DIN EN ISO 286-2-2010 Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 2 Tables of standard tolerance classes and limit deviations f.pdf

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1、November 2010 Translation by DIN-Sprachendienst.English price group 21No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).I

2、CS 17.040.30!$l27“1731520www.din.deDDIN EN ISO 286-2Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations forholes and shafts (ISO 286-2:2010)English translation of DIN EN ISO 286-2:2010-11Geometrisch

3、e Produktspezifikation (GPS) ISO-Toleranzsystem fr Lngenmae Teil 2: Tabellen der Grundtoleranzgrade und Grenzabmae fr Bohrungen und Wellen(ISO 286-2:2010)Englische bersetzung von DIN EN ISO 286-2:2010-11Spcification gomtrique des produits (GPS) Systme de codification ISO pour les tolrances sur les t

4、ailles linaires Partie 2: Tableaux des classes de tolrance normalises et des carts limites desalsages et des arbres (ISO 286-2:2010)Version allemande EN ISO 286-2:2010Traduction anglaise de DIN EN ISO 286-2:2010-11SupersedesDIN ISO 286-2:1990-11www.beuth.deDocument comprises pagesIn case of doubt, t

5、he German-language original shall be considered authoritative.6011.10 DIN EN ISO 286-2:2010-11 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 213 “Dimensional and geometrical product specifications and verification” (Secretari

6、at: DS, Denmark) in collaboration with Technical Committee CEN/TC 290 “Dimensional and geometrical product specification and verification” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Technische Grundlagen (Fundamental Technical Standa

7、rds Committee), Working Committee NA 152-03-02 AA CEN/ISO Geome-trische Produktspezifikation und -prfung. The DIN Standards corresponding to the International Standards and publications referred to in this document are as follows: ISO 286-1 DIN EN ISO 286-1 ISO 1101 DIN EN ISO 1101 ISO 1302 DIN EN I

8、SO 1302 ISO 2692 DIN EN ISO 2692 ISO 2768-1 DIN ISO 2768-1 ISO 14405-1 DIN EN ISO 14405-1*)ISO/TR 14638 DIN V 32950 Amendments This standard differs from DIN ISO 286-2:1990-11 as follows: a) the standard has been technically revised; b) Technical Corrigendum ISO 286-2:1988/Cor.1:2006 has been incorp

9、orated. *) under preparation DIN EN ISO 286-2:2010-11 3 Previous editions DIN 7160-1: 1936-10, 1942-04 DIN 7160-2: 1936-10, 1942-04 DIN 7160-3: 1936-10, 1942-04 DIN 7160-4: 1936-10, 1942-04 DIN 7160-5: 1936-10, 1942-04 DIN 7160-6: 1936-10, 1942-04 DIN 7161: 1936-10, 1942-04 DIN 7160-7: 1942-04 DIN 7

10、172-2: 1965-06, 1986-03 DIN 7161-1: 1965-08 DIN 7160: 1965-08 DIN ISO 286-2: 1990-11 National Annex NA (informative) Bibliography DIN EN ISO 286-1, Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of tolerances, deviations and fits DIN EN ISO 1101

11、, Geometrical Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out DIN EN ISO 1302, Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation DIN EN ISO 2692, Geometrical product specifications (GPS

12、) Geometrical tolerancing Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR) DIN ISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications DIN EN ISO 14405-1, Geometrical Product Sp

13、ecification (GPS) Dimensional tolerancing Part 1: Linear sizes DIN V 32950, Geometrical product specification (GPS) Masterplan DIN EN ISO 286-2:2010-11 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 286-2 June 2010 ICS 17.040.10 Supersedes EN 20286-2:1993

14、English Version Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts (ISO 286-2:2010) Spcification gomtrique des produits (GPS) - Systme de codification ISO pour les tolrance

15、s sur les tailles linaires - Partie 2: Tableaux des classes de tolrance normalises et des carts limites des alsages et des arbres (ISO 286-2:2010) Geometrische Produktspezifikation (GPS) - ISO-Toleranzsystem fr Lngenmae - Teil 2: Tabellen der Grundtoleranzgrade und Grenzabmae fr Bohrungen und Wellen

