GB/T 4249-2009
AbolishedGeometrical product specifications(GPS) - Tolerancing principle
产品几何技术规范（GPS） 公差原则
Application Summary AI generated
GB/T 4249-2009 defines the fundamental tolerancing principles for geometrical product specifications, including the independence principle and the envelope requirement. It is applied in mechanical engineering and manufacturing industries to specify how dimensional and geometric tolerances interact on technical drawings. This standard ensures consistent interpretation of tolerances during design, production, and inspection processes.
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 9056-2004
Metal ruler
GB/T 9058-2004
Micrometer with prismatically arranged measuring faces
GB/T 8124-2004
Tolerances and general features of gauges for metric trapezoidal screw threads
GB/T 6091-2004
Knife straight edge
GB/T 8122-2004
Dial bore gauges
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.