BS 3537:1979
Current
The latest, up-to-date edition.
Specification for gudgeon pins up to 200 mm diameter
Hardcopy , PDF
English
01-31-1979
Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Gudgeon pin designs
4. Basic design features
5. Plain pins, end face located
6. Plain pins, not end face located
7. Chamfer locking with round wire circlips
8. Button or end pad pins
9. Pins secured by clamp bolts
10. Pins secured by set screw
11. Materials
12. Case hardening
13. Quality requirements
14. Measuring procedures
15. Magnetic flaw detection
Appendix
A. Typical material specifications (with oversea
equivalents)
Tables
1. Dimensions for outside diameter
2. Surface texture on outside diameter
3. Limits on inside diameter
4. Concentricity of bore to outside diameter (FIM)
5. Surface texture of machined finishes in bores
6. Inside diameter end chamfers
7. Outer end chamfers or radii
8. Limits on length
9. Runout of end faces
10. Surface texture on ends
11. Material classification by mechanical properties
12. Finished case depths
13. Diameter reduction at pin ends
Figures
1. Plain gudgeon pin
2. Form tolerance
3. Alternative outer edge forms
4. Plain circlip location
5. Chamfer locking with round wire circlips
6. Button or end-pad type pin
7. Clamp groove pins
8. Set screw location
9. Diameter reduction at pin ends
10. Measurement of outside diameter
11. Measurement of inside diameter and
concentricity/radial wall thickness
12. Measurement of length
13. Measurement of runout of end faces
14. Measurement of length and runout of end faces
(alternative combined method)
15. Magnetization: conducting bar
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