BS 5138:1974
Current
The latest, up-to-date edition.
Specification for magnetic particle flaw inspection of finished machined solid forged and drop stamped crankshafts
Hardcopy , PDF
English
31-10-1974
Co-operating organizations
Foreword
Specification
1 Scope
2 References
3 Method of test
4 Assessment of results
5 Inspection and rectification of defects
6 Certificate of test
Appendix
A The effects of dimpling on crankshafts: results of an
investigation on a known crankshaft
Tables
1 Maximum equivalent median stress (alpha = 30 degrees,
theta = 0 degrees)
2 Maximum equivalent semi-range alternating stresses
(alpha = 30 degrees, theta = 0 degrees)
3 Maximum equivalent median stress
4 Maximum equivalent semi-range alternating stresses
Figures
1 Inspection zones: crankshaft in which the pin and
journal does not overlap
2 Inspection zones: crankshaft with overlap between pin
and journal
3 Permissible sizes of inclusions
4 Bending stress distribution in the crankpin fillet of
a typical crankshaft
5 Torsional stress distribution in the crankpin fillet
of a typical crankshaft
6 Stress concentration factor against r/h in bending
and torsion, showing minimum permitted values of r/h
for a crankpin with a 360 degree groove
7 Percentage reduction in load-carrying capacity of a
crankshaft bearing
8 Non-dimensional load-carrying capacity of a
crankshaft bearing
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