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Linear Guides RCA: Corrosion

2020-10-13T13:15:14+00:00Oct 13, 2020

Damage Condition

Corrosion on raceways and balls.

Possible Causes Intrusion of water or corrosive substance Inadequate lubricant Improper storage Countermeasures Improve sealing function Change to higher anti-acid material or better surface treatment Review the lubrication system Review the storing condition
Corrosion at Ball Slider

Part: Ball slider
Symptom: Corrosion on raceways
Cause: Rusted raceways and balls caused by chlorinated cutting coolant penetrating the protective covers and attaching the ball slide

Corrosion at Balls

Part: Balls
Symptom: Corrosion on balls
Cause: Aggressive cutting coolant attacked the ball surface

Source: NSK

By Cindy · Bearing design & application specialists

This article is prepared by the SINO BEARINGS (Sinoti Tech) engineering team, based on published bearing standards (ABEC / ISO P0–P2), material datasheets, and field application experience across industrial, food, medical and aerospace uses. For manufacturer background, certifications and facilities, see our About page.

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