CA6140床頭I軸軸承座及專用夾具設(shè)計(jì)【鉆φ25斜孔】
CA6140床頭I軸軸承座及專用夾具設(shè)計(jì)【鉆φ25斜孔】,鉆φ25斜孔,ca6140,床頭,軸承,專用,夾具,設(shè)計(jì),25,斜孔
摘 要
本設(shè)計(jì)是CA6140床頭I軸軸承座零件的加工工藝規(guī)程及一些工序的專用夾具設(shè)計(jì)。CA6140I軸軸承座零件的主要加工表面是平面及孔。一般來(lái)說(shuō),保證平面的加工精度要比保證孔的加工精度容易。因此,本設(shè)計(jì)遵循先面后孔的原則。并將孔與平面的加工明確劃分成粗加工和精加工階段以保證孔的加工精度?;鶞?zhǔn)的選擇以I軸軸承座外圓面作為粗基準(zhǔn)。先將底面加工出來(lái),然后作為定位基準(zhǔn),在以底面作為精基準(zhǔn)加工孔。整個(gè)加工過(guò)程選用數(shù)控機(jī)床。在夾具方面選用專用夾具??紤]到零件的結(jié)構(gòu)尺寸簡(jiǎn)單,夾緊方式多采用手動(dòng)夾緊,夾緊簡(jiǎn)單,機(jī)構(gòu)設(shè)計(jì)簡(jiǎn)單,且能滿足設(shè)計(jì)要求。
關(guān)鍵詞 加工工藝,夾具,定位,夾緊
I
Abstract
This paper is to design the craft processes of making the CA6140 lever spare parts and some specialized tongs in the process. The CA6140 lever spare part primarily processes the surface and bores. Generally speaking, to guarantee the accuracy of the flat surface process is easier than that of the bore. Therefore, this design follows the principle that surface first and then the bore, and definitely divides the process of flat surface and bore into coarse processes and precise processes to guarantee the bore processes. The basic choice is to consider 45 outside circle as rough basis and to consider 25 bore and its next surface as precise basis. The bottom is first processed out to be fixed position basis, and process the bore using the bottom as the precise basis. The whole processes choose the machine bed. In the aspects of tongs choosing, specialized tongs are used. In consideration of the simple construction size of the spare parts, clipping by hands is adopted. It is simple, and the organization design is simple, and can satisfy the design request.
Key Words craft proces , tongs, fixed position, tight clip
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編號(hào):12237193
類型:共享資源
大?。?span id="ievbyqtbdd" class="font-tahoma">1.64MB
格式:ZIP
上傳時(shí)間:2020-05-08
40
積分
- 關(guān) 鍵 詞:
-
鉆φ25斜孔
ca6140
床頭
軸承
專用
夾具
設(shè)計(jì)
25
斜孔
- 資源描述:
-
CA6140床頭I軸軸承座及專用夾具設(shè)計(jì)【鉆φ25斜孔】,鉆φ25斜孔,ca6140,床頭,軸承,專用,夾具,設(shè)計(jì),25,斜孔
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