机械制造技术基础课件-chapter4-section4(new).pptx
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机械制造技术基础课件-chapter4-section4(new).pptx
4.4 Process analysis of rotational parts,4.4.1 Typical parts machined by CNC machine tools,4.4.2 machining of complicated parts,4.4.3 Process analysis of the spindle of CA6140,表4.11 CA6140型车床主轴加工工艺过程简表,粗加工阶段,半精加工,Application of the basic rules in process planning,classification of process phases rough machining, self-finish machining finish machining selection of reference surface Principle of locating datum surfaces unchangeable Principle of coincident locating surfaces Principle of being datum surfaces with each other and machining time after time,sequencing the operations Perform datum surface machining before that of other surfaces Arrangement of deep hole working Principle of “from outside to inside” and “from large to small” Perform main functional surface machining before less important surface machining,Summary and Questions,
