专用夹具简介......................................................................................................17 5.2拟定夹具定位方案..............................................................................................18 5.3绘制夹具装配图..................................................................................................18 5.4装配图上标注尺寸，配合尺寸及技术要求.......................................................19 5.5定位误差分析......................................................................................................19 5.6切削力和夹紧力的计算......................................................................................20 5.7夹具设计及操作的简要说明..............................................................................21 总结......................................................................................................................................22 参考文献..............................................................................................................................23 致谢......................................................................................................................................24