机械5

摘要 使学生具有制定工艺规程的初步能力。能综合运用金属切削原理、金属切削刀具、金属切削机床、机床夹具等的基本理论和方法，合理的制定零件的机械加工工艺规程，包括零件工艺性分析、工艺路线拟定，编制零件加工工艺过程卡片。使学生具有制定零件加工定位、夹紧方案的初步能力。能够分析零件结构工艺性是否合理，根据零件结构及精度要求分析加工要求，设计合理的定位、夹紧方案，并能分析计算定位误差、估算夹紧力，评价定位、夹紧方案质量。通过查阅资料，使用设计手册、参考资料等方面的能力进行课程设计。掌握进行定位、夹紧方案设计的程序和方法，培养独立思考和独立工作的能力。 关键词：工序；夹紧；定位；误差。 Abstract Make the stude
nts have the prelimi
nary ability to make the process specificatio
n. Ca
n comprehe
nsively use the basic theories a
nd methods of metal cutti
ng pri
nciple, metal cutti
ng tool, metal cutti
ng machi
ne tool, machi
ne tool fixture, etc., reaso
nably formulate the machi
ni
ng process specificatio
n of parts, i
ncludi
ng the a
nalysis of the part process, the preparatio
n of the process card. Make the stude
nts have the prelimi
nary ability to make parts processi
ng positio
ni
ng a
nd clampi
ng scheme. Be able to a
nalyzewhether the part structure process is reaso
nable, a
nalyze the processi
ng requireme
nts accordi
ng to the part structure a
nd precisio
n requireme
nts, desig
n reaso
nable positio
ni
ng a
nd clampi
ng scheme, a
nalyze a
nd calculate the positio
ni
ng error, estimate the clampi
ng force, a
nd evaluate the positio
ni
ng a
nd clampi
ng scheme quality. Through co
nsulti
ng materials, usi
ng desig
n ma
nual, refere
nce materials a
nd other aspects of the ability to carry out curriculum desig
n. Master the program a
nd method of positio
ni
ng a
nd clampi
ng scheme desig
n, a
nd cultivate the ability of i
ndepe
nde
nt thi
nki
ng a
ndworki
ng. Keywords：process; clampi
ng;positio
ni
ng; error. 目录 1、加工工艺分析..................................1 2、毛坯尺寸......................................1 3、安排加工工艺路线..............................1 3.1零件的加工工艺路线安排.....................1 3.2数控编程..................................2 4、定位方案......................................5 4.1工件的定位的基本原理.......................5 4.2工件定位方式及其定位元件...................6 4.3定位误差的分析.............................6 4.4夹紧力的确定...............................7 5、夹具体及分度装置.............................8 5.1夹具体.....................................8 5.2分度装置...................................9 总结............................................10 参考文献.......................................11