基于虚拟仪器界面的信号发生器的设计与实现.doc

摘要
圆锥体由于结构的特殊性导致其端面直径不易测量。而检测锥体的方法,最常用的是使用圆锥套规,这种检测方法一般只是用来判断工件是否在规定的极限尺寸内,以确定工件是否合格,但不能测出零件锥体实际尺寸。特别当锥度较大时,过端刻线与止端刻线、过端面与止端面将相距很近,并难以区分;也有借助辅助工具间接测量的,但此测量方法操作麻烦,测量时间也较长,不利于缩短工时,提高生产率,且不能直接测出数据,需利用所得数据进行计算,当尺寸精度要求较高时,使用上述量具在生产现场很难实现对该尺寸的精确测量。本文设计一种基于虚交点的圆锥体端面尺寸数显量具,可在机直接测量,不需计算,数显直读,且结构简单,测量范围大,有效地解决了生产现场检测锥体端面直径的问题,并利用电子数显卡尺和不锈钢板材等现有材料对该装置各零件进行工艺规程设计,最后进行样品试制。
关键词:圆锥体端面直径,测量装置,精度分析,工艺分析设计
Development of Digital Display Device for Measuring the End Size for the Cone Based on Virtual Intersection
Abstract
Because the cone has structural specificity, which causes its end face diameter not easy to be measured. Cone and detection methods, the mon is the use of cone sets of regulations, this detection method is generally used to judge whether the workpiece size within the limits of the provisions to determine whether the workpiece qualified, but you can not measure the actual size parts cone. Particularly when the taper is larger, had carved lines and only client-side engraved lines, had faces and will only end in close proximity, and it is difficult to distinguish; also aids with the indirect measurements, but this measurement method is cumbersome, time measurements are more long, is not conducive to shorten working hours, increased productivity, and can not be directly measured data, to be calculated using the data, when higher dimensional accuracy, the use of the above-mentioned scene in the production of measuring is very difficult to achieve accurate measurement of the size. In this paper, the design of a virtual point of intersection of the cone-end digital display measuring size, can be directly measured in the machine, without calculation, direct-reading digital display and simple structure, measuring range, and effectively address the production-site detection of end-diameter cone , and the use of electronic digital calipers and stainless steel sheet material, such as the existing parts of the device design process planning, the final sample trial.
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