Memory alloy spring drive customization

With the continuous development of science and technology, robotics technology is also constantly innovating and improving. Among them, the shape memory alloy (SMA) spring-driven robot arm, as a new driving method, has the advantages of simple structure, low cost, low noise, and environmental protection, and has become a research hotspot in the field of robotics. SMA is an alloy material with memory function, which can undergo phase changes at a certain temperature, thereby changing its shape. When the temperature decreases, the SMA retains its changed shape, while when the temperature rises, the SMA returns to its original shape. This feature makes SMA a wide range of application prospects in the field of robotics. In SMA-driven robot arms, SMA spring drives are usually installed. The device is generally equipped with five SMA springs and springs. All five SMA springs are connected to a control system. At room temperature, the springs are in a tensile state, while the five SMA springs are in a compressed state. When the control system heats the corresponding SMA spring, the stiffness coefficient of the SMA spring becomes larger as the temperature rises, and the SMA spring will return to its original shape , thus overcoming the force of the spring and realizing the control of the robot arm. Giving different heating temperatures to the five SMA springs can make the stiffness coefficients of the five SMA springs different, so that the elongation of each SMA spring is different, so that the SMA spring drive device is deflected and the processing of parts in a small range can be realized. At the same time, SMA spring drive device has a simple structure, low cost, low noise, and will not cause pollution to the environment, making it the best choice to replace hydraulic drive and motor drive. In conclusion, SMA-driven robot arms, as a new type of drive, have many advantages and potentials. It can not only improve the motion accuracy and efficiency of the robot, but also reduce the energy consumption and noise of the robot, and improve the adaptability and flexibility of the robot. Therefore, for the future development of robotics, the research and application of SMA-driven robot arms will be an important direction. CATALOG Precision Components (Suzhou) Co., Ltd. is committed to providing nickel-titanium solution providers, providing customized research and development, mass production and technology transfer of nickel-titanium alloy springs, various temperature control valves and temperature control actuators.

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