aCompleWe will modify the handle for the round barted I will send you pictures CompleWe将修改把柄为圆barted我将送您图片[translate] aThe outer ring bearings and bearing seat holes immediately cope with, the inner ring and the shaft is less to tie in with bearings, can be pressed into the...
Critical speed causes high-frequency vibration as the vacuum space rapidly increases due to resonance, causing shaft displacement, vibration, and damage to bearings and systems directly [18,19]. Therefore, the critical speed of the rotating body must be accurately predicted, and the equation of mot...