ISO 3650 pdf download

ISO 3650 pdf download.Geometrical Product Specifications (GPS) — Length standards — Gauge blocks 1 Scope This International Standard specifies the most important design and metrological characteristics of gauge blocks with a rectangular cross section and a nominal length l n ranging from 0,5 mm to 1 000 mm. Limit deviations and tolerances are stated for the calibration grade K and for the grades 0, 1 and 2 for various measuring purposes. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 1 :1 975, Standard reference temperature for industrial length measurements. ISO 1 1 01 :— 1 ) , Geometrical Product Specifications (GPS) — Geometrical tolerancing — Generalities, definitions, symbols, indication on drawings . ISO 6507-1 :1 997, Metallic materials — Vickers hardness test — Part 1 : Test method. ISO 1 4253-1 :1 998, Geometrical Product Specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 1 : Decision rules for proving conformance or non-conformance with specifications. International vocabulary of basic and general terms in metrology (VIM) . BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, OIML, 2nd edition, 1 993. 3 Definitions For the purposes of this International Standard, the definitions given in ISO 1 4253-1 , VIM and the following apply. 3.1 gauge block material measure of rectangular section, made of wear-resistant material, with one pair of planar, mutually parallel measuring faces, which can be wrung to the measuring faces of other gauge blocks to make composite assemblies, or to similarly finished surfaces of auxiliary plates for length measurements 5 Basis of measurement, traceability, reference condition 5.1 Unit of length: metre The metre is defined as the length of the path travelled by light in vacuum in 1 /299 792 458 of a second (1 7th General Conference of Weights and Measures, 1 983). The definition is realized by working wavelength standards recommended by the International Committee of Weights and Measures (CIPM). 5.2 Traceability of the length of a gauge block The measured length of a gauge block is traceable to...