Electromagnetic actuator with high responsiveness and bidirectional operation.
The voice coil motor (VCM) is an electromagnetic actuator that achieves high responsiveness and bidirectional operation. Therefore, by combining it with a driver circuit, it enables various movements that are not possible with conventional solenoids. 【Features】 ■ Generates force by utilizing the interaction between the magnetic field produced by a permanent magnet and the current flowing through the coil. ■ Linear bidirectional operation. ■ The movable part is the coil, allowing for weight reduction and thus high responsiveness. ■ Due to the good linearity of the "thrust: current" characteristic, it can be used in open control when combined with a return spring mechanism. ■ By performing closed control in combination with sensor circuits and drivers, precise movements can be achieved.
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basic information
【Characteristics】 ■ The "Thrust: Current" characteristic has a precise proportional relationship. ■ The "Thrust: Stroke" characteristic is constant. ■ The inductance is low. 【Other Applications】 ■ Shortening both lead wires of the coil can achieve a damping effect. ■ It is also possible to generate electricity. ■ Can be used as an intrinsically explosion-proof electromagnetic actuator, as it possesses a large inherent energy from the permanent magnet, allowing thrust generation even with small currents. ■ Not only used as an actuator but also has applications as a sensor. ■ We also offer a MM (Moving Magnet) type VCM that does not experience repeated stress on the lead wires.
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Applications/Examples of results
■ Tension Control ■ Wave Generator ■ Vibration Isolation Table ■ Push Button Life Test Machine ■ Vibration Exciter ■ Vibration Stimulation to Biological Sensory Devices ■ Semiconductor Equipment Manufacturing: When securing and holding semiconductor components, it can be handled gently, quickly, and reliably to avoid damaging the workpiece for head driving purposes. (Example) Die Bonder, Wire Bonder, Chip Mounter ■ Other customer ideas will expand the scope of VCM's applications.
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Esclafte Co., Ltd. is a company where experienced expert engineers shape our customers' requests and contribute to the progress and development of society through the supply of excellent products.
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