As a type of motion bearing, rotary linear bearing play a role in controlling the accuracy of shaft movement and are widely used in various mechanical equipment. Currently, rotary linear bearing on the market are mainly made of alloy and steel materials. In the selection of various linear bearing materials, users should pay attention to what key points.
1: The stiffness of the structure
No matter what material is used to make rotary linear bearing, they themselves need to have a certain degree of stiffness. Due to the fast rotation speed of mechanical equipment, if the stiffness does not meet the requirements of use, it will lead to deformation and displacement during use, and there is no way to control the accuracy of linear motion.
2: The hardness of the material
Rotary linear bearing need to ensure their motion balance. If the material has low hardness, scratches and wear will occur on the side with high force, which is relatively unfavorable for linear bearings. In the selection of materials, the hardness should be chosen as high as possible.
3: Wear resistance performance
The fatigue that metal materials may experience during use means that the metal cannot fully exert its physical properties for a certain period of time. If rotary linear bearing materials have good metal wear resistance, it can effectively avoid the occurrence of metal fatigue.
4: Temperature resistance performance
As a material for the production of rotary linear bearing, it cannot be very sensitive to temperature changes and control. If it is sensitive to temperature changes, the physical properties of the metal will change, thereby affecting the accuracy of rotary linear bearing movement. This is very unfavorable for the rotation of mechanical equipment. Metal materials must have a certain degree of temperature resistance stability.
If you need rotary linear bearing or need any other bearings, please feel free to contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
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