摘 要
随着社会的发展，汽车在生产和生活中的越来越广泛，差速器是汽车中的重要部件，其壳体的结构及加工精度直接影响差速器的正常工作，因此研究差速器的加工方法和工艺的编制是十分必要和有意义的。本次设计主要内容有：差速器的工作原理结构分析，差速器壳体的工艺编制，夹具的设计及加工中对定位基准的选择，工序和工装设计中切削用量，夹紧力的计算等。机床夹具的种类很多，其中，使用范围最广的通用夹具，规格尺寸多已标准化，并且有专业的工厂进行生产。而广泛用于批量生产，专为某工件加工工序服务的专用夹具，则需要各制造厂根据工件加工工艺自行设计制造。本设计的主要内容是设计钻床夹具和铣床夹具，需要对零件上Φ22的孔进行铣削加工端面的铣削加工。由于某些原因，没有上传完整的毕业设计（完整的应包括毕业设计说明书、相关图纸CAD/PROE、中英文文献及翻译等），此文档也稍微删除了一部分内容（目录及某些关键内容）如需要的朋友，请联系我的叩扣:二二壹五八玖一壹五一 关键词：差速器，壳体，工艺规程，夹具设计
Abstract
Along with social development motor vehicle production and life in anincreasingly wide differential device is an important vehicle componentsand its interior structure and processing precision differential devicedirectly affect the normal work study differential device case processingmethods and techniques of preparation is necessary and meaningful. Thecurrent design of the main elements: differential device structuresoperating principles of analysis differential device case preparationprocesses design and smooth-bore jig for positioning baseline processingoptions smooth-bore design processes suits cutting consumption increasedcomputing power.Machine tool fixture of many kinds, among them, the most widely used common fixture, size specifications have been standardized, and a professional production plant. While widely used in batch production, designed for a certain workpiece processing services for the fixture, it needs each factory according to workpiece machining technology to design and manufacture. The main contents of this design is the design of drilling jig and milling fixture, the need for parts than22hole milling face milling.
Key Words: differential device，case， technological process，jig design
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