机械5

摘要 本次的题目是WHZ-018外滑座零件的加工工艺分析及铣夹具设计。其设计涉及到机械制造工艺及机床夹具设计、金属切削机床、公差配合与测量等多方面的知识。该零件是机器或者机构上面一个重要的附件，是形状规则的盘类零件。其作用是支承滑动零件，实现相应的运动。该零件的材料是HT200灰铸铁，该材料综合性能比较好，比较适合铸造。设计内容含零件加工的工艺设计、工序设计以及专用夹具的设计三部分。 工艺设计的内容有完成零件结构的分析，设计了2种加工零件的方法，选择了比较合适的一条，填写工艺卡。选择了零件的加工基准，选取了加工余量，计算出了相应的切削数据，填写了工序卡，完成了零件图还有毛坯图。 专用夹具的主要内容有：根据工序图上面的定位和夹紧简图，设计铣160±0.05两端面铣床专用夹具，采用的机床是X6132卧式铣床。设计了定位和夹紧方案，选择了定位和夹紧元件。选择标准件对刀块等等。最后，完成了装配图还有所有非标零件图的绘制，编写了设计说明书等。 关键词：WHZ-018外滑座；加工工艺；铣160±0.05两端面；X6132 Abstract The subject of this time is the processi
ng tech
nology a
nalysis a
nd milli
ng fixture desig
n of WHZ-018 outer slide parts. Its desig
n i
nvolves awide ra
nge of k
nowledge i
n mecha
nical ma
nufacturi
ng processes a
nd machi
ne tool fixture desig
n, metal cutti
ng machi
ne tools, tolera
nces a
nd measureme
nts. This part is a
n importa
nt accessory o
n the machi
ne or mecha
nism a
nd is a disc-shaped partwith a regular shape. Its role is to support the slidi
ng parts to achieve the correspo
ndi
ng moveme
nt. The material of this part is HT200 gray cast iro
n,which has better comprehe
nsive performa
nce a
nd is more suitable for casti
ng. The desig
n co
nte
nt i
ncludes three parts: process desig
n, process desig
n a
nd special fixture desig
n. The co
nte
nt of the process desig
n has the a
nalysis of the completed part structure, a
nd the two methods of processi
ng the parts are desig
ned. A more suitable o
ne is selected a
nd the process card is filled out. The machi
ni
ng refere
nce of the partwas selected, the machi
ni
ng allowa
ncewas selected, the correspo
ndi
ng cutti
ng datawas calculated, the operatio
n cardwas filled out, a
nd the part drawi
ng a
nd the bla
nk drawi
ngwere completed. The mai
n co
nte
nts of the special fixture are: accordi
ng to the positio
ni
ng a
nd clampi
ng diagram above the process diagram, the special fixture for milli
ng 160±0.05 double-sided milli
ng machi
ne is desig
ned. The machi
ne tool used is X6132 horizo
ntal milli
ng machi
ne. The positio
ni
ng a
nd clampi
ng schemewas desig
nedwith the positio
ni
ng a
nd clampi
ng eleme
nts selected. Select sta
ndard parts for the tool block a
nd so o
n. Fi
nally, the assembly drawi
ng a
nd the drawi
ng of all
no
n-sta
ndard parts drawi
ngswere completed, a
nd the desig
n specificatio
nswerewritte
n. Keywords: WHZ-018 outer slide; machi
ni
ng process; milli
ng 160±0.05 e
nd faces; X6132 目录 摘要I Abstract II 第一章分析加工工件—外滑座1 1.1分析零件的作用1 1.2分析零件的材料1 1.3分析零件的组成表面2 1.4分析零件加工面的加工要求2 1.5分析零件的形位公差2 第二章设计零件加工工艺规程3 2.1确定零件制造形式3 2.2确定零件生产类型4 2.3零件加工基准的选择5 2.3.1零件粗加工基准的选择5 2.3.2零件精加工基准的选择5 2.4设计、分析以及确定加工工艺路线5 2.5确定机床、夹具、刀具及量具6 2.6确定机加工余量7 2.7确定切削用量及工时9 第三章设计专用夹具23 3.1专用夹具设计前的分析23 3.2设计定位方案及确定定位元件23 3.3设计夹紧方案及确定夹紧元件24 3.4设计夹具体24 3.5铣削力和夹紧力的计算25 3.5.1计算铣削力25 3.5.2计算夹紧力25 3.6分析夹具定位精度26 结论27 致谢28 参考文献29