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Loader engine four Matching

- Aug 03, 2017 -

Piston, cylinder liner, piston ring, piston pins commonly known as four matching.


The piston is a reciprocating motion of the engine cylinder body. The basic structure of the piston can be divided into top, head and skirt. The top of the piston is the main part of the combustion chamber, and its shape is related to the type of combustion chamber chosen.


The cylinder liner is the abbreviation of the cylinder liner, it is inlaid in the cylinder cylinder body, with the piston and the cylinder head together composes the combustion chamber. Introduction cylinder sleeve is divided into dry cylinder sleeve and wet cylinder sleeve two broad categories.


The piston ring is a metal ring embedded inside the piston groove, and the piston ring is divided into two kinds: the compression ring and the oil ring. The compression ring can be used to seal the combustible mixture in the combustor and the oil ring is used to scrape the excess oil from the cylinder.


The piston pins are cylindrical pins mounted on the piston skirts. Its middle through the connecting rod small hole, is used to connect the piston and the connecting rod, its function is the piston to bear the gas force to pass to the connecting rod, or causes the connecting rod small head to drive the piston to move together. In order to reduce the weight, piston pins are generally made of high quality alloy steel and made hollow.


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