For some quit high level and special requirements, motor have to find the balance of the efficiency, power output, temperature, noise and vibration. it's really a big challange. Fortunately Vishan ECH series fulfill such applications very well, benefit from the cylindrical coil design, there is almost no cogging torque with extreme fast response.
Characteristics:
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High power and efficiency at high speeds
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Designs can reach mechanical powers such as 50W continuously at 50,000 rpm
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Damping system resulting in silent /low noise - vibration
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Downsize design but big power output
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Extreme torque at low speed
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High torque density
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Lower speed drop under load