P80B18120HCM21 Sanyo Denki
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The Sanyo Denki P80B18120HCM21 is a brushless motor from the P8 Super BL Servo Motors series with a rated output of 1.2 kW and a rated speed of 2,000 min-1. It features a flange size of 180 mm, an IP67 protection rating, and a brake holding torque of 9.0 N·m with a brake voltage of 24V. The motor is equipped with a feedback resolution of 8,192 P/R and has a rated torque of 5.6 N·m.
Internal Product Review
The P80B18120HCM21 is a Sanyo Denki servo motor with 1.2 kW rated output and IP67 protection. Rated torque of 5.6 N·m and 8,192 P/R feedback resolution support precise, stable motion control. A 24V holding brake with 9.0 N·m brake holding torque is a strong advantage for secure positioning.
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Product Description:
The P80B18120HCM21 is a brushless AC servo motor manufactured by Sanyo Denki as part of the P8 Super BL Servo Motors series. In industrial automation, it serves as the prime mover for precision rotary axes, providing closed-loop speed and torque control when coupled with a matching drive. The motor’s sealed construction and integrated holding brake make it suitable for pick-and-place gantries, indexing tables, and other applications that demand fast response and secure position retention between moves.
Under continuous load, the motor delivers a rated mechanical output of 1.2 kW. This power is achieved at a rated shaft speed of 2,000 rpm, where the motor can sustain a continuous torque of 5.6 N·m. To produce this torque, the windings draw a balanced RMS phase current of 10.4 A. The enclosure has an IP67 rating, protecting the stator against dust ingress and temporary water immersion. The motor has an electrical time constant of 18 ms, a mechanical time constant of 1.5 ms, and a torque constant of 0.73 N·m/A. Its rotor inertia is 12.1 × 10⁻⁴ kg·m², supporting quick acceleration while maintaining speed stability during controlled motion.
The integral holding brake draws 0.86 A when electrically released and provides a static holding torque of 9.0 N·m when power is removed. Control electronics supply the brake with 24 V, providing predictable clamping during emergency stops or power loss. For short operating periods, the shaft can reach a maximum speed of 3,000 rpm, accommodating cycle demands above the continuous speed rating. High-resolution commutation feedback is supplied by a 20-bit encoder that delivers 8,192 pulses per revolution, improving positional repeatability during fine motion adjustments. A flange dimension of 180 mm supports alignment with compatible gearheads and machine mounting surfaces. The phase resistance is 0.22 Ω, which helps limit resistive heating during prolonged current flow.
