GB/T 1182-2008 in English

《GB/T 1182-2008产品几何技术规范（GPS）几何公差 形状、方向、位置和跳动公差标注》由TC240（全国产品几何技术规范标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了工件几何公差标注的基本要求和方法。

This standard contains basic requirements and methods for the geometrical tolerancing (tolerances of form, orientation, location and run-out) of workpieces.
This standard is applicable to the geometrical tolerancing of workpieces.
Note: other standards referenced in Chapter 2 and in Table 2 provide more detailed information on geometrical tolerancing.

Forward I
Introduction II
1 Scope
2 Normative References
3 Terms and Definitions
4 Basic Concepts
5 Symbols
6 Tolerance Frame
7 Toleranced Features
8 Tolerance Zones
9 Datums
10 Supplementary Indications
11 Theoretically Exact Dimensions (TED)
12 Restrictive Specifications
13 Projected Tolerance Zone
14 Maximum Material Requirement
15 Least Material Requirement
16 Free State Condition
17 Interrelationship of Geometrical Tolerances
18 Definitions of Geometrical Tolerances
Appendix A (Informative) Former Practices
Appendix B (Normative) Assessment of Geometrical Tolerances
Appendix C (Normative) Relation to the GPS Matrix Model