显示标签为“taper roller bearings”的博文。显示所有博文
显示标签为“taper roller bearings”的博文。显示所有博文

2014年8月25日星期一

the load acting on the surface due to the size of the wheel hub bearing different characteristic change occurs

Increasing the rotation radius of curvature of the surface of the groove, the rolling bearing can reduce the frictional resistance. However, if the radius of curvature increases, the contact surface pressure between the ball and the plane of rotation between the bearing load will increase. In particular, the rotation, the durability of the bearings will taper roller bearings decrease, thus increasing the radius of curvature of the simple approach has been difficult to achieve. DNT Andes contact position with the ball and rotating the load acting on the surface due to the size of the Slewing bearing different characteristic change occurs, developed the new bearings. Compared with the original, in the contact position of the straight running is increased when the radius of curvature of the trench, and the radius of curvature of the contact position during rotation remains the Slewing bearing same as the original. By this method, when the straight traveling wheel rolling bearing to reduce frictional resistance, it is also to ensure that the same level of durability as the original. It also reduces the product than the original preload range, further reducing the frictional resistance.
       Previously, the company accounted for by reducing wheel bearing friction half of the seal sliding resistance, developed about 15% lower friction wheel bearing seal, and by virtue of the product development market. The development of the use of technology that allows the wheel hub bearing rolling resistance reduced by about 25%. Coupled with a low friction bearing seal design allows maximum reduction of friction when traveling straight 40%. Development of large wind power bearing ranks among the world's most advanced

2014年7月2日星期三

Slewing bearing Many factors, improper installation methods

The most fundamental principle of bearing maintenance that must be maintained before installation and installation of bearings clean. Many factors, improper installation methods, dirty hands or tools, such as contaminated lubricants will damage the bearings. Regardless of the quality of the bearings or seals, these factors may cause bearing damage quickly. Bearings must be kept at all times clean and keep the bearings clean clutch bearings beforehand than afterwards clean bearing much simpler. Many bearings are not separate, more difficult to clean the bearings work. With tolerances and tolerances can be found, and the gap with other information. Installation of a variety of seal oil seal installation method, each vendor told a different story, even seal nearly identical. But the best way to do it according to taper roller bearings the manufacturer's instructions. If you can not get the installation method, we have the following principle to give you some tips. Cold or hot loaded bearing outer ring is mounted if an interference fit, usually installed in the cold method, if the bearing inner ring is an interference fit, as the case feasible cold loading or thermal loading. Small bearings without heating, the use of hydraulic or sleeve plus hammer to install. There are many ways large bearings, grease type, hydraulic or heating and so on.

2014年5月13日星期二

ZYS ball bearing the school offers professional bearing more than 60 graduates per year only

technical personnel bearing enterprises nationwide phenomenon prevalent in the age structure of the fault . Many companies bearing fault phenomenon of professional and technical personnel is the primary cause of the fault appears on personnel training colleges , as a professional this time bearing the original seven or eight engineering colleges to develop the so-called " wide caliber professional" in the name of being Bearing manufacturer cut into general mechanical engineering and become attached to a mechanical engineering course projects ( specialized ) , a sharp decrease in the number of bearing graduate.
Bearing Henan University of Science and Technology now has become the only country " only son " , so far the school has a national bearing industry has trained nearly 2,000 undergraduate taper roller bearings and graduate students . The vast majority of these students have become the backbone of the bearing industry technology , Henan University of Science and Technology has been hailed as " China 's bearing industry Whampoa Military Academy" insiders . However, the school offers professional bearing more than 60 graduates per year only , can not meet the needs of the country thousands of bearing plant.
Strengthen research and education bearing imminent