On the Internet, there is a video on the speed comparison between bearing germany and Chinese ball bearings, which shows that German bearing technology is ahead.
Netizens took out two ball bearings of the same specifications. The right hand was made in Germany and the left hand was made in China. Among them, the right hand is made in Germany, and the balls are lighter in color. The one in the left hand is made in China, and the balls are darker in color.
The first test is a darker domestic ball bearing. The method is to fix it on an iron rod similar to a swing knife and then use your thumb to move it. The domestic ball bearing lasts for about 2 to 3 seconds and then stops. The sound is low. The next test was a bearing germany. The ball bearings made in Germany lasted for more than 20 seconds with a slight sound.
Around the bearing quality, the following three aspects are summarized about the high quality of bearing germany:
One is raw materials.
The raw materials of bearing germany are made of GCr15n, which has better rigidity and willfulness, stronger bearing capacity and impact resistance. Compared with domestic bearing steel materials, the fatigue life is longer. This is why main engine manufacturers should buy more than Domestic bearings are several times higher than German imported bearings.
The second is technological innovation.
As an innovation leader of the European Union, Germany has made outstanding achievements in technological innovation and innovation-driven economic development. German companies generally implement strict technical standards, which has brought a good reputation for German bearing brands. German companies rely on strict quality standards and a complete supervision system to make "quality" the core competitiveness of "made in Germany". "Made in Germany" is also the best interpretation of precision and quality.
The third is the core advantage of German industry.
It's not just the innovation of materials and technology, the core is the people, the unique culture and spirit behind the Germans, the dedication, focus and rigor of doing things. And attitude, so that Germany's industry has today's achievements, long-lasting.
bearing germany technology is indeed very advanced, especially X-life, as a high-quality product of FAG and INA, provides new design opportunities for design engineers.
With the application of current advanced manufacturing technology, the entire contact surfaces of rolling elements and raceways become better and more consistent. Therefore, under the same load condition, the stress of the rolling element and the surface that cooperates with it will be significantly reduced. Therefore, under the same operating conditions, the working life of X-life bearings will be longer. On the other hand, under the same rated life conditions, it can withstand higher loads. With these optimized features, X-life bearings open up new application prospects, such as reducing the size of support bearings. Moreover, higher cost performance ultimately increases the overall economics of bearing germany support.
In 1883, Germany established the world's first bearing manufacturing group: the FAG Group.
The Schaeffler Group is a global leader in the production of rolling bearing germanyand linear motion products. It is also one of the most reputable suppliers in the automotive industry. The group has approximately 65,000 employees worldwide, more than 180 branches in more than 50 countries, and 2009 sales of approximately 7.3 billion euros. This makes the Schaeffler Group one of the largest family business groups in Germany and Europe. The Schaeffler Group has three major brands: INA, LuK and FAG, which provide high-quality bearing germany and components for the automotive, industrial and aerospace sectors.
Main application fields of FAG bearing germany: aerospace engineering, metal cutting machine tools, steel processing equipment, converters, casting equipment, rolling mills, mechanical transmission equipment, papermaking machinery, cement machinery, mills, mining machinery, construction machinery and vibration machinery, environmental protection equipment, wind Power generation equipment, ships, antennas and radars, textile machinery, packaging machinery, etc.
However, the quality of the bearing germany cannot be measured by the length of the rotation time. Because the length of the rotation time is the embodiment of the bearing's dynamic friction torque, which is only one of the bearing parameters. The main parameters of the bearing include dimensional accuracy, rotation accuracy, internal clearance, and mating surfaces, raceway surfaces, cages and Seals, etc.
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