Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.
2013年7月30日星期二
New bearing test equipment
As China's first in ZYS Precision Bearings est technology research one of the manufacturers, have developed a simulation of railway bearing test machine, automobile clutch bearing simulation machine, automobile wheel hub bearing testing machine, car alternator bearing testing machine, auto gear box bearing test machines and other working conditions of the bearing test equipment. In recent years, the application of computer automatic control, simulation technology and computer analysis and calculation, so that China's bearing test technology into the international advanced level ranks.
ZYS has repeatedly undertake national key research projects, such as: "high-speed railway bearing simulation technology research", "car bearing Simulation Study" and so on. Created the "aerospace bearing test room" to fill our special media bearing aerospace and aviation intermediate bearing test blank.
Currently ZYS China has become the most widely bearing test (involving aviation, aerospace, railway, automobile, motorcycle, etc.), test the widest size (diameter size from a few millimeters to several hundred millimeters large, medium and small bearings), the test most species (available for high-speed, high-temperature, off the oil, special media, sealed, leak grease, and other issues involving variable load bearing life, performance, working conditions and bearing parts simulation test), test parameters, test items most complete (except for bearings ring temperature, oil temperature, pressure, flow, load tests, and many other general parameters, you can also rotate the inner ring temperature, cage speed, film thickness, fatigue, vibration, and other special parameters are tested), the most comprehensive testing capability of the bearing test sites.
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