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FASTENERS - TIGHTENING PERFORMANCE - TORQUE/ANGLE SIMPLIFIED TEST METHOD

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2005

Publisher

National Standards Authority of Ireland

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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Test principle
6 Apparatus
  6.1 Test device
  6.2 Test fixture
  6.3 Reference fasteners
  6.4 Fasteners to be tested
7 Test procedure
  7.1 General
  7.2 Test procedure for nut testing
  7.3 Test procedure for bolt/screw testing
8 Evaluation of the results
9 Test report
Annex A (normative) Calibration method for determination
        of the angle theta[test]
Annex B (normative) Determination of the control limit
        values for the torque (T[min] and T[max])
Annex C (informative) Example of determination of the control
        limit values for the torque (T[min] and T[max])
Bibliography

Provides a test method for fasteners with ISO metric thread from M6 to M16 and with property classes 8.8 to 12.9 for bolts and screws and with property classes 8 to 12 for nuts, to check their tightening performance in the elastic range.

DocumentType	Standard
Pages	25
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
EN 14831:2005	Identical
DIN EN 14831 E : 2005	Identical
UNI EN 14831 : 2005	Identical
BS EN 14831:2005	Identical
DIN EN 14831:2005-07	Identical