Cut off oil cylinder by cylinder. Take the method of cutting off the oil cylinder by cylinder to determine the position of the knocking cylinder. If the oil is cut off to a certain cylinder, the sound decreases or disappears obviously, and when the oil supply is resumed, you can hear the obvious "click" sound, indicating that the cylinder The piston hits the cylinder.

2023

Selection and Development Trend of Engine Piston Material

The live village is called the heart of the engine. It is one of the most important parts in the engine. Its function is to bear the gas pressure and transmit it to the connecting rod through the piston pin to drive the crankshaft to rotate. When the engine is working, the piston is directly in contact with the high-temperature gas with an instantaneous temperature of 2200 degrees Celsius, and the temperature at the top reaches 300C-400C, and the temperature distribution is uneven: the top of the piston bears a large gas pressure during the power stroke, the gasoline engine reaches 4MPar5MPa, and the diesel engine Up to 8MP~9MPa, or even higher: In addition, the line speed of the reciprocating movement of the piston in the cylinder can reach llm/s~1m/s; work under such harsh conditions.

2023

Diesel generator piston connecting rod assembly

Cleverly install the piston pin. The piston pin and the pin hole are an interference fit. When installing, put the piston in water or engine oil and heat it evenly to 90°C~100°C. After taking it out, put the tie rod at an appropriate position between the holes of the piston pin seat, and then install the piston pin coated with engine oil in the predetermined direction. Insert it into the piston pin hole and the copper sleeve of the connecting rod.

2023

How to classify internal combustion engine pistons

Since internal combustion engine pistons work under high temperature, high pressure and high load conditions, the requirements for pistons are relatively high, so we mainly talk about the classification of internal combustion engine pistons.

2023

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