Do you know linear slide bearing system damage forms?

Linear slide bearing system main include

The linear motion guide rail is used to support and guide moving components, performing reciprocating linear motion in a given direction.

Linear bearings are mainly used in automated machinery, such as machine tools, paper bowl machines, laser welding machines, etc. Of course, linear bearings and linear shafts are used together. Linear guides are mainly used in mechanical structures with high precision requirements.

The slider transforms the motion from a curve to a straight line. The new guide rail system enables the machine tool to achieve rapid feed speed, which is a characteristic of linear guides when the spindle speed is the same.

Damage forms of linear slide bearing system

1. Damage caused by incorrect installation of the linear slide bearing system

During installation, if the bearing shells are not installed correctly, causing distortion or local contact, it is easy to cause local damage to the bearing shells during operation.

2. Linear slide bearing system abrasive wear

The hard particles (such as dust, sand, etc.) that enter the bearing gap are either embedded in the bearing surface, or free in the gap and rotate with the shaft, all of which will have a grinding effect on the journal and bearing surface. When starting, stopping, or edge contact occurs on the journal, they all exacerbate bearing wear, leading to geometric changes, loss of accuracy, increased shaft clearance, and a sharp deterioration of bearing performance before the expected lifespan.

3. Linear slide bearing system biting (bonding)

When the temperature rise of the bearing is too high, the load is too large, and the oil film ruptures, under the condition of insufficient lubricating oil supply, the relative movement surface materials of the journal and shaft adhere and migrate, resulting in bearing damage. Sometimes biting may even cause relative motion to stop.

4. Linear slide bearing system fatigue peeling

Under repeated loads, fatigue cracks appear on the surface of the bearing perpendicular to the sliding direction. When the cracks propagate towards the joint surface of the bearing lining and the backing, they cause the bearing lining material to peel off.

5. Linear slide bearing system corrosion

Lubricants constantly oxidize during use, resulting in acidic substances that are corrosive to bearing materials, especially to lead in cast copper lead alloys, which are prone to corrosion and form point like detachment.

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