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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>Focus on the use of TIMKEN deep groove ball bearings Matters needing to use TIMKEN deep groove ball bearings
The TIMKEN bearing touch fatigue failure is the effect of the alternating stress on the bearing work surface, and the deep fallout is the connotation of the touch fatigue failure. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
We know that touch fatigue occurs when the deep groove ball bearing works outward; it is often accompanied by fatigue cracks; firstly, it occurs from the maximum alternating shear stress below the touch surface; then it expands to the outer surface to form a different shedding shape; Pitting or pitting off; the completion of the small piece of the called shallow layer shedding. Because of the gradual expansion of the detached surface; and often to the deep layer; constitute deep detachment.
Wear failure refers to the failure of the relative sliding friction between the exterior to cause the wear and tear of the working exterior metal.
Continued wear will lead to gradual damage to the bearing parts; and the end will lead to loss of bearing scale accuracy and other related problems. Wear can affect shape changes; cooperative gaps increase and work appearance changes; can affect the smoothing agent or make it reach the pollution The degree of smoothness is completely lost; thus, the bearing loss rotation accuracy can not even work properly. Wear failure is one of the common failure modes of various types of bearings; according to the wear mode, it can be generally divided into the most common abrasive wear and adhesive wear.
The main reason for TIMKEN bearing cracking failure is that TIMKEN bearing itself has shortcomings and overload when applied. When the applied load exceeds the data strength limit, the cracking of the part is called overload cracking. The overload is caused by the host's sudden fault or the device is not properly. The micro-crack of the bearing part Shortcomings such as shrinkage cavities, air bubbles, large foreign objects, overheating arrangements and partial burns will also cause cracking in the shortcomings during impact overload or severe oscillation; called short cracking. It should be pointed out; the bearing is in the process of production; The data can be re-inspected, the quality control of casting and heat treatment, and the processing of the process can be correctly analyzed by the instrument to determine whether the above defects can exist; in the future, the control must be strengthened. However, in general, the deep groove ball bearing generally exhibits large crack failure. Most are overload failures.
1) Adhere to the hygiene of the bearing and its surroundings. 2) Carefully and carefully, if used, the thick and large leaves will give the bearing a severe impact; the bearing will be scratched, indented, cracked and so on.
3) Use suitable things 4) Pay attention to the anti-rust of the bearing to prevent it from being used in wet places; and do not let the sweat get on; wear gloves.
5) The operator should understand the bearing 6) The operating standard for the application of the deep groove ball bearing a, the storage b of the bearing, the clearance of the bearing and its surroundings, the inspection of the dimensions and processing quality of the device part, the operation of the device e, and the device View f, open the job g, protect the protection (timed view)
h, smoothing agent make up
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Matters needing to use TIMKEN deep groove ball bearings
Source: China Bearing Network Time: 2014-08-05