(II)泵体零件加工工艺规程及夹具设计
(II)泵体零件加工工艺规程及夹具设计,ii,零件,加工,工艺,规程,夹具,设计
北华航天工业学院毕业论文摘 要 本文是对泵体零件加工应用及加工的工艺性分析,此外还对钻削泵体上3-M6-7H的螺纹孔以及铣削泵体底面的两道工序的加工设计了专用钻床夹具及专用铣床夹具。在机床上加工工件时,为了保证加工精度,必须正确安装工件,使其相对机床切削成形运动和刀具占有正确的位置,这一过程称为“定位”。为了不因受切削力、惯性力、重力等外力作用而破坏工件已定的正确位置,还必须对其施加一定的夹紧力,这一过程称为“夹紧”。定位和夹紧的全过程称为“安装”。在机床上用来完成工件安装任务的重要工艺装备,就是各类夹具中应用最为广泛的“机床夹具”。机床夹具的种类很多,但广泛用于批量生产,专为某工件加工工序服务的专用夹具,需要各制造厂根据工件加工工艺自行设计制造。因此,专用夹具的设计是一项重要生产准备工作,每一个从事加工工艺的工装设计人员,都应该掌握有关夹具设计的基础知识。关键词 泵体 加工工艺 专用夹具 钻床夹具 铣床夹具AbstractThis paper is on the bracket parts processing application and processing technology and analysis, In addition to the stuffing box cover part two process designing special fixture.Processes the work piece when the engine bed, to guarantee the working accuracy, must install the work piece correctly, causes its relative engine bed cutting builder motion and the cutting tool holds the correct position, this process is called “the localization”. For because of exogenic processes and so on cutting force, force of inertia, gravity is not destroyed the work piece already the correct position which decides, but must exert certain clamping force to it, this process is called “the clamp”. The localization and the clamp entire process is called “the installment”. Uses for on the engine bed to complete the work piece to install the duty the important craft equipment, is in each kind of jig widely applies “the engine bed jig”.The engine bed jigs type are many, the use scope broadest universal jig, the specification size many have standardized, and has the specialty factory to carry on the production. But widely uses in the volume production, specially unit clamp which serves for some work piece working process, then needs various factories independently to design the manufacture according to the work piece processing craft. Therefore, unit clamps design is an important production preparatory work, each is engaged in the processing craft the work clothes designers, should grasp the related jig design the elementary knowledge.Key words Pump body Processing technology Special jig Drilling jig Milling jig II
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(II)泵体零件加工工艺规程及夹具设计,ii,零件,加工,工艺,规程,夹具,设计
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