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Mitsubishi HG Series HG-KR73G51-11

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HG-KR73G51-11

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The HG-KR73G51-11 by Mitsubishi is a small capacity servo motor recognized for low inertia characteristics, making it ideal for precision applications. It features a rated speed of 3000 RPM, with a maximum speed of 6000 RPM and an instantaneous allowable speed peaking at 6900 RPM.

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Technical specifications for HG-KR73G51-11

ManufacturerMitsubishi
Product TypeLow Inertia/Small Capacity Servo Motor
Product LineHG Series
Part NumberHG-KR73G51-11
Weight15.00 lbs (6.80 kg)
Speed3000 RPM (Rated); 6000 RPM (Maximum)
Instantaneous Allowable Speed6900 RPM
Torque2.4 N·m (Continuous); 8.4 N·m (Peak)
Power Output at Continuous Torque45.2 kW/s
Current4.8 A (Rated); 17 A (Peak)
Moment of Inertia1.26 × 10⁻⁴ kg·m²
Load to Inertia Ratio17 times or fewer
Speed/Position Sensor22-bit encoder, 4194304 pulses per revolution
Shaft Load CapacityRadial: 392 N; Thrust: 147 N
Electromagnetic BrakeNot present
Oil SealNot present
Gear ReducerFlange-mounted, precision output type
Shaft ConfigurationStandard (Straight)

With its designation as a low inertia and small capacity servo motor, the Mitsubishi HG-KR73G51-11 is engineered to excel in demanding applications requiring rapid responsiveness. This model achieves a rated speed of 3000 RPM and can operate at a maximum speed of 6000 RPM, showing its capability for high-speed processes. In exceptional conditions, it can reach an instantaneous speed of 6900 RPM, providing flexibility in performance.

The motor offers a continuous torque rating of 2.4 N·m, allowing for effective sustained operations. For peak demands, it can generate a maximum torque of 8.4 N·m, effectively addressing transient loads. Operating efficiently, it provides an output power of 45.2 kW/s, ensuring robust drive capabilities. The rated current consumption stands at 4.8 A, though it can handle peaks of 17 A when necessary.

The 22-bit encoder is integral to the HG-KR73G51-11, achieving an impressive resolution with 4194304 pulses per revolution, enhancing its speed and position feedback accuracy. The moment of inertia for the motor is noted at 1.26 × 10⁻⁴ kg·m², and it maintains a load to inertia ratio rated at 17 times or fewer, essential for maintaining control during operation.

In terms of shaft load capacity, it can manage radial loads up to 392 N and thrust loads up to 147 N, allowing it to effectively support various mechanical configurations. Additionally, while the motor does not include an electromagnetic brake or oil seal, it features a flange-mounted precision output gear reducer. The standard straight shaft configuration aids in straightforward integration with a variety of systems. With a weight of 3.8 kg, the HG-KR73G51-11 combines compact design with robust functionality, making it suitable for diverse applications that require precision and efficiency.