GB/T 40742.1-2021
ActiveGeometrical product specifications (GPS)—Geometrical precision verification—Part 1：Basic concept and measurement—Symbol, terminology, measuring conditions and procedures
产品几何技术规范（GPS） 几何精度的检测与验证 第1部分：基本概念和测量基础 符号、术语、测量条件和程序
Application Summary AI generated
This standard establishes the foundational symbols, terminology, measurement conditions, and procedures for verifying geometrical precision in manufacturing. It is applied in quality control and inspection processes across industries like automotive, aerospace, and machinery to ensure consistent communication and accurate measurement of product dimensions and tolerances. The standard provides a unified framework for engineers and metrologists conducting geometrical product specification (GPS) verification.
Related Standards
GB/T 14495-2009
Geometrical Product Specifications (GPS)- Surface texture: Profile method Roughness comparison specimens for wooden pieces
GB/T 3934-2003
Specification of gauges for general purpose screw threads
GB/T 9058-2004
Micrometer with prismatically arranged measuring faces
GB/T 9056-2004
Metal ruler
GB/T 8124-2004
Tolerances and general features of gauges for metric trapezoidal screw threads
GB/T 8122-2004
Dial bore gauges
GB/T 6091-2004
Knife straight edge
GB/T 6314-2004
Internal micrometers with three-point contact
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.