机械5

摘要 研磨机是用涂上或嵌入磨料的研具对工件表面进行研磨的磨床。主要用于研磨工件中的高精度平面、内外圆柱面、圆锥面、球面、螺纹面和其他型面。本次设计的小型陶瓷球研磨机用于研磨加工直径为1～6mm的陶瓷球。 本次设计首先，通过对陶瓷球研磨机结构及原理进行分析，在此分析基础上提出了其设计方案；接着，对主要技术参数进行了计算选择；然后，对各主要零部件进行了设计与校核；最后，通过AutoCAD制图软件绘制了研磨机装配图及主要零部件图，。 通过本次设计，巩固了大学所学专业知识，如：机械原理、机械设计、材料力学、公差与互换性理论、机械制图等；掌握了普通机械产品的设计方法并能够熟练使用AutoCAD制图软件，对今后的工作于生活具有极大意义。 关键词：陶瓷球，研磨机，摩擦轮传动，齿轮传动 Abstract Gri
ndi
ng machi
ne is a ki
nd of gri
ndi
ng machi
newhich uses abrasive tools coated or embedded to gri
nd theworkpiece surface. It is mai
nly used for gri
ndi
ng high precisio
n pla
nes, i
n
ner a
nd outer cyli
ndrical surfaces, co
nical surfaces, spherical surfaces, threaded surfaces a
nd other profiles i
nworkpieces. The small-sized ceramic ball gri
nder desig
ned i
n this paper is used for gri
ndi
ng ceramic ballswith diameter of 1-6 mm. Firstly, through the a
nalysis of the structure a
nd pri
nciple of the ceramic ball gri
nder, the desig
n scheme is put forward o
n the basis of the a
nalysis; the
n, the mai
n tech
nical parameters are calculated a
nd selected; the
n, the mai
n parts are desig
ned a
nd checked; fi
nally, the assembly drawi
ng a
nd the mai
n parts drawi
ng of the gri
nder are draw
n by AutoCAD drawi
ng software. Through this desig
n,we have co
nsolidated our professio
nal k
nowledge, such as mecha
nical pri
nciple, mecha
nical desig
n, material mecha
nics, tolera
nce a
nd i
ntercha
ngeability theory, mecha
nical drawi
ng, etc. We have mastered the desig
n method of commo
n mecha
nical products a
nd ca
n skillfully use AutoCAD drawi
ng software,which is of great sig
nifica
nce to our futurework a
nd life. Keywords: Ceramic Ball, Gri
nder, Frictio
n Wheel Drive, Gear Drive 目录 摘要I Abstract II 第1章绪论1 1.1研究背景及意义1 1.2研磨机简介1 1.3国内外研究及发展现状2 第2章总体设计4 2.1设计要求4 2.2研磨机原理分析4 2.3方案设计4 2.4总体参数选择及计算5 2.4.1选择电动机5 2.4.2动力参数计算6 第3章传动机构设计8 3.1摩擦轮传动设计8 3.1.1摩擦轮材料的选择8 3.1.2摩擦轮结构设计8 3.2齿轮传动设计8 3.2.1选精度等级、材料和齿数8 3.2.2按齿面接触疲劳强度设计8 3.2.3按齿根弯曲强度设计10 3.2.4几何尺寸计算11 3.2.5验算11 3.3轴的设计与校核12 3.3.1输入轴12 3.3.2中间轴的设计14 3.3.3主轴的设计17 3.4轴承的选择与校核20 3.4.1输入轴上轴承20 3.4.2中间轴上轴承21 3.4.3主轴的轴承校核21 3.5键的选择与校核23 3.5.1输入轴上键23 3.5.2中间轴上键23 3.5.3主轴上键23 3.6联轴器的选用24 3.7箱体设计24 3.8润滑部分的选择25 第4章研磨装置设计26 4.1研磨盘设计26 4.2压紧机构设计26 4.2.1液压缸选择26 4.2.2压紧支座的设计27 4.3研磨辅料的选用27 4.3.1研磨材料的选择27 4.3.2磨粒的选择28 4.3.3加工液28 总结29 参考文献30 致谢31