piston rings
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/1.jpg)
Piston Rings
![Page 2: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/2.jpg)
• Purpose:• Seal to prevent loss of compression
pressure• Transfer heat of combustion to cylinder
walls• Support/guide piston in bore
Piston Rings
![Page 3: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/3.jpg)
Piston Rings
•Construction Materials• Cast Iron• Steel
• Coatings• Porous Chrome• Molybdenum • Black Oxide
![Page 4: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/4.jpg)
Piston Rings
Top
Middle
Bottom
Compression
Napier
Oil Control
![Page 5: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/5.jpg)
Piston Rings - Compression
• Rectangular
![Page 6: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/6.jpg)
Piston Rings - Compression
• Taper Face
![Page 7: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/7.jpg)
Piston Rings - Compression
• Internally Beveled
![Page 8: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/8.jpg)
Piston Rings - Compression
• Internally Stepped
![Page 9: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/9.jpg)
Piston Rings - Compression
• Internal Bevel Reverse Twist
![Page 10: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/10.jpg)
Piston Rings – Napier
• Napier
![Page 11: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/11.jpg)
Piston Rings - Napier
• Taper Faced Napier
![Page 12: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/12.jpg)
Piston Rings – Oil Control
• Slotted
![Page 13: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/13.jpg)
Piston Rings – Oil Control
• Expander Spring Backed
![Page 14: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/14.jpg)
Piston Rings – Oil Control
• Coil Spring Loaded - Slotted
![Page 15: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/15.jpg)
Piston Rings – Oil Control
• Coil Spring Loaded - Beveled
![Page 16: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/16.jpg)
Piston Rings – Oil Control
• Coil Spring Loaded – Double Beveled
![Page 17: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/17.jpg)
Piston Rings – Oil Control
• Coil Spring Loaded – Beveled Edge, Chrome Plated
![Page 18: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/18.jpg)
Piston Rings – Oil Control
• Expander/Segment
![Page 19: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/19.jpg)
Piston Rings – Design/Function
• Tangential Pressure
![Page 20: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/20.jpg)
Piston Rings – Comp Ring Seal
![Page 21: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/21.jpg)
Piston Rings – Comp Ring Seal
• Gas Ports
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Piston Rings
• Typical Ring Package
![Page 23: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/23.jpg)
Piston Rings
• Typical Ring Package
![Page 24: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/24.jpg)
Piston Rings – Break-in
• Cylinder bore finish (honed) at 1000X
![Page 25: Piston Rings](https://reader036.vdocuments.mx/reader036/viewer/2022081417/5681633c550346895dd3cc49/html5/thumbnails/25.jpg)