CA6140撥叉831002工藝規(guī)程制定及凹槽銑夾具設(shè)計
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摘 要摘 要本次設(shè)計是CA6140撥叉車床變速箱中拔叉零件的加工工藝規(guī)程及一些工序的專用夾具設(shè)計。此拔叉零件的結(jié)構(gòu)較為復雜,其加工的地方主要是孔和平面。本設(shè)計先加工孔后加工面。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它們的加工精度。基準選擇以拔叉右面的最大的平面作為粗基準,來加工中間的通孔,然后以此加工過的孔作為精基準。主要加工工序安排是先以中心孔定位加工出頂平面和右側(cè)平面以及下面的大孔的兩平面,再以中心孔定位加工出下端的大孔。加工時是用鏜床鏜孔。最后以這兩個孔為基準,分別加工右側(cè)的槽和頂面的螺紋底孔。整個加工過程選用了鉆床、銑床和鏜床。工件在機床上定位夾緊選用專用夾具,夾緊方式為手動夾緊,夾緊可靠,操作方便。因此生產(chǎn)效率較高,適用于大批量、流水線上加工。能夠滿足設(shè)計要求。關(guān)鍵詞 加工工藝,定位,夾緊,專用夾具ABSTRACTThis design is a lather to become soon an appropriation for inside pulling out fork spare parts processing craft rules distance and some work prefaces tongs design.This pull out the construction of the fork spare parts than for complicacy, its the place that process is a peaceful in bore primarily.This design processes after processing first the bore.Process with flat surface the clear and definite dividing the line the bore the coarseness processes to process with the nicety the stage to guarantee their process the precise degree.The basis choice to pull out rough basis of conduct and actions of the biggest flat surface of the right in fork, process the in the center in general use bore, then be used as the precise basis with the bore that processed.Processing primarily work preface arrangement is first to process a flat surface with the center bore fixed position with the right side flat surface and below big bore of two flat surface, again with center bore the fixed position processes the big bore that carry down.While processing is to use the boring machine boring bore.Regard these two bores as the basis finally, process the right-hand slot respectively with the thread bottom bore of the a.Whole processes the process chose to use to the drill machine, miller with the boring machine .The tongs chooses to use the appropriation tongs, clipping tight way as to move to clip tight, clip tight and dependable, operation convenience.Therefore produce the efficiency higher, be applicable to the large quantity measures, the flowing water is on-line to process.Can satisfy the design request.Keywords Process the craft,F(xiàn)ixed position,Clip tight,Appropriation tongs
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編號:1902570
類型:共享資源
大?。?span id="5rhrvj3" class="font-tahoma">555.32KB
格式:ZIP
上傳時間:2019-11-09
50
積分
- 關(guān) 鍵 詞:
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ca6140
工藝
規(guī)程
制定
制訂
凹槽
夾具
設(shè)計
- 資源描述:
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【溫馨提示】壓縮包內(nèi)含CAD圖有預覽點開可看。打包內(nèi)容里dwg后綴的文件為CAD圖,可編輯,無水印,高清圖,壓縮包內(nèi)文檔可直接點開預覽,需要原稿請自助充值下載,所見才能所得,請細心查看有疑問可以咨詢QQ:11970985或197216396
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