There are many rotating stages that cannot function properly after winter in the north, mainly due to the following reasons.

1、 The main reason is that the staff in the non rotating lifting stage industry are not aware that the hydraulic oil used in rotating stages is also divided into two types: summer use and winter use.

2、 Due to thermal expansion and contraction, although the properties of steel are generally taken into account in the design of rotating stages, the environment in which they are located is different. Under extremely low temperature conditions, steel may exhibit some unstable behaviors, such as increased hardness and decreased toughness. At this time, it is necessary to pay more attention to maintaining equipment and lubricating key parts to avoid dry grinding.