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Chongqing Paize Motorcycle Parts Co.,Ltd
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motorcycle piston ring

- Apr 02, 2018 -

A piston ring is a split ring that fits into a groove on the outer diameter of a piston in reciprocating engine such as an internal combustion engine or steam engine.The main function of piston rings in reciprpcating engine are:

1.Sealing the combustion chamber so that there is minimal loss of gases to the crank case.

2.Improving heat transfer from the piston to the cylinder wall .

3.Maintaing the proper quantity of the oil between the piston and the cylinder wall . 

4.Regulating engine oil consumption by scraping oil from the cylinder walls back to sump.

 The gap in the piston ring compresses to a few thousandth of an inch inside the cylinder bore.Piston rings are major factor in identifying if an engine is two stroke or four stroke.Three piston rings suggest that it is a four stroke engine whilw piston rings suggest that it is a two stroke engine.Most piston rings are made of a very hard and somewhat brittle cast iron.

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