1、 机电一体化机电一体化 (毕业设计)(毕业设计) 题目:轴类零件的题目:轴类零件的数控数控加工工艺分析及编程加工工艺分析及编程 轴类零件的轴类零件的数控数控加工工艺分析及编程加工工艺分析及编程 摘要 数控技术自问世半个多世纪以来,随着相关技术的发展和社会需求的不断增 长而迅速发展。特别是近 20 年来,数控技术开创了一个全新的局面。我国从 20 世纪 80 年代开始推广数控化技术,经过 20 多年的发展,到本世纪初,随着国家 经济的建设发展,数控机床出现了前所未有的增长势头。现在对于数控加工, , 无论是手工编程还是自动编程,在编程前都要对所加工的零件进行工艺分析,拟 定加工方案,选择合适的刀
2、具,确定切削用量,对一些工艺问题(如对刀点、加 工路线等)也需要一些处理。并在加工过程掌握控制精度的方法,才能加工出合 格的产品。 本文主要根据数控机床加工过程的特点,针对具体的轴类零件,进行了加工 工艺方案分析,装配方案的确定,刀具和切削用量的选择,加工顺序和加工路线 和加工效率,简化工序,编程分析等方面分析。 关键词:关键词: 机械 加工工艺 编程 H Half alf parts CNC turning technology analysisparts CNC turning technology analysis A Andnd NC NC programmingprogramming
3、 SummarySummary Since the advent of numerical control technology for more than half a century, along with the development of related technologies and social demand is growing and rapid development. Especially in the last twenty years, numerical control technology opened a new situation. Our country
4、from the 1980 s promotion to numerical control technology, after 20 years of development, to at the beginning of this century, along with the national economic construction and development, numerical control machine tool, have arisen unprecedented growth. Now for NC machining, whether automatic or m
5、anual programming programming, programming before the processing of parts for process analysis, formulation and processing programme, selecting the right tool to determine the cutting parameters, on a number of technology issues (such as on the knife point, processing line, etc.) also needs some wor
6、k. And process mastery control precision, to processing the qualified product This article mainly according to the CNC machine tool processing characteristics of process, in view of the specific axial parts, the processing scheme analysis, determination of assembly scheme, tool and selection of cutting parameter, the processing sequence and processing route and processing efficiency, the simplification working procedure, programming analysis, and analysis. KeywordsKeywords: mechanicalmech