A simulated datum is used as a datum for inspection purposes. Datum Target Symbols that describe the shape, size, and location of gage elements that are used to establish datum planes of axis. 4 形体形体形体形体 用于零件组成部分的通用术语,比如表面,孔或槽。 FOS 一个圆柱体或球面,或两个相对...
龙东飞ASME Y14.5M-2009 CH1 – Introduction to the GDT Hierarchy 介绍GDT组成层级GOAL 目标Understand what an engineering drawing is. 懂得什么是工程图纸Understand why geometric tolerancing is superior to coordinate tolerance. 懂得为什么几何公差优于坐标共差Understand the modifiers and symbols used in ...
(二)形位公差GDT • 符号和缩略语 Symbols and Abbreviations •公差带 Feature Control Frame •形位公差的修正符号 •GDT图中形位公差的标注 Type of 1、公差符号 Characteristic 特性 Tolerance and Symbol 符号 Symbols 公差类型 Straightness 直线度 For Individual Features Flatness 平面度 单一要素 Form ...
meson.build update version to 2.6.0-pre Feb 1, 2023 meson_options.txt Add support for the Meson build system Jun 10, 2020 srtp.def Add policy_set_aes_cm_192_xxx symbols to def file Dec 8, 2022 timing Initial revision Sep 22, 2005 update.sh updating dates Jun 9, 2006 ...