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How to solve the high speed and high precision of CNC machine tools

August 06, 2023
High speed and precision are the eternal goals of machine tool development. With the continuous increase of the spindle speed, the mechanical and electrical products have been updated faster, and the requirements for the precision and surface quality of parts processing are also increasing. The machine's rolling screw must have good Transmission performance, but also have the ability to instantaneous high-low speed conversion to meet the requirements of sensitivity, durability and reliability. In particular, foreign bearing companies such as SKF, FAG, and NSK have successively developed new-type angular contact thrust ball bearings for use in ball screw supports.

At present, there are still angular contact ball bearings with small contact angles or thrust ball bearings in combination as ball bearings. The machine tool has poor machining accuracy and low rigidity. At present, in China, only a very small number of high-precision ball screw bearings can be mass-produced, and the variety is limited, not a series. Although foreign high-precision ball screw ball bearings have excellent performance and reliable use, they are expensive and difficult to guarantee delivery. These have a direct impact on the development of CNC machine tools in China. The completion of Zhongyue high-precision ball screw bearings will greatly enhance the industrialization level of China's CNC machine tools, and will replace imported bearings, develop China's national industry, and enhance the competitiveness of China's mechanical and electrical products in the domestic and foreign markets.

High-precision ball screw ball bearing is a one-way angular contact bearing. Its nominal contact angle is 60°. This bearing can withstand large axial loads in a single direction, and it can also bear a certain radial load. Usually it needs to be grouped. use. LYZYC high-precision ball screw bearings use an inseparable structure. The cages are made of high-performance engineering plastics with many balls. The bearing has the characteristics of large axial load carrying capacity, good rigidity, high speed performance, small friction torque, flexible rotation, high performance and long service life.
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Author:

Ms. SU LAN RONG

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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Author:

Ms. SU LAN RONG

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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