What are the functions of MAXUS cylinder pads?
01 Seal
The main function of the cylinder pad is to seal. It is located between the cylinder block and the cylinder head and acts as an elastic sealing element. Since the cylinder block and head cannot be completely flat, the presence of the cylinder pad is essential to prevent high-pressure gases, lubricating oil and cooling water from escaping or escaping between them. In addition, the cylinder pad ensures the seal between the piston and the cylinder wall, prevents large amounts of high temperature and high pressure gas from leaking into the crankcase, and helps to conduct heat from the top of the piston to the cylinder wall, which is then carried away by cooling water or air.
02 Ensure good sealing between the upper part of the body
The main role of the cylinder pad is to ensure excellent sealing between the upper parts of the body. Its dimensions match the bottom plane of the cylinder head and the top plane of the body to ensure a tight fit. In addition, the water and oil channel bore inside the cylinder pad is consistent with the bore of the cylinder head and upper body, which helps maintain the smooth flow of fluid through the system while preventing leakage. This precise matching and design ensures that during the operation of the machine, the various parts of the upper part of the body can maintain a close connection, thus ensuring the efficient and stable operation of the machine.
03
Withstand mechanical loads caused by air force and tightening cylinder head bolts
The main function of the cylinder pad is to withstand the mechanical load caused by the air force and the tightening of the cylinder head bolts. When the engine is working, the cylinder will produce high pressure gas, which will directly act on the cylinder gasket. At the same time, in order to ensure a tight connection between the cylinder head and the cylinder body, it is necessary to use bolts for tightening, which also brings additional mechanical load to the cylinder pad. Therefore, the cylinder pad must have sufficient strength and durability to cope with these mechanical loads and ensure the normal operation of the engine.
04 Prevent high pressure gas, lubricating oil and cooling water from escaping between them
The main function of the cylinder pad is to prevent high pressure gas, lubricating oil and cooling water from escaping between them. In the working process of the engine, the cylinder pad plays a key sealing role to ensure that the high-pressure gas will not leak during the combustion process, so as to ensure the stable operation and performance of the engine. At the same time, it can also prevent the lubricating oil and cooling water from entering the area that should not be entered to avoid damage to the engine. In short, the sealing performance of the cylinder pad is essential for the proper and efficient operation of the engine.
Does the car cylinder mattress need to be replaced after each disassembly?
The car cylinder mattress needs to be replaced after each disassembly.
Automobile cylinder mattress, as an important engine component, its role is to seal the space between the engine cylinder block and the cylinder head to prevent the leakage of gas, lubricating oil and coolant. Due to its special working environment, the cylinder mattress is susceptible to high temperature and high pressure, resulting in deformation. Therefore, under normal circumstances, it is not recommended to reuse the car cylinder mattress. In each engine replacement, a new cylinder bed pad should be replaced to ensure the normal operation of the engine and extend its service life 1.
In addition, after the replacement of the cylinder pad, the engine needs to be tightened twice for a period of time to achieve the specified torque, which is to ensure that the cylinder pad will not cause additional impact on the engine in subsequent use. Although with the gradual maturity of processing and maintenance technology, cylinder change pad has little impact on the engine, but the technical difficulty still exists, there are certain requirements for the maintenance master's craft, and it takes a long time .
After the car replaces the cylinder pad, there will be a certain depreciation of the car. This is because the replacement of the cylinder pad to disassemble most of the parts on the engine, the cylinder head and most of the electronic equipment disassembled, it is difficult to restore to the original factory state. If the replacement and maintenance process is not carried out in strict accordance with the technical requirements, it will leave hidden dangers to other parts, thus affecting the value of the vehicle .
To sum up, in order to ensure the normal operation and safety of the engine, it is recommended to replace the new cylinder mattress after each disassembly.
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