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摘 要
本設計分析研究了CA6140車床變速箱中拔叉零件的加工工藝規(guī)程及夾具設計。由于拔叉零件的結構較為復雜，工序較多，因此為保證加工精度提高生產率及降低勞動強度，考慮采用數控機床進行加工，首先進行了撥叉零件工藝性分析、確定了工藝方案及加工順序，進行了撥叉零件數控加工工藝規(guī)程設計和鉆孔工序的夾具設計，為撥叉零件在數控機床上加工提供了理論依據和有效的硬件保證。
關鍵詞：數控加工工藝，定位，夾緊，專用夾具
CA6140 Lathe 831008 Fork Parts CNC Machining
Technology and Equipment Design
Abstract
Analysis of the design of the gearbox in the CA6140 lathe machining fork and Fixture Design Process.Fork parts as a result of the more complex the structure, process more, so in order to ensure the accuracy of processing to increase productivity and reduce labor intensity, consider the use of CNC machine tools for processing, first of all, a fork components analysis process to determine the technology solutions and processing order , a fork parts Process Design CNC machining and drilling of the fixture design process, fork parts for CNC machine tools in the processing provides a theoretical basis and an effective assurance of hardware.
Keywords: NC Machining Process, Positioning, Clamping, Special Fixture