夹具毕业设计--立卧三面组机专用夹具设计.doc

立卧三面组机专用夹具设计 摘 要 机械加工夹具是实现产品设计，保证产品质量，节约能源，降低消耗的重要手段，本课题研究立卧三面组合机床夹具设计。本论文是结合目前实际生产中，发现仅用通用夹具不能满足生产要求，用通用夹具装夹工件生产效率低劳动强大，加工质量不高，而且往往需要增加划线工序，而专门设计一种夹具：立卧三面组机专用夹具，主要包括夹具的定位方案，夹紧方案、导向方案，夹具体与定位键的设计及加工精度等方面的分析。 夹具设计是工艺装备设计中的一个重要组成部分，在整个机械加工过程中，夹具除了夹紧、固定被加工零件外，还要求保证加工零件的形状、位置精度、尺寸以及加工生产率的提高。本课题在设计的过程当中，深入生产实际，进行调查研究，吸取国内外先进技术，制定出合理的设计方案，再进行具体设计。本文设计的夹具，基本上可以满足工程需要，本文使用的设计方法，也可为同类夹具的设计提供参考。 关键词：机械加工，组合机床，专用夹具 Dedicated fixture design of vertical and horizontal three surface combination machine ABSTRACT Machining fixture is to achieve product design, product quality, save energy, reduce consumption and an important means of study of this subject dedicated fixture design of vertical and horizontal three surface combination machine.The present paper is combing the actual production at present, which is that either using universal fixture cannot meet only production requirements or using universal fixture clamping work-piece to product is poor efficiency and powerful labor and not high processing quality or often it need to increase crossed process, to specially design one fixture: dedicated fixture design of vertical and horizontal three surface combination machine, mainly including schemes of fixture positioning, clamping and cutter, the design of the concrete and the TAB folder and the analysis of machining precision et al. The fixture design is the design of process equipment is an important part in the entire machining process, fixtures Chule clamping Gudling processed parts , also sought assurances that the shape of machining parts precision of position, size and productivity improvement process . The issue in the design of the process, in-depth the actual production, conduct research, to learn foreign advanced technology, to develop reasonable design plan, carrying out design of evaluations.This fixture was designed to basically meet the engineering needs of the design used in this method can also be designed for similar reference fixture. KEY WORDS: Machining fixture