What are the main wear locations of Bitzer HE piston
- Categories:Bitzer piston parts News
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- Time of issue:2022-05-10
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(Summary description)The biggest wear area of the Bitzer HE piston is the wear of the piston ring groove. The main reason is that the pressure of the gas increases the unit pressure of the piston ring on the ring groove.
What are the main wear locations of Bitzer HE piston
(Summary description)The biggest wear area of the Bitzer HE piston is the wear of the piston ring groove. The main reason is that the pressure of the gas increases the unit pressure of the piston ring on the ring groove.
- Categories:Bitzer piston parts News
- Author:
- Origin:
- Time of issue:2022-05-10
- Views:0
The biggest wear area of the Bitzer HE piston is the wear of the piston ring groove. The main reason is that the pressure of the gas increases the unit pressure of the piston ring on the ring groove. At the same time, due to the high-speed reciprocating motion of the piston, the piston ring has a great impact on the ring groove; in addition, the high temperature of the combustion gas makes the piston head The operating temperature is high, and the closer to the top of the piston, the higher the temperature and gas pressure. Therefore, the wear Z of the first ring groove is serious, and the wear of the following ring grooves is gradually reduced. The wear of the ring groove is mainly on the lower plane, and the wear on the upper plane is less, so that the ring groove wears into a trapezoid with a small inside and a large outside, which increases the side clearance of the piston ring, causing the cylinder to blow-by gas and oil.
Bitzer HE piston head has little contact with the cylinder wall due to the support function of the piston ring during operation, and its wear is very small.
Although the skirt of the Bitzer HE piston is in contact with the cylinder wall, the pressure per unit area is not large and the lubrication conditions are good, so there is less wear and tear, usually on the side bearing the lateral force, which is prone to wear and abrasion. When the gap between the piston skirt and the cylinder wall is too large, the engine is prone to knocking and serious oil blowing. Therefore, the engine overhaul mainly depends on the gap between the piston and the cylinder wall and the degree of wear of the cylinder.
When Bitzer HE piston is working, due to the inertial force of gas pressure, the piston pin seat hole appears elliptical wear, and the Z largest wear part is the up and down direction of the seat hole, which makes the fit between the piston and the pin loose and abnormal. sound.
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