Ball screw support bearings lubrication and dust - bearing knowledge

To guarantee the normal work of the ball screw support bearings, prolong service life, the ball screw support bearings must be considered sufficient lubrication. In general, there are two kinds of bearing lubrication way, a way of oil lubrication, the other is a grease lubrication way; Ball screw support bearing lubrication lubricating way we adopt what kind of? Ball screw support bearing lubrication, can undertake choosing according to the running speed of the bearing, China bearing network according to the specific circumstances, to share, the ball screw support bearings you choose good lubrication way, and when to better lubricant is better. ( 1) Oil lubrication under normal circumstances, the mineral oil can be used for rolling bearing. Especially under the condition of high speed, with grease lubrication than beautiful. Ball screw support bearings with oil lubrication, generally for the total loss system oil, then through the oil hole on the shell injection nut of space, then the rise of temperature of the ball screw pair is smaller. Add lubricating oil lubrication and interval, according to the table below, according to the amount of oil in the table, you can at least eight hours of supplementary lubrication. ( 2) Grease lubrication grease in general thread race and install nut shell space. Using the advantages of grease lubrication can make the ball screw drive system only after a very long time need to supplement. That is to say, in most cases, can save a supplement lubrication device. Adding grease set limit to is about to fill in the nut inside the half space volume. Can use all advanced rolling bearing grease, but must pay attention to the manufacturer's instructions for grease! The complement of the grease is usually six months or a year for replacement, replace the old grease should be removed before to change the new grease. Ball screw support bearing dust like rolling bearing, ball screw and foreign bodies (if Chip clastic) Enter will soon make it wear and damage. Therefore, must use protective device ( Folding or retractable screw sheath) The screw shaft complete protection. In addition, although there is no other foreign bodies, but there's dust on both ends of the nut when you use scrapings type shield.