车床ca6140拨叉831004设计（Lathe CA6140 shift fork 831004 design）.docVIP

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车床ca6140拨叉831004设计（Lathe CA6140 shift fork 831004 design）.doc

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车床ca6140拨叉831004设计（Lathe CA6140 shift fork 831004 design） Catalog I. preface.................................................................. Five Two. Overview of fixtures......................................................... Six 2.1 clamps the present situation, several production puts forward the new request to it 2.2 the development of modern fixture 2.3 machine tool fixture and its function 2.4 the role of machine tool fixture in machining 2.5 machine tool fixture composition and classification 2.6 classification of machine tool fixtures 2.7 design characteristics of machine tool fixture 2.8 design requirements of machine tool fixture Three. Analysis of parts......................................................... Fourteen 3.1 process analysis of parts Four. Process specification design................................................... Fourteen 4.1 determine the manufacturing form of the blank 4.2 base plane selection 4.3 draw up the process route 4.4 machining allowance, process size and blank size determination 4.5 determine cutting parameters and basic working hours Five. Jig design...................................................... Twenty-seven 5.1 selection of positioning reference 5.2 positioning error analysis 5.3 calculation of cutting force and clamping force Graduation summary............................................................ Thirty-three References............................................................ Thirty-three I. Preface The graduation design in university after we finished all the basic courses, technical basic course, which we review in the in-depth comprehensive to learn the course of graduation design, is also a theory with practical training, so it plays an important role in our college life. In addition, after finishing the graduation project, I got a comprehensive training before graduation. I thought I could do some exercises in the following aspects: (1) the use of machinery manufacturing technology curriculum in