China Manufacturer Crank shaft

China Manufacturer Crank shaft

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Crank shaft is main rotating parts of engine, is installed on the connecting rod, can undertake of connecting rod (reciprocating) up and down movement into circulation movement (rotation).

Crank shaft is an important part on the engine, and its material is made of carbon structural steel or nodular cast iron, there are two important parts: main journal, connecting rod journal, (and other). Main journal is installed on the cylinder block, connecting rod connected with the big hole, neck connecting rod small hole connected to the cylinder piston, is a typical slider-crank mechanism. Lubrication is mainly refers to between the rocker arm and crankshaft bearing lubrication and two fixed point of lubrication. This is commonly pressure lubrication, crankshaft oil duct and between the bearing shell are interlinked, after the engine is running on oil pump to provide pressure oil lubrication and cooling. Piston engine working process is, after a mix of compressed gas combustion, forces the pistons to do rectilinear motion, and through the crankshaft connecting rod will force, by the linear motion into rotary motion of the crankshaft. The rotation of the crankshaft is the power source of the engine.

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