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Damage Condition Possible Causes Countermeasures
Damage on the tongue of ball return tube (ball pick up finger).
  • Rotational speed exceeded the permissible rotational speed (d•N)
  • Use of a ball return tube that meets the actual d•N value
  • Change to end-deflectors ball screws enabling higher speeds

 

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Breakage of Ball Recirculation Parts

Part: Ball return tube
Symptom: Damage on the tongue of ball return tube
Cause: High-speed operation exceeded the permissible rotational speed (d•N)

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