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Piston Rings

Piston Rings. Piston Rings. Purpose: Seal to prevent loss of compression pressure Transfer heat of combustion to cylinder walls Support/guide piston in bore. Piston Rings. Construction Materials Cast Iron Steel Coatings Porous Chrome Molybdenum Black Oxide. Piston Rings. Top.

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Piston Rings

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  1. Piston Rings

  2. Piston Rings • Purpose: • Seal to prevent loss of compression pressure • Transfer heat of combustion to cylinder walls • Support/guide piston in bore

  3. Piston Rings • Construction Materials • Cast Iron • Steel • Coatings • Porous Chrome • Molybdenum • Black Oxide

  4. Piston Rings Top Compression Middle Napier Bottom Oil Control

  5. Piston Rings - Compression • Rectangular

  6. Piston Rings - Compression • Taper Face

  7. Piston Rings - Compression • Internally Beveled

  8. Piston Rings - Compression • Internally Stepped

  9. Piston Rings - Compression • Internal Bevel Reverse Twist

  10. Piston Rings – Napier • Napier

  11. Piston Rings - Napier • Taper Faced Napier

  12. Piston Rings – Oil Control • Slotted

  13. Piston Rings – Oil Control • Expander Spring Backed

  14. Piston Rings – Oil Control • Coil Spring Loaded - Slotted

  15. Piston Rings – Oil Control • Coil Spring Loaded - Beveled

  16. Piston Rings – Oil Control • Coil Spring Loaded – Double Beveled

  17. Piston Rings – Oil Control • Coil Spring Loaded – Beveled Edge, Chrome Plated

  18. Piston Rings – Oil Control • Expander/Segment

  19. Piston Rings – Design/Function • Tangential Pressure

  20. Piston Rings – Comp Ring Seal

  21. Piston Rings – Comp Ring Seal • Gas Ports

  22. Piston Rings • Typical Ring Package

  23. Piston Rings • Typical Ring Package

  24. Piston Rings – Break-in • Cylinder bore finish (honed) at 1000X

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