摘要
本设计专用夹具的设计拨动杆零件加工过程的基础上。主要加工部位是平面和孔加工。在一般情况下,确保比保证精密加工孔很容易。因此,设计遵循的原则是先加工面后加工孔表面。孔加工平面分明显的阶段性保证粗加工和加工精度加工孔。的基础上,通过输入输出底面作一个良好的基础过程的基矗主要的流程安排是支持在定位孔过程中的第一个,然后进行平面和孔定位技术支持上加工孔。在随后的步骤中,除了被定位在顶平面和孔的加工工艺及其他孔单独过程。整个过程是一个组合的选择工具。专用夹具夹具的选择,有自锁机构,因此,更高的生产力,对于大批量,满足设计要求。
关键词:拨动杆类零件;工艺;夹具;
ABSTRACT
Basic desig
n the desig
n of special fixture pipe base parts machi
ni
ng process. The mai
n chassis parts through the pipe surface rough
ness, the hole processi
ng. I
n ge
neral, e
nsure easy tha
n guara
ntee precisio
n machi
ni
ng precisio
n holes. Therefore, the desig
n pri
nciples of the first hole surface. Hole machi
ni
ng pla
ne is divided i
nto disti
nct stages to e
nsure the rough machi
ni
ng a
nd machi
ni
ng precisio
n machi
ni
ng hole. O
n the basis, through the i
nput shaft a
nd the output shaft hole of the bottom surface as the basis for a good basic refere
nce process pipeli
ne. The mai
n flow arra
ngeme
nt is supported i
n the positio
ni
ng hole of the first, a
nd the
n the processi
ng hole pla
ne a
nd the hole positio
ni
ng tech
nology support. I
n a subseque
nt step, i
n additio
n to bei
ng positio
ned i
n the processi
ng tech
nology of the top pla
ne a
nd holes a
nd other holes separate process. Thewhole process is a combi
natio
n of the selectio
n tool. Special fixture fixture selectio
n, a self-locki
ng mecha
nism, therefore, higher productivity, for large qua
ntities, to meet the desig
n requireme
nts. Keywords: pipe base parts; tech
nology; fixture; 目录 摘要II ABSTRACT III 第一章机械加工工艺规程设计1 1.1零件的分析1 1.1.1零件的作用1 1.1.2零件的工艺分析1 1.2加工的问题和设计所采取措施2 1.2.1孔和平面的加工顺序2 1.2.2孔系加工方案选择3 1.3拨动杆加工定位基准的选择4 1.3.1粗基准的选择4 1.3.2精基准的选择4 1.4拨动杆加工主要工序安排5 1.5机械加工余量、工序及毛坯的确定7 1.6确定切削用量及基本工时(机动时间) 7 1.7时间定额计算及生产安排16 第二章钻2-M8孔夹具设计18 2.1研究原始质料18 2.2定位分析和定位元件选择18 2.3切削力及夹紧装置设计19 2.4误差分析与计算22 2.5导向装置设计(钻套、衬套、钻模板设计与选用) 23 2.6确定夹具体结构和总体结构25 结论26 致谢28 参考文献29
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n the desig
n of special fixture pipe base parts machi
ni
ng process. The mai
n chassis parts through the pipe surface rough
ness, the hole processi
ng. I
n ge
neral, e
nsure easy tha
n guara
ntee precisio
n machi
ni
ng precisio
n holes. Therefore, the desig
n pri
nciples of the first hole surface. Hole machi
ni
ng pla
ne is divided i
nto disti
nct stages to e
nsure the rough machi
ni
ng a
nd machi
ni
ng precisio
n machi
ni
ng hole. O
n the basis, through the i
nput shaft a
nd the output shaft hole of the bottom surface as the basis for a good basic refere
nce process pipeli
ne. The mai
n flow arra
ngeme
nt is supported i
n the positio
ni
ng hole of the first, a
nd the
n the processi
ng hole pla
ne a
nd the hole positio
ni
ng tech
nology support. I
n a subseque
nt step, i
n additio
n to bei
ng positio
ned i
n the processi
ng tech
nology of the top pla
ne a
nd holes a
nd other holes separate process. Thewhole process is a combi
natio
n of the selectio
n tool. Special fixture fixture selectio
n, a self-locki
ng mecha
nism, therefore, higher productivity, for large qua
ntities, to meet the desig
n requireme
nts. Keywords: pipe base parts; tech
nology; fixture; 目录 摘要II ABSTRACT III 第一章机械加工工艺规程设计1 1.1零件的分析1 1.1.1零件的作用1 1.1.2零件的工艺分析1 1.2加工的问题和设计所采取措施2 1.2.1孔和平面的加工顺序2 1.2.2孔系加工方案选择3 1.3拨动杆加工定位基准的选择4 1.3.1粗基准的选择4 1.3.2精基准的选择4 1.4拨动杆加工主要工序安排5 1.5机械加工余量、工序及毛坯的确定7 1.6确定切削用量及基本工时(机动时间) 7 1.7时间定额计算及生产安排16 第二章钻2-M8孔夹具设计18 2.1研究原始质料18 2.2定位分析和定位元件选择18 2.3切削力及夹紧装置设计19 2.4误差分析与计算22 2.5导向装置设计(钻套、衬套、钻模板设计与选用) 23 2.6确定夹具体结构和总体结构25 结论26 致谢28 参考文献29
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192611
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