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多轴器结构设计与动力座三维模拟分析.doc
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多轴器结构设计与动力座三维模拟分析.doc
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多轴器结构设计及其动力座三维模拟分析
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目录
摘 要....................................................................................................................................................1
ABSTRACT........................................................................................................................................1
第 1 章 绪 论.......................................................................................................................................3
1.1 引言.......................................................................................................................................3
1.2 研究背景...............................................................................................................................3
1.3 多轴器的概述.......................................................................................................................4
1.3.1 多轴器简介................................................................................................................4
1.3.2 多轴器的种类............................................................................................................5
1.4 本章小结............................................................................................................................6
第二章 多轴器的结构设计方案论证...............................................................................................7
2.1 各种方案简述....................................................................................................................7
2.1.1 方案一..................................................................................................................7
2.1.2 方案二..................................................................................................................7
2.1.3 方案三..................................................................................................................8
2.2 各种方案的比较..............................................................................................................10
2.3 本章小结..........................................................................................................................10
第三章改进的万向式多轴器的结构设计及建模...........................................................................11
3.1 改进的万向式多轴器的结构.............................................................................................11
3.2 改进的万向式多轴器的工作原理.....................................................................................11
3.3 改进的万向式多轴器的工效计算.....................................................................................11
3.4 多轴器齿轮传动系统的排布及计算.................................................................................14
3.5 改进的万向式多轴器的可弯曲组件设计........................................................................16
3.6 本章小结.............................................................................................................................17
第四章 动力座的三维有限元分析及改进.....................................................................................18
4.1 有限单元法的计算思路.....................................................................................................18
4.1.1 物体离散化..............................................................................................................18
4.1.2 单元特性分析..........................................................................................................18
4.1.3 单元组集..................................................................................................................18
4.1.4 求未知节点位移解有限元方程式得出节点位移.................................................19
4.2ABAQUS 介绍....................................................................................................................19
4.3 有限元分析的实现.............................................................................................................19
4.4 动力座的静力有限元模拟分析.........................................................................................20
4.4.1 有限元模型建立......................................................................................................20
4.4.2 材料参数..................................................................................................................20
4.4.3 施加约束和载荷......................................................................................................20
4.4.4 划分网格和计算求解..............................................................................................21
4.4.5 查看云图..................................................................................................................22
4.5 结构改进分析.....................................................................................................................23
4.6 本章小结.............................................................................................................................24
结论...................................................................................................................................................25
参考文献...........................................................................................................................................26
致谢...................................................................................................................................................26
普通钻床改造为多轴钻床(译文)....................................................................................................28
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摘 要
多轴器是广泛应用于机械行业多孔零件的钻孔以及攻丝加工的普通钻床的特殊附件。
装配有多轴器的普通钻床可以对多孔零件进行一次性加工,大大提高了零件的加工效率。
因其加工能力强、价格低廉,越来越受到企业的欢迎。同时客户对于多轴器的个性化需求
也越来越高,能够快速设计出客户需要的多轴器成为企业在竞争激烈的市场中占有一席之
地的重要砝码。一台普通的钻床可以安装不同的多轴器来满足不同的加工需要,装上多轴
器后就能一次性把几个乃至十几、二十几个孔或螺纹一次性加工出来,这样就大大提高了
零件的加工精度与效率,为企业带来了很大的经济效益。在这次设计中,查阅了关于多轴
器的一些书刊资料,对多轴器有了基本的认识。在这种情况下,结合所查阅到的资料,设
计出了三种方案,并对这三种方案进行了相互比较,最后选定了第三种方案。方案选定后
随之对多轴器的传动系统做了设计和计算。齿轮传动机构布局无干涉计算算法解决了设计
人员在平面内齿轮系快速挂接问题,从而可以使在齿轮传动机构重新设计的速度大幅度提
高,同时为今后空间齿轮机构布局问题的研究奠定了理论基础。并且用强大的三维软件
SOLIDWORK 对改进的万向式多轴器进行三建模。为实现有限元分析,本文对多轴器的动
力座通过 ABAQUS 进行了有限元静力分析,使三维设计软件 SOLIDWORK 和有限元分析
ABAQUS 软件无缝连接环境下进行导入计算分析受力分析,并得出应力分布云图等。通过
结果云图对其动力座进行改进分析,最后通过加大加强筋的厚度使其强度得到提高。在文
章的最后简明的介绍了做本次毕业设计的一些心得体会。
关键词:多轴器 结构设计 有限元分析 ABAQUS SOLIDWORK
ABSTRACT
The multiaxial regulator is widely used in mechanical industry porous parts drilling and tappin
g processing ordinary drilling special accessories. The multiaxial device equipped with ordinary dr
illing machine can on porous parts one-time processing, greatly improving the parts processing eff
iciency. Because of its strong processing capability, cheap, more and more get the wele of enterpri
ses. While customers for the personalized needs of multiaxial device more and more is also high, c
an rapid design of a client needs multiaxial device to bee the enterprise in the fierce petition in the
market the important farmar occupies a place. A mon drilling machine can install different multi-a
xis device to meet different processing need, mount multi-axis implement hind can one-time put s
everal and even teens and more than 20 holes or threaded one-time machined out, thus greatly imp
roved parts processing accuracy and efficiency, for enterprise brought great economic benefits. In
this design, consult the multiaxial device about some books material, of multiaxial implement hav
e a basic understanding. In this case, together with reference to the material, design out three sche
mes of the three schemes are pared each other, and finally picked the third way. Plan selected, the
n multiaxial device for the transmission system made design and calculation. The cog-wheel geari
ng layout without interference puting algorithm can solve the design personnel in the in-plane gear
trains, thus rapid articulated can make in the cog-wheel gearing redesigned speed greatly raised, al
so for future space layout problems gear mechanism which lay a theoretical foundation for the res
earch. And with powerful 3d software improvements to the universal type SOLIDWORK multiaxi
al implement three modeling. The finite element analysis, this paper for the realization of multiaxi
al device power seat with finite element method by ABAQUS static analysis, make 3d design soft
ware SOLIDWORK and finite element analysis ABAQUS software seamless connection environ
ment into force analysis, calculation and analysis concluded and the stress distribution of convecti
ve etc. The results of its power seat cloud improved by strengthening analysis, finally the thicknes
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s of the reinforced its strength improved. At the end of the article simply introduces do this design
graduate some attainment experience.
Keywords:
Mutil-axis device Structure designing Finite element analysis ABAQUS SOLIDWORK
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