Name: UNI EN 13906-1 : 2013
Brand: UNI

CYLINDRICAL HELICAL SPRINGS MADE FROM ROUND WIRE AND BAR - CALCULATION AND DESIGN - PART 1: COMPRESSION SPRINGS

Published date

24-10-2013

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, units and abbreviated
   terms
4 Theoretical compression spring diagram
5 Design principles
6 Types of Loading
7 Stress correction factor k
8 Material property values for the calculation of
   springs
9 Calculation formulae
10 Permissible torsional stresses
Annex A (informative) - Examples of relaxation for cold
        coiled springs
Bibliography

Defines the calculation and design of cold and hot coiled cylindrical helical compression springs with a linear characteristic, made from round wire and bar of constant diameter with values according to Table 1, and in respect of which the principal loading is applied in the direction of the spring axis.

Committee	CT 31
DevelopmentNote	Supersedes UNI 7900-2 and UNI 7900-4 (08/2003)
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI 197900-4 : 1979 UNI EN 13906-1 : 2003 UNI 7900-2 : 1978

Standards	Relationship
EN 13906-1:2013	Identical
I.S. EN 13906-1:2013	Identical
NBN EN 13906-1 : 2013	Identical
SN EN 13906-1:2013	Identical
NS EN 13906-1 : 2013	Identical
BS EN 13906-1:2013	Identical
NF EN 13906-1 : 2013	Identical
NEN EN 13906-1 : 2013	Identical
DIN EN 13906-1:2013-11	Identical
UNE-EN 13906-1:2002	Identical

EN 15800:2008	Cylindrical helical springs made of round wire - Quality specifications for cold coiled compression springs
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)
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