UNI EN 13906-2 : 2013
Current
The latest, up-to-date edition.
CYLINDRICAL HELICAL SPRINGS MADE FROM ROUND WIRE AND BAR - CALCULATION AND DESIGN - PART 2: EXTENSION SPRINGS
24-10-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions, symbols,
units and abbreviated terms
4 Theoretical extension spring diagram
5 Types of loading
6 Stress correction factor k
7 Initial tension force F[0]
8 Material property values for the calculation
of springs
9 Calculation formulae
10 Permissible torsional stress under static
or quasi-static loading
11 Calculation of extension springs for dynamic
loading
Annex A (informative) - Types of spring ends
Bibliography
Describes the calculation and design of cold and hot coiled helical extension springs made from round wire and bar with values according to Table 1, loaded in the direction of the spring axis and operating at normal ambient temperatures.
| Committee |
CT 31
|
| DevelopmentNote |
Supersedes UNI 7900-5 (08/2003)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 13906-2:2013 | Identical |
| NS EN 13906-2 : 2013 | Identical |
| SN EN 13906-2 : 2013 | Identical |
| NBN EN 13906-2 : 2013 | Identical |
| I.S. EN 13906-2:2013 | Identical |
| BS EN 13906-2:2013 | Identical |
| NEN EN 13906-2 : 2013 | Identical |
| NF EN 13906-2 : 2013 | Identical |
| UNE-EN 13906-2:2002 | Identical |
| DIN EN 13906-2:2013-09 | Identical |
| EN 12166:2016 | Copper and copper alloys - Wire for general purposes |
| EN 10270-3:2011 | Steel wire for mechanical springs - Part 3: Stainless spring steel wire |
| EN 10089:2002 | Hot-rolled steels for quenched and tempered springs - Technical delivery conditions |
| EN ISO 26909:2010 | Springs - Vocabulary (ISO 26909:2009) |
| EN 13906-1:2013 | Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1 : Compression springs |
| ISO 26909:2009 | Springs Vocabulary |
| ISO 2162-1:1993 | Technical product documentation — Springs — Part 1: Simplified representation |
| EN 10270-1:2011+A1:2017 | Steel wire for mechanical springs - Part 1: Patented cold drawn unalloyed spring steel wire |
| EN ISO 2162-1 : 1996 | TECHNICAL PRODUCT DOCUMENTATION - SPRINGS - SIMPLIFIED REPRESENTATION |
| ISO 26910-1:2009 | Springs — Shot peening — Part 1: General procedures |
| EN 10270-2:2011 | Steel wire for mechanical springs - Part 2: Oil hardened and tempered spring steel wire |
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