ДСТУ EN 13298:2022 Железнодорожный транспорт. Элементы подвески. Винтовые пружины сжатия из стали (EN 13298:2003, IDT)



ДСТУ EN 13298:2022
(EN 13298:2003, IDT)

Залізничний транспорт. Елементи підвіски.
Ґвинтові пружини стиснення зі сталі

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Terms, symbols, units and their abbreviations

3.1 Terms

3.2 Symbols, units and their abbreviations

3.3 Definition of the geometrical characteristics

4 Classification of the product

5 Requirements

5.1 Service conditions

5.2 Functional requirements

5.3 Essential requirements

6 Product specification

6.1 Technical specification

6.2 Design characteristics

6.3 Material

6.4 Mechanical characteristics of the spring

6.5 Surface protection

7 Test methods

7.1 General

7.2 Axial force-deflection testing

7.3 Transverse stiffness test

7.4 Test of free transverse deflection

7.5 Test of geometrical characteristics

7.6 Test of general and essential requirements

7.7 Mechanical requirements

7.8 Surface protection

8 Quality of the product

8.1 General

8.2 Product qualification procedures and samples

8.3 Control and monitoring of production quality

8.4 Final acceptance requirements

8.5 Non conformity

9 Marking

10 Packaging

Annex A (normative) Helical cylindrical compression springs with constant inclination, formed from cylindrical steel bars and featuring formed and ground ends

A.1 Object

A.2 Inner and outer diameters

A.3 Ends of the spring

A.4 Contact line

A.5 Geometrical tolerances

A.6 Distance between the coils

Annex B (normative) Materials for hot formed and treated helical suspension springs

B.1 General

B.2 Material for helical suspension springs, steel

Annex C (normative) Repeatability of prestressing by means of shot peening

C.1 Object

C.2 Check of the intensity

C.3 Check of the covering

Annex D (normative) Examination for inclusions

D.1 Object

D.2 Test methods

Annex E (normative) Magnetic detection of surface imperfections of helical springs formed from cylindrical steel bars

E.1 Object

E.2 Methods

E.3 Special precautions

Bibliography