Technical Support

Ballscrew - Trouble Shooting

Failure Mode

Flaking is a typical fatigue failure. Shear stress causes initial crack under the surface of thread, ...More

   Root causeOver loading reaches the fatigue life of material.
Failure Mode
Rust and corrosion

Water base liquid, high humidity or high temperature difference environment would cause the material ...More

   Root causehigh humidity environment, water base liquid mixture, anti-rust protection fail.
Failure Mode
Overheat and burn marks

Overloading or poor lubrication condition generate abnormal frictional heat, causeing overheat and b ...More

   Root causeLubricant fail, overloading.
Failure Mode

Overloading condition leads to poor circulation of rolling element.The excessive or concentrated loa ...More

   Root causeexcessive impact force, poor circulation.
Failure Mode
Shaft end fracture

Shaft end bears repeated bending stress during rotating casuing the intial crack start from A→B→C.

   Root causeMisalignment or insufficient shaft end rigidity
Failure Mode
Dust intrusion

Dust particle get into ballscrew causing poor circulation.

   Root causeParticle size is smaller than dust proof protection.
Failure Mode
Water or coolant intrusion

Cutting fliud, or coolant fluid is not compatible with lubricant, causeing deterioration of the lubr ...More

   Root causelubricant deterioration, protection fail, pipe leaking.
i4.0BS® intelligent ballscrew provide you with the reference of abnormal ballscrew by temperature and vibration diagnosis.
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