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Voice Coil Actuators

Motion Control Products Ltd supply a range of Round and Flat Voice Coil actuators which are, in effect, direct drive motors that can position at high speed and at high acceleration as well as very slow speed and acceleration depending on the application requirements. The Voice Coil motion is controlled by a Brushless Servo Controller or Intelligent Digital Servo Drive and can be fully programmable to carry out move profiles exactly as required. The main advantage being that the Voice Coil Actuator is directly coupled to the load, meaning that there is zero backlash. High accuracy and repeatability is achieved by the use of a linear encoder feedback device, which closes the positioning loop of the servo drive or controller.

AVM Series: Circular Voice Coil Actuators
AVM Series: Circular Voice Coil Actuators
The AVM series of voice coil actuators consist of a moving coil located within a magnetic field assembly. The motors have advantages of zero cogging, zero hysteresis, low moving mass and high force to mass ratio.
AVA Series: Flat Voice Coil Actuators
AVA Series: Flat Voice Coil Actuators
AVA voice coil actuators are rectangular flat voice coil actuators. The motors are similar to the AVM series of voice coil actuators, except that they have a lower profile in the Z direction. These are suitable for design in linear stage applications where space constraint is a consideration.