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现行 ISO 14405-1:2016
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Geometrical product specifications (GPS) — Dimensional tolerancing — Part 1: Linear sizes 几何产品规格(gps) - 尺寸公差第1部分:线性尺寸
发布日期: 2016-08-04
ISO 14405-1:2016建立了线性尺寸的默认规范运算符(见ISO 17450-2),并为尺寸特征定义了一些线性尺寸的特殊规范运算符,例如“圆柱体”、“球体”、“圆环体”、“[1]、“圆”、“两个平行的相对平面”或“两条平行的相对直线”。 它还定义了这些线性尺寸的规格修改器和图纸指示。 它包括以下线性尺寸: a) 本地大小: -两点大小; -球形尺寸; -截面尺寸; -部分大小; b) 全球规模: -直接全局线性大小: -最小二乘法; -最大内接尺寸; -最小外切尺寸; -最小最大尺寸; -间接全局线性尺寸; c) 计算尺寸: -圆周直径; -面积直径; -体积直径; d) 排名顺序大小: -最大尺寸; -最小尺寸; -平均大小; -中等大小; -中等规模; -尺寸范围; -尺寸的标准偏差。 ISO 14405-1:2016定义了以下线性尺寸公差: -a+和/或?极限偏差(e。 g、 0/?0019); -尺寸上限(ULS)和/或尺寸下限(LLS)(例如,最大15,2,最小12,或30,2/30181); -符合ISO 286-1的ISO公差等级代码(例如10 h6); 有或没有修饰语。 ISO 14405-1:2016提供了一套工具来表达几种类型的尺寸特征。它不提供任何关于功能或用途与尺寸特征之间关系的信息。 [1] 当准线直径固定时,圆环是一种尺寸特征。
ISO 14405-1:2016 establishes the default specification operator (see ISO 17450?2) for linear size and defines a number of special specification operators for linear size for features of size, e.g. "cylinder", "sphere", "torus,"[1], "circle", "two parallel opposite planes", or "two parallel opposite straight lines". It also defines the specification modifiers and the drawing indications for these linear sizes. It covers the following linear sizes: a) local size: - two-point size; - spherical size; - section size; - portion size; b) global size: - direct global linear size: - least-squares size; - maximum inscribed size; - minimum circumscribed size; - minimax size; - indirect global linear size; c) calculated size: - circumference diameter; - area diameter; - volume diameter; d) rank-order size: - maximum size; - minimum size; - average size; - median size; - mid-range size; - range of sizes; - standard deviation of sizes. ISO 14405-1:2016 defines tolerances of linear sizes for the following: - a + and/or?limit deviation (e.g. 0/?0,019); - an upper limit of size (ULS) and/or lower limit of size (LLS) (e.g. 15,2 max., 12 min., or 30,2/30,181); - an ISO tolerance class code in accordance with ISO 286?1 (e.g. 10 h6); with or without modifiers. ISO 14405-1:2016 provides a set of tools to express several types of size characteristic. It does not present any information on the relationship between a function or a use and a size characteristic. [1] A torus is a feature of size when its directrix diameter is fixed.
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归口单位: ISO/TC 213
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