Compressor connecting rod
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As shown in the image, there are holes and grooves inside the compressor rod. What is the purpose of these? Shouldn’t it be smooth and flat inside? Those who know why it was designed, please share. Thank you
The holes and grooves in the compressor rod are primarily used for lubrication and to reduce friction. Round holes are typically used to install bearings or for oil supply, while grooves help to create an oil film on the surface of the connecting rods, thereby reducing friction and wear during movement. It is designed in this way to improve the efficiency and lifespan of the machine. .
Fuel supply holes, fuel distribution grooves. The names are given arbitrarily for reference only; P
An oil tank, so that lubricating oil can enter to cool, lubricate, and wash away impurities caused by mechanical wear.
Lubricating oil groove, used to lubricate the crosshead pin and prevent it from seizing with the rod small-end bushing
That is the compressor rod bearing shell, which serves as an oil groove; its main function is to prevent the bearing shells from sticking together at high temperatures.
Lubrication channel for the copper bushing of the connecting rod small end