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本文(DIN ISO 9457-1-1997 Road vehicles - Metric starter motor pinions - Part 1 Currently used pinions (ISO 9457-1 1991)《道路车辆 米制起动器电动机小齿轮 第1部分 普通小齿轮》.pdf)为本站会员(吴艺期)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

DIN ISO 9457-1-1997 Road vehicles - Metric starter motor pinions - Part 1 Currently used pinions (ISO 9457-1 1991)《道路车辆 米制起动器电动机小齿轮 第1部分 普通小齿轮》.pdf

1、DEUTSCHE NORM March 1997 Road vehicles Part 1 : Currently used pinions Metric starter motor pinions (IS0 9457-1 : 1991) DIN - IiSO9457-1 I ICs 43.060.1 O Descriptors: Road vehicles, internal combustion engines, starters, pinions. Straenfahrzeuge - Metrische Starterritzel - Teil 1 : Aktuell verwendet

2、e Ritzel (IS0 9457-1 : 1991) This standard incorporates International Standard IS0 9457-1 Road vehicles - Metric starter motor pinions - Part 1 : Currently used pinions. A comma is used as the decimal marker. National foreword This standard has been prepared by ISO/TC 22. The responsible German body

3、 involved in its preparation was the Normenausschu Kraftfahrzeuge (Road Vehicle Engineering Standards Committee). 1 No pari of this standard may be reproduced without the prior permission of )IN Deutsches Institut fr Normung e. V., Berlin. leuth Verlag GmbH, D-i0772 Berlin, has the exclusive right o

4、f sale for German Standards (DIN-Normen). Ref. No. DIN IS0 9457-1 : 1997-03 English price group 06 Sales No. 0406 04.99 Page 1 IS0 9457-1 : 1991 Road vehicles Metric starter motor pinions Part 1 : Currently used pinions Foreword IS0 (the International Organization for Standardization) is a worldwide

5、 federation of national standards bodies (IS0 member bodies) The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that c

6、ommittee. International organizations, govern- mental and non-governmental, in liaison with ISO, also take part in the work IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization Draft International Standards adopted by th

7、e technical committees are circulated to the member bodies for voting. Publication as an Inter- national Standard requires approval by at least 75% of the member bodies casting a vote International Standard IS0 9457-1 was prepared by Technical Committee ISO/TC 22, Road vehicles. IS0 9457 consists of

8、 the following parts, under the general title Road vehicles - Metric starter motor pinions. - Part I: Currently used pinions NOTE - A future part will cover pinions with a 20“ pressure angle. Page 2 IS0 9457-1 : 1991 1 Scope This part of IS0 9457 specifies the metric modules, pressure angles, number

9、 of teeth and other tooth characteristics which are necessary to ensure interchangeability of currently used starter motor pinions (those with a pressure angle of 14“ 30) used for starter motors mounted on reciprocating internal combustion engines for road vehicles. 2 Dlmensions Detailed tooth limit

10、 dimensions and the base tangent length as lhe inspection value, W, are given in table 1 for currently used starter motor pinions. NOTE 1 The symbols, which are in accordance with IC0 701:1976, International gear notation - Symbols for geometrical data, are illustrated in figure 1. 3 Other dimension

11、s and specifications Dimensions and requirements not given in this part of IS0 9457 are lefi to the manufacturers choice. Page 3 IS0 9457-1 : 1991 Table 1 Dimensions in millimetres ?i$- - O Q- * * h “. NN Dm x D 3 o- _ 8 0- _. 4 0- - WW v)v) *- W v) q mo (9 8 89; I - t N z; q- mm _ m N 9 o N- h WDh “ N PI Nr NN 8 00- ID 00 9 2 m .G EE d“ B i al .- $ U a i= - O I L Page 4 IS0 9457-1 : 1991 Figure 1

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