2014年7月16日星期三

Wear failure of marine crane bearing

Wear failure is one of the common failure mode of marine crane bearing , according to wear form is usually divided into the abrasive wear and adhesive wear the most common.
First of all, reasonable structure design of both have advanced, there will be a longer marine crane bearing  life. Manufacture of bearings are generally after forging, heat treatment, machining, grinding and assembling multi-channel processes. Rationality, advanced processing technology, the stability will also affect the service life of bearing. The effect of heat treatment and grinding process quality of finished double direction thrust ball bearing, often has a more direct relationship with the bearing failure. Bearing in recent years research on bearing surface modification layer of work shows that, the relationship between grinding and surface quality of bearing close.
The metallurgical quality of bearing materials is the main factor affecting the early failure of rolling bearings once. With the metallurgical technology (such as vacuum degassing of steel bearing) progress, improved quality of raw materials. Raw materials quality factors has been a marked decline in the proportion of Flange Slewing Bearing failure analysis, bearing, but it is still one of the main factors of bearing failure.



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