汽车发动机中的左右摆杆夹具设计

AbstractAccording to the specific requirements of the design task book,in this paper,the left swinglever processing technology and its special fixture are designed for the object and the specificdesign process is explained.The main contents include the formulation of the left swing lever目目machining process,the selection of the combined machine configuration,the overall design and目the fixture design.In this article,the design of the left swing lever machining process and itsspecial fixture consists of two parts,one is the combined left swing lever machining process part,目and the other is the design part of the special fixture.In the process of formulating the process,目it is necessary to determine the installation station of each process and the steps required for目the process,the feed rate of the locomotive and the machine tool for processing the process,目the depth of cut,the spindle speed and the cutting speed,the jig of the process,the tool and目The measuring tool,as well as the number of passes and the length of the pass,the adoption of目the positioning scheme of the workpiece,and finally calculates the basic time of the process,目the auxiliary time and the service time of the work place.The fixture design for the目corresponding process,the positioning scheme used for the fixture design,the feasibility装日analysis of the solution,and the assembly drawing and multi-view of each part.Through thestructural analysis of the left swing lever part,the process design is carried out in combination日with the actual processing equipment,the blank material,size,positioning reference,processing目content and process flow of the part are determined,and the processing route is drawn up.The目process parameters such as the work difference,machining allowance and cutting amount,and订basic working time quota were selected and calculated.The machining process design of the left目swing lever was completed,and the process specification card was compiled in detail.For the目two steps of the left swing lever joint surface and the reducer bearing hole,the analysis and目calculation of the cutting force,the clamping force,the positioning error and the accuracy of the日fixture were carried out,and the fixture design of the two processes was completed.目线Keywords:left swing lever;machining process;cutting amount;fixture design!1日1