Crankshaft is the main rotating mechanism of the engine, it bears the reciprocating movement of the piston into its own circular motion, and usually we call the engine speed is the crankshaft speed.
The crankshaft is the main rotating parts of the engine, and after the connecting rod, the upper and lower (reciprocating) movement of the connecting rod can be turned into a cyclic (rotational) movement.
Crankshaft is an important part of the engine, the material is made of carbon structural steel or ductile iron, there are two important parts: spindle neck, connecting rod neck, (and others). Crankshaft The spindle neck is mounted on the cylinder body, the connecting rod neck is connected with the connecting rod hole, and the connecting rod head hole is connected with the cylinder piston, Crankshaft which is a typical crank-slider mechanism. The lubrication of the crankshaft mainly refers to the lubrication of the bearing between the rocker arm and the two fixed points. Crankshaft rotation is the engine power source. is also the source power of the entire mechanical system.
The crankshaft is the reciprocating movement of the piston into a rotating part, generally in the cylinder liner under the crankcase, inside is the oil lubrication, now in addition to Mazda’s rotor engine, the engine must have crankshaft. The crankshaft also transmits the energy of the car piston to the flywheel. The crankshaft of the general automobile is connected with the clutch directly. Crankshaft The clutch then transfers power to the transmission. The general straight-row engine crankshaft each one of the crank corresponding to a piston cylinder, the V-type engine is a flexure corresponding to the two piston cylinders. It has high requirements for materials, processing methods, methods and precision.
The composition of the crankshaft
The material is made of carbon structural steel or ductile iron, and has two important parts: the spindle neck, the connecting Rod Neck, (and others). The spindle neck is mounted on the cylinder body, the connecting rod neck is connected with the connecting rod hole, and the connecting rod head hole is connected with the cylinder piston, which is a typical crank-slider mechanism. Crankshaft The lubrication of the crankshaft mainly refers to the lubrication of the bearing between the rocker arm and the lubrication of the two fixed points. The crankshaft rotation is the engine power source. is also the source power of the entire mechanical system.
Crankshaft will be due to the oil is not clean and the stress of the axle neck caused by uneven contact between the connecting rod head and the shaft neck wear, Crankshaft if the oil has large particles of hard impurities, there are also scratches on the surface of the shaft of the danger. If the wear is serious, it is likely to affect the piston up and down movement of the stroke length, reduce the combustion efficiency, natural also will be smaller power output.
In addition, the crankshaft may be due to insufficient lubrication or oil too dilute, resulting in the surface of the shaft burns, serious cases will affect the reciprocating movement of the piston. Crankshaft Therefore must use the suitable viscosity lubricant, and must guarantee the engine oil cleanliness.
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