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مکانیک::
محفظهی میللنگ، محفظه لنگ
The oil control ring meters and distributes the oil directed onto the cylinder liner by the crankshaft system, returning excess oil to the crankcase sump.
High temperatures are the primary factor, and the top piston ring groove and the crankcase are the critical regions.
The oil temperature in the crankcase is 120 to 130°C, or higher.
Express each force in terms of cylinder pressure pc, crankcase pressure pcc, friction force Ff, piston area Ap, effective piston (and part of connecting rod) mass mp, piston acceleration a, connecting rod force F".
The two-stroke cycle spark-ignition engine in its standard form employs sealed crankcase induction and compression of the fresh charge prior to charge transfer, with compression and spark ignition in the engine cylinder after charge transfer.
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