NBN EN 14831 : 2005
Current
The latest, up-to-date edition.
FASTENERS - TIGHTENING PERFORMANCE - TORQUE/ANGLE SIMPLIFIED TEST METHOD
12-01-2013
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
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| EN 14831:2005 | Identical |
| UNI EN 14831 : 2005 | Identical |
| BS EN 14831:2005 | Identical |
| DIN EN 14831:2005-07 | Identical |
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