机械5

摘要 这次设计的是接头。包括零件图、毛坯图、装配图各一张，机械加工工艺过程卡片和与工序卡片各一张。根据零件的性质和零件图上各端面的粗糙度确定毛坯的尺寸和机械加工余量。最后拟定接头的工艺路线图，制定该工件的夹紧方案，画出夹具装配图。 机械制造工艺学课程设计是我们学完了大学的全部基础课、技术基础课以及大部分专业课之后进行的.这是我们在进行设计之前对所学各课程的一次深入的综合性的总复习,也是一次理论联系实际的训练,因此,它在我们四年的大学生活中占有重要的地位 就我个人而言，我希望能通过这次课程设计对自己未来将从事的工作进行一次实际的训练，从中锻炼自己分析问题、解决问题的能力。由于能力所限，设计尚有许多不足之处，恳请各位老师给予指导。 Abstract This desig
n is a joi
nt.I
nclude o
ne part drawi
ng, bla
nk drawi
ng a
nd assembly drawi
ng, o
ne card for machi
ni
ng process a
nd o
ne card for process.The size of the bla
nk a
nd the machi
ni
ng allowa
nce are determi
ned accordi
ng to the
nature of the part a
nd the rough
ness of each e
nd face o
n the part drawi
ng.Fi
nally, the process roadmap of the joi
nt is draw
n up, the clampi
ng scheme of thework piece is formulated, a
nd the assembly drawi
ng of the clampi
ng fixture is draw
n up. The course desig
n of mecha
nical ma
nufacturi
ng tech
nology is carried out afterwe have completed all the basic courses, tech
nical basic courses a
nd most professio
nal courses i
n the u
niversity. It is a
n i
n-depth comprehe
nsive review of all courseswe have lear
ned beforewe carry out the graduatio
n desig
n a
nd a trai
ni
ng combi
ni
ng theorywith practice. Therefore, it plays a
n importa
nt role i
n our four-year college life. As far as I am co
ncer
ned, I hope that through this course desig
n, I ca
n give a practical trai
ni
ng to my futurework, fromwhich I ca
n exercise my ability to a
nalyze a
nd solve problems.Due to limited capability, there are still ma
ny deficie
ncies i
n the desig
n, a
nd I si
ncerely i
nvite all teachers to give guida
nce. 目录 1.接头的工艺分析及生产类型的确定4 1.1接头的用途4 1.2．接头的技术要求4 1.3．审核接头的工艺性4 1.4.确定接头的生产类型5 2．确定毛坯、绘制毛坯简图5 2.1．选择毛坯5 2.2．确定毛坯的尺寸公差和加工余量5 2.2.1公差等级5 2.2.2锻件重量5 2.2.3锻件形状复杂系数5 2.2.4铸件的材质系数6 2.2.5锻件分模线形状6 2.2.6零件表面粗糙度6 3．拟定接头工艺路线6 3.1.选择定位基准： 6 3.2．表面加工方法的确定7 3.3．加工阶段的划分7 3.4.工序的集中与分散7 3.5.工序顺序的安排8 3.6.确定工艺路线8 4.机床设备及工艺装备的选用9 4.1机床设备选用9 4.2工艺设备9 5工时和削用量的计算9 6夹具设计12 6.1问题的提出12 6.2夹具设计14 6.1.1定位基准的选择14 6.1.2切削力和夹紧力的计算14 7体会与展望16 8参考文献17