PMB31B-10214-02
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The Pacific Scientific PMB31B-10214-02 motor is part of the PMB Brushless Servomotors series and features a NEMA Size 34 frame. It delivers a continuous stall torque of 4.1 Nm, a peak torque of 18.7 Nm, and a rated speed of 2900 rpm. The motor weighs 19.6 kg and operates with a maximum speed of 4300 rpm.
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Product Description:
The Pacific Scientific produces the PMB31B-10214-02 Brushless Servo Motor. It is designed to work in applications of industrial automation systems. It provides a nominal stall torque of 4.1 Nm. A digital encoder with commutation and a 2048 pulses-per-revolution sensor is integrated into the motor.
The continuous rated torque of the PMB31B-10214-02 servo motor is the same as stall torque, which measures 4.1 Nm. The value of peak rated torque is also similar at 4.1 Nm. The motor reaches a no-load speed of 4300 revolutions per minute and operates at a rated speed of 2900 revolutions per minute for a reliable balance of speed and force. The motor delivers a peak torque of 6.2 Nm, enabling high dynamic load capability. The motor’s mechanical time constant of 5.3 ms enables rapid response to control signals. The motor weighs about 2.5 kg. It is ideal for applications with weight and space limitations. In normal stall scenarios, the motor consumes 2.66 A. The servo motor draws a peak current of 5.1 A at peak torque. With an IP40 enclosure, the PMB series guards against solid objects exceeding 1 mm in diameter. With a rotor moment of inertia of 0.14 × 10⁻³ kg·m², the motor ensures accurate acceleration and braking control.
The thermal resistance value of the PMB31B-10214-02 servo motor is measured at 1.08 °C/W. The servo motor offers excellent electrical efficiency with a voltage constant of 49.51 VRMS/kRPM. It has an inductance of 2.7 mH for smooth operation. It is recommended to pair this motor with the PC3403 drive system for optimal performance using either a 240V AC or 320V DC power source. This combination ensures compatibility and effective operation of the motor. Its 28-minute thermal time constant supports stable temperature control in operation.
Frequently Asked Questions about PMB31B-10214-02:
Q: How does the Pacific Scientific PMB31B-10214-02 Servo Motor manage quick acceleration cycles?
A: The Pacific Scientific PMB31B-10214-02 Servo Motor benefits from a low rotor inertia for rapid response. The 5.3 ms mechanical time constant supports immediate control input reaction.
Q: What drives pairing to optimize Pacific Scientific PMB31B-10214-02 Servo Motor performance?
A: The Pacific Scientific PMB31B-10214-02 Servo Motor achieves peak efficiency when paired with the PC3403 drive. The voltage range compatibility ensures reliable torque delivery and speed regulation.
Q: How does Pacific Scientific PMB31B-10214-02 Servo Motor handle high dynamic loads?
A: The Pacific Scientific PMB31B-10214-02 Servo Motor supports 6.2 Nm peak torque for short bursts. The winding design maintains stability without overheating during rapid torque transitions.
Q: What thermal considerations improve Pacific Scientific PMB31B-10214-02 Servo Motor service life?
A: The Pacific Scientific PMB31B-10214-02 Servo Motor benefits from a thermal resistance of 1.08 °C/W. The 28-minute time constant allows stable operation under continuous duty.
Q: How should the Pacific Scientific PMB31B-10214-02 Servo Motor be installed for best heat dissipation?
A: The Pacific Scientific PMB31B-10214-02 Servo Motor should be mounted with adequate ventilation clearance. The airflow path must remain unobstructed to prevent localized heat buildup.
