ISO INTERNATIONAL. STANDARD. ISO. Second edition. Internal combustion engines — Piston rings —. Part 5. ISO. Second edition. Internal combustion engines — Piston rings —. Part 5: Quality requirements. Moteurs à combustion interne. STANDARD. ISO. Third edition. Reference number. ISO (E). This is a free 5 page sample. Access the full version online.
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МКС ISO 6621-5:2014
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BS ISO 6621-5:2013
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ISO – Standards Australia
isi This second edition cancels and replaces the first edition ISO ISO consists of the following parts, under the general title Internal combustion engines — Piston rings: These terms designate either types of piston rings or certain characteristics and phenomena of piston rings. The terms and definitions in this part of ISO apply to piston rings for reciprocating internal combustion engines.
They may also be used for piston rings of compressors working under analogous conditions. However, only the terms given in the official languages can be isoo as ISO terms.
Full text of “IS/ISO Internal Combustion Engines – Piston Rings, Part 1: Vocabulary”
For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. Key 1 peripheral surface 6 inside surface 2 back of the ring 7 ring width, h1 3 free gap, m 8 side faces 4 butt ends 9 peripheral edges 5 radial wall thickness, a1 10 coil spring excursion, f1 Figure 1 — Unstressed ring 5.
Key oso outside chamfered edge 2 peripheral edge 3 side face edge 4 inside chamfered edge Figure 5 — Chamfered edges 5.
Due to jso wedge shape, any radial movement of the ring will alter its axial clearance and thus minimize the build-up of combustion residues. Pin point or burry light 6. Coil-spring-loaded oil control rings of narrow width made of cast iron  ISOInternal combustion engines — Piston rings — Part 3: Cranes — Safety — Design — Requirements for equipment — Part 1: