Scraped and unscraped bearing shells
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Why are some bearing shells very smooth and lack oil storage grooves? Some bearing shells have dovetail-shaped ones, as well as grid-shaped oil storage grooves? Under what circumstances is it necessary to scrape the oil storage tank? When should you not shave? Or what material is the wattage division made of? I hope everyone can share their experiences
Dynamic pressure lubrication can cause scratching, while static pressure lubrication generally results in a smooth surface.
As long as oil can reach the bearing shells, it doesn’t matter whether there is an oil groove or not; of course, it’s better to have an oil groove, as this helps keep the temperature of the bearing shells lower. The specific pattern of the groove doesn’t make much difference – as long as oil can flow in and be stored there