Miniature ball screws play the role of precision transmission core in the equipment, and its core role is reflected in six key dimensions:
1. Micron-level precision positioning
Through the ball rolling friction to convert rotary motion into linear motion, positioning accuracy up to ± 5μm, repeatable positioning error is less than ± 2μm, to meet the semiconductor chip mounting, medical micro-sampling and other nanometer precision needs.
2. High rigidity load bearing
The 12mm diameter micro-screw rod can carry 800N axial load, and with the preload design to eliminate backlash, it can stably support industrial robot end-effector, CNC machine tool feed axis and other heavy-duty components to avoid motion deformation.
3. High-efficiency power transmission
The rolling friction coefficient is only 0.001-0.005 (about 0.15 for sliding screw), the transmission efficiency is more than 90%, and the response time of the drive is reduced to 0.1 second, which helps the automation line to improve the production tempo by 30%.
4. Compact Space Adaptation
Minimum diameter of 4mm, length can be customized to within 100mm, modular design integrated guide rail and motor interface, suitable for medical endoscopes (diameter ≤ 5mm), UAV gimbals and other miniaturized equipment.
5. Long cycle stability and durability
The surface quenching hardness of screw shaft is HRC58-62, with stainless steel dustproof structure, the life span is over 20,000 hours in dusty (e.g. 3C electronic production line) and humid (e.g. food packaging) environments, and the accuracy retention rate reaches more than 95%.
6. Low noise and smooth operation
Running noise ≤ 50dB, better than the gear drive (65dB +), to meet the laboratory precision instruments (such as mass spectrometer sample stage), office automation equipment (high-speed scanner), the demand for quiet, motion impact reduced by 40%.
