General tolerances
BRITISH STANDARDBS EN22768-2:1993ISO 2768-2:1989General tolerances Part 2: Geometrical tolerances for features without individual tolerance indicationsThe European Standard EN 22768-2:1993 has the status of aBritish StandardUDC Copy: London South Bank University, London South Bank University, Wed Mar 15 03:46:41 GMT 2006, Uncontrolled Copy, (c) BSIBSEN22768-2:1993This British Standard, having been prepared under the direction of the Machine, Engineers and Hand Tools Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on15 July 1993 BSI 03-1999The following BSI references relate to the work on this standard:Committee reference MTE/24 Draft for comment 87/78364 DCISBN 0 580 21934 8Cooperating organizationsThe European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries:AustriaOesterreichisches NormungsinstitutBelgiumInstitut belge de normalisationDenmarkDansk StandardiseringsraadFinlandSuomen Standardisoimisliito, fran aise de normalisationGermanyDeutsches Institut f r Normung Organization for StandardizationIcelandTechnological Institute of IcelandIrelandNational Standards Authority of IrelandItalyEnt
definitions for geometrical tolerances given in ISO1101 and ISO5459 apply. 5 General geometrical tolerances (see also clause B.1) 5.1 Tolerances for single features 5.1.1 Straightness and flatness The general tolerances on straightness and flatness are given in Table 1. When a tolerance is selected from Table 1, it shall be based, in the case of
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