1、March 2015Translation by DIN-Sprachendienst.English price group 8No 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).ICS 43
2、.150!%AR“2304704www.din.deDDIN ISO 6698Cycles Screw threads used to assemble freewheels on bicycle hubs(ISO 6698:1989),English translation of DIN ISO 6698:2015-03Fahrrder Gewinde fr Zusammenbau von Freilaufzahnkrnzen und Naben (ISO 6698:1989),Englische bersetzung von DIN ISO 6698:2015-03Cycles Filet
3、ages utiliss pour lassemblage des roues libres sur les moyeux de bicyclettes(ISO 6698:1989),Traduction anglaise de DIN ISO 6698:2015-03SupersedesDIN ISO 6698:1989-04www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages03.15 A comma i
4、s used as the decimal marker. ContentsPage National foreword .3 National Annex NA (informative) Bibliography .4 Introduction .5 1 Scope .6 2 Normative references .6 3 Basic ISO thread profile and basic sizes .6 3.1 Basic profile 6 3.2 Basic sizes 6 4 Limits and tolerances .6 4.1 Fundamental deviatio
5、ns and maximum material limits 6 4.2 Tolerance grades, tolerances and limits of size 6 5 Designation .6 6 Gauging system 7 DIN ISO 6698:2015-032DIN ISO 6698:2015-033National foreword This document (EN ISO 6698:1989) has been prepared by Technical Committee CEN/TC 149 “Cycles” (Secretariat: DIN, Germ
6、any). The responsible German body involved in its preparation was the DIN-Normenausschuss Sport- und Freizeit-gert (DIN Standards Committee Sports Equipment), Working Committee NA 112-06-02 AA Fahrrad-Zubehr. Attention is drawn to the possibility that some of the elements of this document may be the
7、 subject of patent rights. DIN and/or DKE shall not be held responsible for identifying any or all such patent rights. In addition to the legal units of measurement, this standard also uses the unit “inch”. It should be noted that the Gesetz ber Einheiten im Messwesen (German Law on units in metrolo
8、gy) prohibits the use of this unit for official and commercial purposes in Germany. The indication of this unit solely serves to facilitate the communication with those countries where this unit is used (import-export business). Conversion: Non-SI unit SI unit Conversion in (inch) mm 1 in = 25,4 mm
9、The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 68 DIN ISO 68-1 sowie DIN ISO 68-2 ISO 965-1 DIN ISO 965-1 ISO 1502 DIN ISO 1502 Amendments This standard differs from DIN ISO 6698:1989-04 as follows: a) the flank angle has been modified
10、; b) the ISO thread profile has been changed. Previous editions DIN 79012: 1960-10 DIN ISO 6698: 1989-04 National Annex NA (informative) Bibliography DIN ISO 6698:2015-034DIN 2244, Screw threads Terms and screw thread elements for parallel screw threads DIN ISO 68-1, ISO general purpose metric screw
11、 threads Basic profile Part 1: Metric screw threads DIN ISO 68-2, ISO general purpose screw threads Basic profile Part 2: Inch screw threads DIN ISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data DIN ISO 1502, ISO general purpose metric screw threads Gau
12、ges and gauging ISO 5408, Screw threads Vocabulary Cycles Screw threads used to assemble freewheels on bicycle hubs DIN ISO 6698:2015-035N1) National footnote: In ISO thread standards, the usual expression is “number of pitches per metric unit” rather than “turns per inch” or “t.p.i.”. DIN ISO 6698:
13、2015-036N2) National footnote: In ISO thread standards, the usual expression is “number of pitches per metric unit” rather than “turns per inch” or “t.p.i.”. DIN ISO 6698:2015-037N3) National footnote: In ISO thread Standards, the usual expression is “number of pitches per metric unit” rather than “turns per inch” or “t.p.i.”. DIN ISO 6698:2015-038DIN ISO 6698:2015-039DIN ISO 6698:2015-0310DIN ISO 6698:2015-0311
