Sound coil motor of Tongmao Linear Motor Products Series
time£º2017/3/11 click£º6435
The Voice Coil Actuator, which is independently developed and produced by Tongmao Linear Motor, is a special form of direct-drive motor named after its structure similar to that of the horn. With high frequency response and high precision, it is suitable for short-stroke closed-loop servo application.
The sound coil motor has simple structure, small size, high speed, high acceleration, and fast response. Due to its small volume and weight, it can achieve high acceleration, and can be used for high-speed oscillating reciprocating motion(up to Jishihezi). The working principle is, In a magnetic field, a pass coil(conductor) produces force in proportion to the current applied to the coil. Based on this principle, ring motor motion can be straight, linear or arc.
In recent years, with the rapid development of the technology of high speed and high-precision positioning systems and the rapid development of sound coil Motors, sound coil motors have not only been widely used in precision positioning systems such as disk and laser record positioning[ 1] The positioning accuracy depends on the feedback and control system, and has nothing to do with the loop motor itself. The positioning accuracy of the suitable positioning feedback and sensing device can easily reach 10NM.
At present, there are few companies that manufacture audio coil motor systems in domestic energy programs, and a large number of motors sold on behalf of foreign brands. Since digital servo manipulators and high-precision displacement sensors still need to be imported, the cost and price of audio coil motor systems are still high. Kunshan Tongmao Electronics Co. Ltd. introduced to fill the gap in the domestic manufacturing of the sound loop motor system program, and prepared for the large-scale promotion of automation equipment, medical equipment and precision instruments in such motor systems in the future.
Linear motor