S6D170 Diesel Engine Piston Komatsu Spare Parts 6162-35-2120

S6D170 komatsu diesel engine spare parts Piston 6162-35-2120

product description

Piston information:

6D170 Overhaul Kit
6D170 piston ring
6D170 Piston Kit
6D170 cylinder engine piston
6D170 cylinder liner/sleeve
6D170 Full Gasket Kit
6D170 cylinder head gasket
6D170 cylinder head
6D170 cylinder block
6D170 engine assembly
6D170 Camshaft
6D170 crankshaft
6D170 intake valve
6D170 exhaust valve
6D170 crankshaft
6D170 Oil pump

6D170 Connecting rod
6D170 main bearing group
6D170 Connecting rod bearing set
6D170 Fuel pump
6D170 Fuel injection pump

Related engine products:

The function of the piston is to withstand the gas pressure and transmit it to the connecting rod through the piston pin to drive the crankshaft to rotate. The top of the piston is also an integral part of the combustion chamber. Working conditions The piston works under the conditions of high temperature, high pressure, high speed and poor lubriion. The piston is directly in contact with the high-temperature gas, and the instantaneous temperature can reach above 2500K. Therefore, the heat is severe and the heat dissipation conditions are poor, so the temperature of the piston is very high when it is working, and the top is as high as 600-700K, and the temperature distribution is very uneven; the top of the piston bears The gas pressure is very high, especially the power stroke pressure is the highest, the gasoline engine is as high as 3-5MPa, and the diesel engine is as high as 6-9MPa, which makes the piston produce impact and bear the effect of side pressure; the piston moves in the cylinder at a very high speed (8 ~12m/s) reciproing motion, and the speed is constantly changing, which produces a large inertial force, which makes the piston subject to a large additional load. Working under such harsh conditions, the piston will deform and accelerate wear, as well as generate additional load and thermal stress, and at the same time be subjected to chemical corrosion by gas

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