April 21, 2020Installation and maintenance technology of tower crane slewing bearing:(1) The mounting support of slewing support must be sufficiently rigid and the mounting surface should be flat. The bearing shoul...view
December 17, 2020China slewing ring bearing plays a very important role in many mechanical equipment, and its position is also important. Therefore, friction and depreciation will inevitably occur in the process of us...view
April 21, 2020Regarding the maintenance of the slewing drive during normal use, the operation and maintenance party generally needs to pay attention to the following points:1.Add grease in time, and the normal fill...view
December 28, 2020In general, the turntable bearing collar is 50Mn, but sometimes 42CrMo is used to meet the needs of the main engine for special applications. Rolling elements generally use GCr15SiMn. The type of main...view