Suzhou Unite Precision Technology Co., Ltd.
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Rotary voice coil motors utilize rectangular linear actuators and bending technology to provide high resolution finite angle positioning systems. Typical travel angles exceed 100 degrees and torques reach 50 N-m. Rotary voice coil motors are commonly used as mirror position actuators in laser technology, rotary valve actuators, rotary positioning systems and flight control actuators.
The application of rotary voice coil motor in the fast reflector system, which is mainly used to realize the fast deflection and stabilization control of the beam, is widely used in the fields of laser communication, optical imaging, LIDAR, astronomical adaptive optics system and so on.
Laser communication: to realize laser beam alignment compensation and improve the stability of the communication link.
LIDAR: Control the laser scanning direction to improve the imaging accuracy and refresh rate.
Astronomical telescope: real-time jitter compensation of starlight images to improve imaging clarity.
Optical tracking system: fast response to target motion and high-bandwidth angular control.
Types of rotary voice coil motors: Pendulum voice coil motors, arc voice coil motors, pendulum actuators.
High-speed response: Capable of changing the reflection angle in milliseconds or even microseconds, suitable for high-speed dynamic beam control.
High precision: closed-loop control enables very small angular deflection and precise alignment.
Low friction and long life: no gear contact, reducing mechanical wear, suitable for high reliability scenarios.
Low noise: very quiet operation due to frictionless operation, suitable for vibration-sensitive systems.
Compact structure: Walking system miniaturization for easy integration into high-density optical systems.
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| Product Model | Peak torque (N-m) | Continuos torque at 25℃(N-m) | Total Stroke degrees ( mm) | Max Voltage (V) | Back EMF Constant (V/m/s) | Weight of the coil(g) | Length (mm) | Width (mm) | Height (mm) |
| VARS0008-026-00A | 0.08 | 0.05 | 26 | 6.4 | 0.05 | 11.7 | 35 | 39.8 | 36.1 |
| VARS0017-090-00A | 0.17 | 0.1 | 90 | 11.1 | 0.1 | 17.8 | 70 | 41.5 | 39 |
| VARS0022-032-00A | 0.22 | 0.12 | 32 | 15.5 | 0.16 | 21.5 | 60 | 60 | 36 |
| VARS0042-040-00A | 0.42 | 0.38 | 40 | 3.5 | 0.12 | 38 | 82 | 53.6 | 30.3 |
| VARS0077-020-00A | 0.77 | 0.63 | 20 | 6.7 | 0.24 | 66 | 75 | 50 | 30 |
| VARS0084-030-00A | 0.84 | 0.6 | 30 | 6.3 | 0.2 | 50.4 | 75 | 48.9 | 30.6 |
| VARS0120-020-00A | 1.2 | 0.5 | 20 | 8.4 | 0.67 | 65 | 81 | 73.4 | 32 |
| VARS0350-060-00A | 3.5 | 1.14 | 60 | 25.8 | 0.52 | 115 | 115 | 65 | 54.5 |
| VARS0706-014-00A | 7.1 | 2.1 | 14 | 52.4 | 1.03 | 225.5 | 115 | 65 | 54.5 |
| VARS4520-030-00A | 45.2 | 19 | 30 | 71.5 | 4.3 | 1350 | ￠240 | 78 |
Main applications of rotary voice coil motors:.
1. Semiconductor industry: wiring, cutting, drilling, transportation systems, welding, robotics.
2. Valve field operation: type metering valve, pressure test system, pneumatic valve chemical injection system.
3. Micromechanical industry: feeding systems, micro drilling, precision stamping.
4. Aviation technology: flight control systems, pilot feedback systems.
5. Automation industry: laser equipment, distributors, test equipment, textile machinery.