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Di N 7168

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Samuel Souza
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105 views2 pages

Di N 7168

Uploaded by

Samuel Souza
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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‘as the autoritive tot tn case o ut the Germerlangvage ora 5 i General tolerances for linear and angular dimensions and geometrical tolerances (n01 to be used for new designs) Aligemeintoteranzen; Langen- und Winkelmage, Form und Lage (nicht far Neukonstruktionen) ‘Supersedes May 1981 ‘edition of DIN 7163 Part 1 and July 1986 edition of DIN 7168 Part 2 ‘This standardis not o be used for new designs. General lolerances for these are now covered by ISO.2768 Paris 1 and 2 ‘See also clause 1 and the Explanatory notes. {In keeping with current practice in standerds published by the International Organization for Standardization (ISO), @ ‘comma has been used throughout as the decimal marker. 1 Scope ‘This standard ic intended to enoure that all drawings prepared to date in which general tolerances have been ‘specified on the basis of DIN7188 will remain intelligible. and be interpreted correctly, and also to inform the user of this standard that, for all new designs, tolerances are to be specified on the basis of ISO.2768 Parte 1 and 2. 2 Field of application General tolerances as specified in this standard aro applicable for the dimensions of parts produced by metal removal (i.2. chip removal)’), unless this involves special ‘manufacturing processes for which other standards speci- fying general tolerances apply General tolerances as specified here shall apply when reference is made to this standard in drawings or ase0- ciated documents (e.g. delivery conditions) in accordanca with clause 5. It special general tolerances are specttied in accordance with otner standards (ct. page 6), the standards concerned shall be indicated on the drawing ot in the associated documents. If, in cases where production epecificatione contain reterences to more than one standard on general tolerances, there is any doubt as to which standard is 19 apply for @ given linear or angular dimension, then the standard specifying the larger tolerance shall be deemed to apply. Accordingly, a dimension between an unfinished and a finished surface on a blank (e.9. on a casting blank or forging blank), for which no individual tolerance has been Indicated, will be required to meet the general tolerance

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