Screw support is a kind of part used to support ball screws which are usually used in high-precision mechanical equipment such as machine tools, CNC machine tools and automated production lines. It is mainly composed of a base, a supporting seat, a pre-tightening spring, a ball screw, etc. It can effectively support the ball screw to ensure its smooth movement and high precision. Screw support has the advantages of simple structure, convenient installation and long service life, and is widely used in various mechanical equipment.
In actual use, some factories can use the same screw support for 8 years, while others can only use it for 2 months. Why is the service life gap of the same screw support so big?
1. When the fixed end of the screw support seat is replaced by a deep groove ball bearing, the screw will generate axial force and radial force on the fixed end during operation, but the deep groove ball bearing can only bear the radial force, but not the axial force brought by the screw, so the service life of the fixed seat using the deep groove ball bearing will be greatly affected.
2. The use environment of the screw support seat is different, and its service life is different, especially in complicated, high temperature, water and other media, and its service life will be shorter than under normal conditions.
3, improper installation, direct application of radial load and torque load to the ball screw during installation, then the service life of the screw will not only be reduced, but also can not run smoothly, thus affecting the service life of the whole equipment.
To sum up, we must polish our eyes when purchasing the screw support, understand our own use environment, and choose the corresponding screw support. Of course, we must also install it according to the installation instructions when installing, so that the screw support can reach the expected service life.
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