It is not difficult to see from the decades of development history of CNC turntable in China that bearing, as the core component of CNC turntable, plays a decisive role in the performance of CNC turntable. Do you think so? Let's take static bearing as an example to introduce it in detail.

Static bearing is a kind of sliding bearing that relies on the external supply of pressure oil to establish a hydrostatic bearing oil film in the bearing to achieve liquid lubrication. Liquid static bearing always works under liquid lubrication from start to stop, with small wear and long service life. In addition, this support has the advantages of high rotation accuracy and large bearing capacity; But it needs special oil supply system, with complex structure and high maintenance cost. Cylindrical roller bearings have good radial bearing capacity, and the rotary accuracy can also be well guaranteed.

At present, some bearings with higher accuracy and larger specifications are still heavily dependent on imports. From the perspective of improving the grade of the NC turntable, in order to select a suitable support type, it is necessary to comprehensively consider various working conditions, such as operating speed, lubrication, load, accuracy and other requirements. Only the support type selected on this basis can give play to the good performance of the bearing.