Date: 2013-08-22

KOYO bearing operation diagnosis

Outside spherical bearing in the in running in the necessarily will occurred sound, and hot, and vibration, phenomenon, therefore people often can from outside spherical bearing in running in the of noise, and temperature rose, and vibration, and rate, and grease State, tiny changes, to detection and diagnosis KOYO bearings of technology State, to timely found bearing of fault and the identify fault of degree, to take necessary of measures to guarantee bearing security run and as to extended its make j months life.
Spherical bearings has developed diagnostic instruments, whether for production departments, are conditional, based mainly on the technical effectiveness and economic efficiency depending on the size. Railway rolling stock sector, can be materialized to the following conditions:
1. check out severe shortcomings of spherical bearings, eliminate or significantly reduce the fatal accident occurred. For example, North American Railway Association (AAR) can request to check out without triggering malignant fault line: full load (25--30t), full speed (104,4km/h), run 9654km, temperatures are not significantly increased. As railway rolling stock axle IR temperature alarm, requires accurately check the temperature exceeds 70 ° c abnormal warming of spherical bearing failure.
2. after checking out a certain amount of time, may affect the quality problems of reliability of bearings. China railway locomotive traction motor bearing, based on prior to the dissolution of the next overhaul, principle of not burning failure occurred requiring instruments to check out the equivalent of idle temperature 30-35 ℃ KOYO bearings defect.
3. the function of prices lower than the other. When you select diagnostic equipment, when needed to determine fault test function (sensitivity, number of items, scope, and purpose) identified, people always want to instrument the price lower, price/feature ratio is lower, of course, "function" is a useful function, does not contain extra features.

 

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