BS 5341-6.5:1992
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Piston rings up to 200 mm diameter for reciprocating internal combustion engines. Vocabularly, inspection methods and generic specifications. Quality requirements
Hardcopy , PDF
01-30-2006
English
05-01-1992
Committees responsible
National foreword
Vocabulary
0. Introduction
1. Scope and field of application
2. References
3. Terminology
4. Visible defects
5. Material
6. Raised material caused by marking of rings
7. Machining of periphery and sides - Unintentional
departure from ideal profile and flatness
Tables
1. Permissible values of size, number and spacing of
pores, cavities and sand inclusions
2. Permissible size of indentations and depressions
3. Maximum size of burrs for all sizes of ring
4. Edge material removal in deburr operations
5. Permissible size of chipping and defects on uncoated
rings on peripheral edges, peripheral edges of the
gap and outside gap corners
6. Permissible size of chipping and defects on coated
rings with chromium-plated periphery, on peripheral
edges, peripheral edges of the gap and outside
gap corners
7. Permissible size of chipping and defects on spray-
coated rings on peripheral edges, peripheral edges
of the gap and outside gap corners
8. Permissible size of chipping and defects on chamfers
at the peripheral edge and peripheral edge of the gap
9. Permissible size of chipping and defects on inside
gap corners
10. Test conditions to measure tangential force loss
11. Maximum permitted raised material
12. Permissible side face unevenness in the
circumferential direction
13. Permissible wind
Figures
1. Chipping on peripheral edges of the gap
2. Chipping on peripheral edges
3. Chipping on outside gap corners
4. Combination of figures 1 and 3
5. Chipping on oppposite gap corners
6. Chipping on chamfers
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