How scraping plain bearings

Research before, carefully check the journal is lubrication, whether have composite bearing defects such as rust, dent, if any should be managed to eliminate;Then, check the shaft neck and shaft touch, check way, coated with a thin layer on the diameter of axle appeared agent (such as lead red, red qian oil, etc.), then can to journal bearings, turn positive and negative direction rolling two or three with the hand, remove shaft, check the color point on the bearing spread condition, if color spread not normal or foundation, ability to study.

Scraping the inquiry should be based on the situation, to adopt after the first heavy light, heavy with light, large sliding bearing have small norms.Beginning a few times, the hand can heavier, more away some metal, in order to quickly reach better {TodayHot} by touch.When touch area reached 50%, you should blow gently.Every finished, the tile surface wipe, then appeared agent look colonel in the journal check it, again according to touch situation research, until the fit skills needs to stop.Scraping the research view to use agent, but high precision bearing demand for touch point, scraping the inquiry can use agent during the final.Because, after appeared coating agent, color point on the bearing is too big, not easy to distinguish practice touch condition.When the shaft neck rub-up, directly on bearing inner check, and then remove the shaft, can see the window on the bearing, is the touch point.Bright spot for scraping the inquiry again until they fit skills needs to stop.