ISO-3117-1977.pdf
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1、INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION .MEXUlYHAPOnHAR OPTAHH3AWII II0 CXAHAPTA%UWH.OAGANlSATlON INTERNATIONALE DE NORMALISATION Tangential keys and keyways C/a ve tage par da ve t tes tangen tielles First edition - 1977-04-01 UDC 621 m886.6 Ref. No. IS0 3117-1977 (E)
2、Descriptors : keys and keyways, tangential keys, specifications, dimensions, dimensional tolerances. Price based on 4 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 01:36:
3、25 MDTNo reproduction or networking permitted without license from IHS -,-,- FOREWORD IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 member bodies). The work of developing International Standards is carried out through IS0 tec
4、hnical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standar
5、ds adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 3117 was developed by Technical Committee ISO/TC 14, Shafts for machinery and accessories, and was circulated to t
6、he member bodies in June 1976. It has been approved by the member bodies of the following countries : Belgium Germany Brazil Hungary Canada India Czechoslovakia Italy Denmark Japan Finland Korea, Rep. of France Mexico Poland Romania South Africa, Rep. of Spain Switzerland United Kingdom U.S.S.R. No
7、member body expressed disapproval of the document. 0 International Organization for Standardization, 1977 l Printed in Switzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007
8、 01:36:25 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IS0 3117-1977 (E) Tangential keys and keyways 1 SCOPE This International Standard specifies the dimensional characteristics of tangential keys and of their corresponding keyways in shaft and hu
9、b. It also gives the relation to be observed between the diameter of the shaft and the section of the kev. 2 FIELD OF APPLICATION This International Standard is intended for general application to cylindrical shafts. 3 DIMENSIONS AND TOLERANCES OF KEYS AND KEYWAYS See the figure and the table on pag
10、es 2 and 3. 4 MATERIAL Steel having a tensile strength of not less than 590 N/mm2 in the finished conditi-on, unless otherwise agreed between the interested parties. NOTE - The mechanical properties of the steel will be specified completely at a later date. 5 DESIGNATION A pair of tangential keys sh
11、all be designated by their common thickness, their combined width and their common length and by reference to this International Standard. Example : - for a pair of tangential keys with thickness t = 8 mm, width b = 24 mm and length I = 100 mm : Copyright International Organization for Standardizati
12、on Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 01:36:25 MDTNo reproduction or networking permitted without license from IHS -,-,- l- NOTES 1 The relative positions of the keys after assembly shall be made secure by dowelling or som
13、e other suitable means. 2 To facilitate the cutting of keyways on the shaft and in the hub, they may be located 180 apart. by agreement between the interested parties. 1) The length I is a function of the design in question; its value must always be indicated. It is recommended that this length be c
14、hosen so as to be 10 to 15 % greater than the length of the hub. 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/28/2007 01:36:25 MDTNo reproduction or networking permitted without lic
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