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摘 要
本設(shè)計(jì)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(shè)計(jì)。由于拔叉零件的結(jié)構(gòu)較為復(fù)雜，工序較多，因此為保證加工精度提高生產(chǎn)率及降低勞動強(qiáng)度，考慮采用數(shù)控機(jī)床進(jìn)行加工，首先進(jìn)行了撥叉零件工藝性分析、確定了工藝方案及加工順序，進(jìn)行了撥叉零件數(shù)控加工工藝規(guī)程設(shè)計(jì)和鉆孔工序的夾具設(shè)計(jì)，為撥叉零件在數(shù)控機(jī)床上加工提供了理論依據(jù)和有效的硬件保證。
關(guān)鍵詞：數(shù)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