●●● Affects wear resistance. The rougher the surface, the smaller the effective contact area between mating surfaces, the greater the pressure, the greater the friction resistance, and the faster the wear.●●● Affec···

Generally, the function of chamfering is to remove burrs and make them beautiful. However, the chamfers specifically pointed out in the drawings are generally requirements for the installation process, such as the instal···

ZARN Needle roller/thrust cylindrical roller bearings use a combination of needleroller bearings with thickened outer rings and two rows of thrust cylindricalroller bearings, which can withstand greater radialaxial loads···

According to the Municipal Party Committee and Municipal Government's "Opinions on Implementing the "Heluo Craftsmen" Plan to Accelerate the Construction of Highly Skilled Talents" (Luofa [2016] N···

Today is December 22, the tenth day of the eleventh month of the lunar calendar: the winter solstice. The winter solstice is one of the four seasons and eight festivals, and is regarded as a major festival in winter. In ···