The bearing test methods at home and abroad

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Currently, bearing test methods at home and abroad, there are four: First, the friction and wear test, the second test bench test laboratory (test site) simulation test, run test of actual conditions.
Abroad, the several test methods have application purpose is not the same as, for example, to develop a new product, one must first do the friction and wear tests. If the form of friction and wear little change in product size only, subject to changes in load conditions, you just do bench, simulated or actual running test can. Abroad on some of the key parts of new products (such as wheel bearings, etc.) is extremely strict examination must be permitted to carry out supporting the use of actual running test. Sweden SKF bearings, Japan NTN Bearing recent research bearing simulation technology, the only alternative bench, simulation or experiment, to shorten product design time to speed up the progress of the product development, but away from the actual operation of the gap. Now, China s bearing industry has carried out the friction and wear tests, a Luoyang Bearing Research Institute; bearing bench test has been carried out, Luoyang Bearing Research Institute, Shanghai Inst itute axis Hangzhou Bearing Test Center and Wafangdian, Harbin 20 Yu Jiaguo bearing enterprise; Luoyang Bearing Research Institute, the Hangzhou Bearing Test Center and the Los shaft, Xiang-axis and other enterprises can expand the simulation test. While the actual test, only the host at supporting enterprise requirements bearing production enterprise to be carried out, such as the railway passenger wheel bearing and cars wheel bearings. In short, the domestic is not widespread in carrying out the simulation and the actual running test should further expand the host range or the actual range of operating conditions, to make adequate soft early on the agenda for the simulation, hardware ready.bearing company