Linear bearing is the self-lubricating characteristic of a linear motion system. The difference between linear metal bearing and linear metal bearing is that the linear metal bearing is rolling friction, and the bearing and cylindrical shaft are point contact, which is suitable for low load and high-speed motion; while the linear plastic bearing is sliding friction, and the bearing and cylindrical shaft are surface contact, so this is suitable for high load medium and low-speed motion. We want to make the linear bearing work better, then we must maintain it! Next, the guide screw manufacturer will explain the main maintenance items of the linear bearing in detail for you:

　　我们必须注意维护时的线性轴承维护不同的轴承是不一样的:金属直线轴承维护:润滑和摩擦,线性轴承内部注入防腐油,如果使用油脂润滑,一个用煤油或有机溶液去除防腐油,空气干燥,然后添加润滑脂。(建议使用粘度标记为N0.2的锂皂润滑脂)润滑时不需要去除防锈油，根据温度变化可选择粘度等级为ISO vg15-100的润滑油。由于密封圈会刮油，油润滑不适合有密封圈的无孔轴承。塑料直线轴承的保养:由于塑料直线轴承的滑动膜是由自润滑塑料制成，所以在使用过程中不需要额外的供油和保养;而且由于塑料直线轴承带有切屑槽，所以即使轴承或轴上挤满了灰尘也不需要保养，灰尘在运动过程中会自动从切屑槽中移出;只有当滑动膜磨损时，才能直接更换内滑动膜。易于维护。

　　We must pay attention to the maintenance of linear bearings. The maintenance of different bearings is different: maintenance of metal linear bearings: lubrication and friction. Anti corrosion oil is injected into the linear bearings. If grease lubrication is used, the first one is to remove the anti-corrosion oil with kerosene or organic solution, air drying, and then adding grease. (it is recommended to use lithium soap grease with viscosity marked N0.2) when lubricating, rust proof oil does not need to be removed, and lubricating oil with viscosity grade of ISO vg15-100 can be selected according to temperature change. Because the sealing ring will scrape oil, oil lubrication is not suitable for the bearings with sealing ring. Maintenance of plastic linear bearing: since the sliding film of plastic linear bearing is made of self-lubricating plastic, no additional oil supply and maintenance are required in the use process; moreover, since the plastic linear bearing has chip groove, even if the bearing or shaft is full of dust, no maintenance is required, and the dust will be automatically removed from the chip groove during the movement process; Only when the sliding film is worn, can the inner sliding film be replaced directly. Easy to maintain.

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