Geometrical product specifications(GPS)—Dimensional tolerancing—Part 3:Angular sizes
MOD ISO 14405-3:2016
全国产品几何技术规范标准化技术委员会(SAC/TC 240)
GB/T 38762的本部分建立了角度尺寸的缺省规范操作集，并为下列角度尺寸要素定义了一系列特定规范操作集：圆锥（截断如圆台或未截断）、楔形（截断或未截断）、两条相对直线（由垂直于楔形/截断楔形两平面相交直线的平面与楔形／截断楔形相交得到，由包含圆锥/圆台轴线的平面与圆锥/圆台相交得到），见图1和图2。
本部分还规定了上述角度尺寸的规范修饰符和图样标注。
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