Mood 3 Products
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Ball Screws
Flaking
Wear
Fretting
Indentations
Breakage of Ball Recirculation Parts
Breakage of Shaft End

Indentations

Damage ConditionPossible CausesCountermeasures
  • Indentations on the raceway at each ball location similar to the deformation caused by a Brinell Hardness Tester (Brinelling)
  • Indentations on a raceway caused by contamination or metal particles
  • High-energy impacts or improper handling of the products at installation or in transit will easily cause this damage
  • Caused by contamination or intruded metal particles
  • Adequate installation and handling
  • Improve sealing capability
  • Filter the lubrication oil

Indentation 1

Part: Screw shaft
Symptom: Indentations on a raceway
Cause: Indentations caused by excessive impact load or by contamination or intruded metal particles

Indentation 2

Part: Screw shaft
Symptom: Indentations on a raceway
Cause: Indentations caused by excessive impact load or by contamination or intruded metal particles

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