Vibratory screen troubleshooting. 1. The material flow on the vibrating screen is abnormal. First, the rigidity of the screen box is insufficient, there is a critical frequency, the connecting bolt has been loosened, and even to the extent of full vibration, that is, tightening. Second, the horizontal level of the screen box is not accurately ...,。.,247,。. 201810,21.8,GDP106% ...Entre los cuales, cuatro candidatos de vacunas chinas han entrado en ensayos clínicos internacionales de fase III, previa a la comercialización. Además, un total de 60.000 voluntarios ya han recibido vacunas chinas de COVID-19 durante los ensayos clínicos de fase III y no se han reportado efectos secundarios graves.Vibrating screen is widely applied in industrial sectors as of non-ferrous, ferrous metals, coal and road construction. Panels and Plates for Vibrating Screens can separate mixed material of different kinds into different classes of particle sizes through the combination of single-deck or multi-deck screens, so as to meet the requirements of a certain ore dressing …2. Insufficient lubricating oil. The lack of lubricating oil will inevitably lead to rising temperatures. It is necessary to check the bearing regularly and add the lubricating oil to avoid the ...5 Tips of Vibrating Screen Problems & Solutions. There are many kinds of vibration screens, such as electromagnetic vibration screens, circular vibration screens, linear vibration screens, etc. The latter two belong to inertial vibration screens, which are commonly referred to as vibration screens. In daily production, vibration screen will ...