General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 24631.2-2009
Scope
This part of GB/T 24631 specifies a complete set of normative operations for the straightness of constituent elements, that is, the geometric properties of each element of straight shape. This section applies only to straightness profiles of all constituent elements. Note: The straightness of the extraction axis of the cylindrical surface is specified in GB/T 24633.1 (ISO/TS 12180-1) and GB/T 24633.2 (ISO/TS 12180-2).
GB/T 18779.1-2002 Geometrical product specifications (GPS)-Inspection by measurement of workpieces and measuring equipment--Part 1:Decision rules for proving conformance or non-conformance with specifications
GB/T 24631.1-2009 Geometrical Product Specifications (GPS).Straightness.Part 1:Vocabulary and parameters of straightness