Essential explosion-proof design! Voice coil motor (VCM) using permanent magnets.
It is an electromagnetic actuator with high responsiveness and bidirectional operation, capable of also functioning as an intrinsically safe explosion-proof structure.
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】 ■ Can also be used as an electromagnetic actuator with an intrinsic explosion-proof structure ■ 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" characteristics, 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.
basic information
【Characteristics】 ■ The "Thrust: Current" characteristic has a good precision 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 electromagnetic actuator with an intrinsic explosion-proof structure, allowing for thrust generation even with small currents due to the large energy inherent in the permanent magnet. ■ 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 subject the lead wires to repeated stress.
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Applications/Examples of results
■Tension Control ■Wave Generator ■Vibration Isolation Table ■Push Button Life Test Machine ■Vibration Exciter ■Vibrational 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 drive use. (Example) Die Bonder, Wire Bonder, Chip Mounter ■Other customer ideas will expand the scope of VCM's applications.
