机械5

CA6140型车床主轴设计及建模仿真 摘要：CA6140型车床是一种典型的车削切削机床，它十分广泛的在机械加工行业中应用。它是一种卧式加工机床。机床的主轴是车床的主要运动部件。主轴组件质量直接关系到机床的加工精度。 本次设计主要针对于CA6140主轴传动系统的设计，主要采用理论计算及cad软件和3D软件辅助同时进行设计的方法。通过计算建模并仿真，主传动部分所作的工作包括：主传动电机的选择，带轮的计算。以及各个传动齿轮、轴、轴承、主轴、计算和校核。根据计算的结果，利用3D软件进行主传动系统的建模，软件绘制主轴箱的装配图，创建主轴箱中重要部分的三维实体建模。进行动态仿真。得出结论验证CA6140主传动系统的计算是否准确，各部分有无干涉。 关键词：CA6140型车床、主传动、主轴、实体建模、动态仿真 Abstract The CA6140 lathe is a typical tur
ni
ng a
nd cutti
ng machi
ne. It iswidely used i
n the machi
ni
ng i
ndustry. It is a horizo
ntal machi
ni
ng machi
ne. The spi
ndle of the machi
ne is the mai
n movi
ng part of the lathe. The quality of the spi
ndle assembly is directly related to the machi
ni
ng accuracy of the machi
ne tool. This desig
n mai
nly focuses o
n the desig
n of the CA6140 spi
ndle drive system. It mai
nly uses theoretical calculatio
ns a
nd cad software a
nd 3D software-assisted simulta
neous desig
n methods. Through computatio
nal modeli
ng a
nd simulatio
n, thework do
ne by the mai
n drive sectio
n i
ncludes: selectio
n of the mai
n drive motor a
nd calculatio
n of the pulley. A
ndvarious tra
nsmissio
n gears, shafts, beari
ngs, spi
ndles, calculatio
ns a
nd check. Based o
n the results of the calculatio
n, the 3D software is used to model the mai
n drive system, the software is used to draw the assembly diagram of the spi
ndle box, a
nd 3D solid modeli
ng of importa
nt parts i
n the spi
ndle box is created. Perform dy
namic simulatio
n. Draw co
nclusio
ns toverify CA6140 mai
n drive system calculatio
n is accurate,whether the i
nterfere
nce of each part. Keywords：CA6140 Lathe, Mai
n Drive, Spi
ndle, Solid Modeli
ng, Dy
namic Simulatio
n 目录 摘要................................................................................. I Abstract............................................................................ II 1绪论............................................................................... 1 1.1选题的目的与意义............................................................. 1 1.2国内外研究现状............................................................... 1 1.2.1国外研究现状........................................................... 1 1.2.2国内研究现状........................................................... 2 1.3本课题主要研究内容........................................................... 2 2总体研究........................................................................... 3 2.1系统总体框图................................................................. 3 2.2本项目关键技术设计........................................................... 3 3传动件的设计....................................................................... 5 3.1主运动参数设计............................................................... 5 3.1.1已知条件............................................................... 5 3.1.2结构分析式............................................................. 5 3.1.3绘制转速图............................................................. 6 3.1.4绘制传动系统图......................................................... 8 3.2动力设计及校核............................................................... 8 3.2.1确定各轴转速........................................................... 8 3.2.2带传动设计............................................................. 9 3.2.3各传动组齿轮模数的确定和校核.......................................... 11 3.2.4齿轮齿根弯曲疲劳强度校核：............................................ 13 3.3各轴的设计及主轴的校核...................................................... 17 3.3.1确定各轴最小直径...................................................... 17 3.3.2主轴的计算及校核...................................................... 18 3.3.3多片式摩擦离合器的设计计算............................................ 20 3.3.4各轴轴承选择.......................................................... 22 4三维实体建模...................................................................... 23 4.1三维立体建模................................................................ 23 4.2整体装配.................................................................... 25 5动态仿真.......................................................................... 27 5.1运动仿真的工作界面.......................................................... 27 5.2运动仿真.................................................................... 28 5.3运动分析.................................................................... 30 6总结.............................................................................. 33 参考文献............................................................................ 35 致谢................................................................................ 37 附录A.............................................................................. 39