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Damage Condition Possible Causes Countermeasures
Corrosion on raceways and balls.
  • Intrusion of water or corrosive substance
  • Inadequate lubricant
  • Improper storage
  • Improve sealing function
  • Change to higher anti-acid material or better surface treatment
  • Review the lubrication system
  • Review the storing condition


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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