16、 (ISO 286-2:2010) This European Standard was approved by CEN on 15 May 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibli

17、ographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility

18、of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ice

19、land, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenu

20、e Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 286-2:2010: EContents EN ISO 286-2:2010 (E) DIN EN ISO 286-2:2010-11 2 Page Foreword3 Introduction .4 1 Scope 5 2 Normative references 7 3 Standa

21、rd tolerances 7 4 Limit deviations for holes .8 5 Limit deviations for shafts 8 6 Presentation of Tables 2 to 328 Annex A (informative) Graphical review of tolerance intervals for holes and shafts 49 Annex B (informative) Relationship to the GPS matrix model54 Bibliography 56 Foreword This document

22、(EN ISO 286-2:2010) has been prepared by Technical Committee ISO/TC 213 Dimensional and geometrical product specifications and verification” in collaboration with Technical Committee CEN/TC 290 “Dimensional and geometrical product specification and verification” the secretariat of which is held by A

23、FNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2010, and conflicting national standards shall be withdrawn at the latest by December 2010. Attention is drawn to the possibility tha

24、t some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 20286-2:1993. According to the CEN/CENELEC Internal Regulations, the national standards organizatio

25、ns of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

26、 Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 286-2:2010 has been approved by CEN as a EN ISO 286-2:2010 without any modification. “EN ISO 286-2:2010 (E) DIN EN ISO 286-2:2010-11 3 Introduction This part of ISO 286 is a geometrica

27、l product specification (GPS) standard and is to be regarded as a general GPS standard (see ISO/TR 14638). It influences chain links 1 and 2 of the chain of standards on size in the general GPS matrix. For more detailed information on the relationship of this part of ISO 286 to the GPS matrix model,

28、 see Annex B. The need for limits and fits for machined workpieces was brought about mainly by the requirement for interchangeability between mass-produced parts and the inherent inaccuracy of manufacturing methods, coupled with the fact that “exactness” of size was found to be unnecessary for most

29、workpiece features. In order that the fit function could be satisfied, it was found sufficient to manufacture a given workpiece so that its size lay within two permissible limits, i.e. a tolerance, this being the variation in size acceptable in manufacture while ensuring the functional fit requireme

30、nts of the product. Similarly, where a specific fit condition is required between mating features of two different workpieces, it is necessary to ascribe an allowance, either positive or negative, to the nominal size to achieve the required clearance or interference. ISO 286 gives the internationall

31、y accepted code system for tolerances on linear sizes. It provides a system of tolerances and deviations suitable for two types of feature: “cylinder” and “two parallel opposite surfaces”. The main intention of this code system is the fulfilment of the function fit. The terms “hole”, “shaft” and “di

32、ameter” are used to designate the types of feature of cylinders (e.g. for the tolerancing of the diameter of a hole or shaft). For simplicity, they are also used for two parallel opposite surfaces (e.g. for the tolerancing of the thickness of a key or the width of a slot). The pre-condition for the

33、application of the ISO code system for tolerances on linear sizes for the features forming a fit is that the nominal sizes of the hole and the shaft are identical. The previous edition of ISO 286-2 (published in 1988) had the envelope criterion as the default association criterion for the size of a

34、feature; however, ISO 14405-1 changes this default association criterion to the two-point size criterion. This means that form is no longer controlled by the default specification of size. In many cases, the diameter tolerances specified in this part of ISO 286 are not sufficient for effective contr

35、ol of the intended function of the fit. The envelope criterion specified in ISO 14405-1 may be required. In addition, the use of geometrical form tolerances and surface texture requirements may improve the control of the intended function. A general graphical representation of the relationship betwe

36、en the respective tolerance classes and their deviations is given in Annex A. EN ISO 286-2:2010 (E) DIN EN ISO 286-2:2010-11 4 1 Scope This part of ISO 286 gives values of the limit deviations for commonly used tolerance classes for holes and shafts calculated from the tables given in ISO 286-1. Thi

