What is the effect of excessive wear of cylinder on the working performance of internal combustion engine of diesel generator set?
① The fit clearance between the cylinder and the piston skirt increases, resulting in poor compression, difficulty in starting and power reduction.
② The fuel leaks into the oil basin, damages the lubrication of the cylinder wall, dilute the engine oil, and reduce the quality of the engine oil.
③ The oil flows into the combustion chamber and is burned, the oil consumption increases, the combustion chamber produces carbon deposits, and the cylinder wear increases, which may bite the piston ring (because the oil is burnt at the piston ring).
④ When the out-of-roundness and taper are too large, the sealing between the piston ring and the cylinder wall will be reduced, and the working stability of the ring will be lost. Therefore, the out-of-roundness and taper of various internal combustion engine cylinders have clear technical requirements.
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