Integrated Ball Screw Linear Actuator is a precision electromechanical device that deeply integrates the ball screw transmission system, drive motor, guide mechanism, and control module. Through integrated design, it eliminates the installation clearance and transmission loss of traditional split components, providing an efficient solution for high-precision and compact linear motion scenarios.
Integrated Ball Screw Linear Actuator is a model of highly integrated modern automation technology. It is not simply a stacking of components, but a compact, sturdy, and fully functional independent linear motion module that organically integrates key components such as precision ball screw pairs, high rigidity guide mechanisms, high-performance servo/stepper motors, high-capacity bearing support seats, and protective housings through optimized design. The core design concept is "ready to use", which greatly simplifies the mechanical design, assembly, and debugging process, becoming a key component for improving equipment development efficiency and performance reliability.
The core transmission mechanism of Integrated Ball Screw Linear Actuator is based on an efficient ball screw pair. The rotational motion generated by the motor drives the screw to rotate, and through the medium of circulating ball bearings, the rotational force is efficiently and accurately converted into linear thrust of the nut and its connecting slider. Compared to traditional split design solutions that require users to assemble and align themselves, integrated design brings revolutionary advantages
Core structure and integrated design of Integrated Ball Screw Linear Actuator is the three highly integrated core modules:
Transmission drive integration: The servo motor (or stepper motor) is rigidly connected to the ball screw through hollow shaft direct connection technology (such as keyless interference fit), eliminating intermediate transmission components such as couplings. The motor rotor is directly used as the screw support end, shortening the transmission chain by 70% and avoiding the backlash and vibration problems of traditional connection methods.
Guide support integration: the linear guide rail and the lead screw are fixed through an aluminum or steel integrated base, and the slider and nut seat are rigidly connected with high-strength bolts to ensure that the parallelism error between the guide rail and the lead screw is less than 5 μ m during movement, without on-site centering and debugging.
Control Feedback Built in: Equipped with drivers, encoders (with a resolution of up to 24 bits), and temperature sensors, it supports direct communication via industrial buses such as EtherCAT and Modbus, forming a closed-loop system of "motor drive screw drive position feedback", eliminating the risk of external control wiring and signal interference.
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Here, we introduce Integrated Ball Screw Linear Actuator by Fully Sealed Screw drive linear Modules for Clean Environment from Tallman Robot,with following series TMS-CR.
Typical application scenarios of Integrated Ball Screw Linear Actuator:
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Precision machining and semiconductor equipment |
Lithography machine stage |
The integrated actuator drives the wafer stage with a positioning accuracy of ± 5nm, and with the feedback of the laser interferometer, achieves precise alignment of the exposure pattern of the 193nm wavelength light source, ensuring the yield of 7nm process chip manufacturing. |
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Five axis machining center |
As a Z-axis feed system, it is designed with high rigidity to withstand a cutting load of 20kN and supports high-speed precision machining of titanium alloy blades (surface roughness Ra ≤ 0.2 μ m). |
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Collaborative robots and automated production lines |
Robot arm linear joint |
The integrated actuator is embedded in the small arm of the collaborative robot, reducing the weight by 30% compared to the split solution (such as a 10kg load model with a self weight of only 2.5kg), and the combined force sensor achieves smooth control in human-machine integration scenarios (contact force resolution of 0.5N). |
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3C product placement machine |
The placement head is driven at a speed of 1.5m/s to complete chip placement with a precision of 0.02mm. The built-in vibration damper suppresses vibration during high-speed start stop (amplitude<10 μ m), improving the Mini LED substrate placement yield to 99.99%. |
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Medical equipment and aerospace |
Surgical robot end effector |
The integrated design meets the requirements of sterile environment (surface electrolytic polishing treatment), controls the displacement of surgical instruments with a precision of ± 0.1mm, and supports screw implantation angle error<0.5 ° in spinal surgery. |
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Satellite attitude control system |
In a vacuum (10 ⁻⁶ Pa) and -50 ℃ environment, stable operation is achieved through a lightweight titanium alloy structure and oil-free lubricated ball bearings (ceramic material) to achieve sub millimeter level pointing adjustment of satellite solar panels. |
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