37、s part of ISO 286 covers values for the upper limit deviations ES (for holes) and es (for shafts), and the lower limit deviations EI (for holes) and ei (for shafts) (see Figures 1 and 2). NOTE In the tables of limit deviations, the values of the upper limit deviation ES or es are shown above the val

38、ues of the lower limit deviation EI or ei except for tolerance classes JS and js which are symmetrical about the zero line. The ISO system for tolerances on linear size provides a system of tolerances and deviations suitable for features of the following types: a) cylinders; b) two parallel opposite

39、 surfaces. For simplicity, and also because of the importance of cylindrical workpieces of circular section, only these are referred to explicitly. It should be clearly understood, however, that the tolerances and deviations given in this part of ISO 286 equally apply to workpieces of other than cir

40、cular sections. In particular, the term “hole” or “shaft” is used to designate features of the cylinder type (e.g. for the tolerancing of the diameter of a hole or shaft) and, for simplicity, these terms are also used for two parallel opposite surfaces (e.g. for the tolerancing of the thickness of a

41、 key or the width of a slot). For further information on terminology, symbols, the basis of the system, etc., see ISO 286-1. EN ISO 286-2:2010 (E) DIN EN ISO 286-2:2010-11 5 ITEIESEIESESEIAtoG H JS J K M NPtoZCES EI=+IT ES =0+ITES =+ IT/2ES 0 ES ES 0 EI =0 EI =- IT/2EI ES=-ITIT see Table 1Limit devi

42、ations0+_Key 1 K1 to K3, and also K4 to K8 for sizes for which 0 ei = 0+_Key 1 j5, j6 2 k1 to k3, and k4 to k7 for sizes for which nominal size u 3 mm (for the significance of the dash, see e.g. footnote “b” to Table 2) 3 k4 to k7 for sizes for which 3 mm nominal size u 500 mm 4 k8 to k18 Figure 2 U

43、pper and lower limit deviations for shafts (external features) 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document

44、 (including any amendments) applies. ISO 286-1:2010, Geometrical product specifications (GPS) ISO code system for tolerances of linear sizes Part 1: Basis of tolerances, deviations and fits 3 Standard tolerances The values of standard tolerance grades IT01 to IT18, inclusive, are given in Table 1. E

45、N ISO 286-2:2010 (E) DIN EN ISO 286-2:2010-11 7 4 Limit deviations for holes A synoptic representation of the tolerance classes for holes, as given in this part of ISO 286, is shown in Figures 3 and 4. Attention is drawn to the fact that the tolerance classes shown in Figures 3 and 4, and their limi

46、t deviations given in Tables 2 to 16, are not intended to give detailed directives on the selection of tolerance classes for any purpose. Recommendations for the selection of tolerance classes are given in ISO 286-1:2010, Subclause 4.4 and Clause 5. NOTE Some tolerance classes are only provided for

47、a restricted number of nominal size ranges. For further information, see 6.1. 5 Limit deviations for shafts A synoptic representation of the tolerance classes for shafts, as given in this part of ISO 286, is shown in Figures 5 and 6. Attention is drawn to the fact that the tolerance classes shown in

48、 Figures 5 and 6, and their limit deviations given in Tables 17 to 32, are not intended to give detailed directives on the selection of tolerance classes for any purpose. Recommendations for the selection of tolerance classes are given in ISO 286-1:2010, Subclause 4.4 and Clause 5. NOTE Some toleran

49、ce classes are only provided for a restricted number of nominal size ranges. For further information, see 6.1. 6 Presentation of Tables 2 to 32 6.1 Values may be calculated, from the tables given in ISO 286-1, for fundamental deviations used for tolerance classes for which there is no entry in the tables but for which the space has been left blank. 6.2 A small horizontal separation has been inserted in the tables, where appropriate, to distinguish between values for nominal sizes less than or equal to