Standard No.:	GB/T 4249-2009
English Name:	Geometrical product specifications(GPS) - Tolerancing principle
Chinese Name:	产品几何技术规范（GPS） 公差原则
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	01.100.20 01.100.20    Mechanical engineering drawings 17.040.10    Limits and fits 01.100.20
Issued by:	AQSIQ, SAC
Issued on:	2009-03-16
Implemented on:	2009-11-1
Status:	superseded
Superseded by:	GB/T 4249-2018 Geometrical product specifications(GPS)—Fundamentals—Concepts,principles and rules
Superseded on:	2019-4-1
Superseding:	GB/T 4249-1996 Tolerancing principle
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.0
Delivery:	via email in 1~3 business day

本标准规定了确定尺寸（线性尺寸和角度尺寸）公差和几何公差之间相互关系的原则。
本标准适用于技术制图和有关文件中所标注的尺寸、尺寸公差和几何公差，以确定零件要素的大小、形状、方向和位置特征。