机械5

线圈铁芯加工工艺及钻攻2-M3深6螺纹孔夹具设计 摘要 课程设计是每一位大学在校生的必修课程。本次设计是在指导老师提供的零件图纸的基础上进行的。 本文设计给定的零件是线圈铁芯，线圈铁芯是增强内部插有铁芯的螺线管，当通电螺线管插入铁芯后，由于铁芯被磁化产生了与圆螺线管方向一致的磁场，因而其磁性比原来要增强许多。因此，对线圈铁芯的研究是非常有意义的。本次设计的任务是设计加工工艺、钻攻2-M3深6螺纹孔专用夹具。在充分了解零件的结构后，对其毛坯尺寸、制造类型、基准、加工的工艺路线进行了确定；然后依据设计的加工工艺路线，对每一个工序进行计算。 本次设计出的专用钻床夹具，在减少停机时间的同时，还提高生产效率。在进行该专用夹具设计的时候，首先应该是建立在对零件的工艺进行分析、选择粗精基准、进行必要计算的基础上。该夹具在设计之初就注重结构工艺性，所以本次设计的夹具结构简易、紧凑，操作起来也比较方便灵活。更重要的是它在提高生产效率方面所起的作用尤为突出，体现了这次设计的主旨。 关键词：线圈铁芯、加工工艺、钻攻2-M3深6、螺纹孔、夹具 Abstract Curriculum desig
n is a compulsory course for every u
niversity stude
nt. This desig
n is carried out o
n the basis of the parts drawi
ng provided by the i
nstructor. I
n this paper, a give
n part is a coil iro
n core. The coil iro
n core is a sole
noidwith a
n iro
n core i
nserted i
n it. Whe
n the electrified sole
noid is i
nserted i
nto the iro
n core, the mag
netic field i
n the directio
n of the circular sole
noid is produced due to the mag
netizatio
n of the iro
n core, so its mag
netism is much stro
nger tha
n the origi
nal o
ne. Therefore, the study of coil core isvery mea
ni
ngful. The task of this desig
n is to desig
n processi
ng tech
nology, drill a
nd attack 2-M3 deep 6 thread hole special fixture. After fully u
ndersta
ndi
ng the structure of the parts, the bla
nk size, ma
nufacturi
ng type, be
nchmark, processi
ng tech
nology route are determi
ned, a
nd the
n accordi
ng to the desig
n of the processi
ng tech
nology route, each process is calculated. The special drill jig desig
ned this time reduces productio
n dow
ntime a
nd improves productio
n efficie
ncy. I
n the desig
n of this special fixture, the first step should be based o
n the a
nalysis of the process of the parts, the selectio
n of rough a
nd fi
ne be
nchmarks, a
nd the
necessary calculatio
n. The fixture i
n the desig
n of the early atte
ntio
n to structural tech
nology, so the desig
n of the fixture structure is simple, compact, more co
nve
nie
nt a
nd flexible to operate. More importa
ntly, it has played a particularly promi
ne
nt role i
n improvi
ng productio
n efficie
ncy, reflecti
ng the mai
n purpose of this desig
n. Keywords coil core, processi
ng tech
nology, drill attack 2-M3 depth 6, threaded hole, fixture 目录 摘要I Abstract II 第1章绪论- 1- 1.1机床夹具的概述- 1- 1.2机床夹具的研究现状- 1- 1.3机床夹具的发展趋势- 1- 1.4课题设计工作任务的安排- 2- 第2章零件的分析- 4- 2.1零件的作用- 4- 2.2零件的工艺分析- 4- 2.2.1零件的组成表面- 4- 2.2.2零件的技术要求- 5- 第3章零件工艺规程的设计- 6- 3.1零件生产类型的确定- 6- 3.2确定零件的材料及制造方式- 6- 3.3选择加工的定位基准- 7- 3.4加工工艺路线的制定- 8- 3.5加工余量和工序尺寸的确定- 9- 3.6确定切削用量及基本工时- 12- 第4章专用夹具设计- 30- 4.1定位方案及定位元件的确定与选择- 30- 4.2夹紧方案及装置的确定与选择- 31- 4.3夹具体的确定- 31- 4.4导向装置的确定- 32- 4.5钻削力的计算- 32- 第5章结论- 34- 参考文献- 35-