说说油封和安定用油一、油封油封的作用是把润滑油封闭在一定壳体里，防止润滑油流失，保证轴承、齿轮以及相对运动零件的配合表面形成良好的润滑油膜，以减少磨损和动力消耗。同时油封还能防止灰尘、水分等沾污润滑油。油封有弹簧骨架式橡胶油封（自紧油封）、毛毡式油封... First, the role of oil seal is to seal the oil in a certain shell, to prevent the loss of oil to ensure that the bearing, gear and the relative movement of the surface with the formation of a good lubricant film to reduce wear and tear Power consumption. At the same time can also prevent oil seal dust, moisture and other contaminated lubricant. Oil seal with a spring skeleton rubber seal (self-tight seal), felt type oil seal ...