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Contact fatigue failure refers to the SKF bearing working surface by alternating stress and failure. Contact fatigue spalling occurs in the SKF bearing working surface, usually accompanied by fatigue crack, first from the contact surfaces of the following maximum alternating shear stress , and then extended to surface spalling of different shapes, such as point-like pitting or flaking, peeling off into small shallow flakes peeling off. Due to flaking surfaces gradually expanded, often expanding to deep, forming deep peeling. Deep fatigue spalling is ¬ contact fatigue failure of the source.
Wear failure means relative to the surface of metal sliding friction causes it to work surface constantly wear and failure. Continued wear and tear will cause progressive damage of the SKF bearing part and ultimately result in depriving the SKF bearing dimensional accuracy and other related issues. ¬ Wear may affect the shape change, clearance increase and change of surface morphology, lubricants or may affect its pollution reaches a certain degree of lubrication function and total loss, thus bearing the loss of rotational accuracy and does not operate properly.
SKF bearings in the spindle in operation when you want to fully guarantee the lubrication and based on actual usage regularly add lubricating oil, not oil for a long time. Therefore, user enterprises should use better, more appropriate spindle lubricant. New special spindle oil can dramatically improve lubrication performance, lengthening changes oil cycle, extending the service life of spindle and SKF bearings, also has good rust prevention, corrosion resistance, and so on.
SKF bearings with reinforced nylon cage temperature should be less than 120 ° c oil cooking cleaning is prohibited.
Spindle maintenance cleaning caution to prevent damage, scratch the surface of the roller. To try to clear the SKF bearing part of the residue should be used in washing, aspiration and method of cleaning the remaining oil in spindle foot is better. Should be careful to avoid dumping of cleaning residue deposited on the SKF bearing part, led to problems of wear and noise in bearings.
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