PMB31B-10100-02
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The PMB31B-10100-02 is a high-performance industrial brushless DC motor with a rated voltage of 100V and a rated output power of 300W. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, it features a flange mount design and IP54 protection. This motor offers a maximum torque of 2.5 Nm.
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Product Description:
The PMB31B-10100-02 Brushless Servomotor is designed by Pacific Scientific without carbon brushes, reduces wear and increases longevity and it also functions under closed loop control using feedback to maintain precise control of position, velocity and torque.
The PMB31B-10100-02 servomotor can sustain indefinitely 2.11 nm twisting force without movement which suggests it is capable of delivering a strong, steady holding force, ideal for precision applications that demand sustained power. This module uses a smooth, cylindrical shape with clamping couplings or custom fittings which makes it versatile but may require careful securing to prevent slippage during operation and it is designed to run at or below 240 volts AC current which ensures optimal performance and longevity. It is intended to run at 2900 rpm under normal working conditions which makes it suitable for tasks where rapid movement or high frequency cycling is required and it features unattached cable ends, terminated with AMP style connectors which allows for flexible integration into existing wiring schemes. It has an inertia of 0.137 × 10⁻³ kg·m² due to which it can accelerate and decelerate quickly and contributes to nimble responsiveness in start stop applications or where directional changes are frequent.
The PMB31B-10100-02 servomotor uses a resolver, an analog rotary position sensor, to determine the rotor’s position which makes it ideal for industrial grade feedback systems where precision and durability are key and it draws effective root mean square (RMS) current of 2.7 A when it is at a standstill under full load without overheating. This module has resistive force due to velocity-dependent friction is 0.0124 Nm/kRPM to show the level of internal drag that acts to slow down motion, which plays a role in the system’s dynamic stability.
Frequently Asked Questions about PMB31B-10100-02:
Q: How does the resolver improve feedback accuracy in the PMB31B-10100-02 servomotor?
A: The resolver provides analog rotor position feedback even in noisy environments. This ensures reliable control in harsh industrial conditions.
Q: Why is low rotor inertia important in the PMB31B-10100-02 model?
A: The low inertia allows the motor to respond rapidly to command changes. This is essential in high-speed or frequent start-stop applications.
Q: How does the viscous damping coefficient of 0.0124 Nm/kRPM help performance?
A: It adds controlled internal resistance that enhances system stability. This is useful in preventing overshoot in rapid motion profiles.
Q: What makes the NEMA 34 frame ideal for industrial retrofitting applications?
A: NEMA 34 provides standard dimensions compatible with many mounts. It eases replacement or upgrades in existing machine setups.
Q: Why is the PMB31B-10100-02 designed with a round shaft instead of keyed?
A: The round shaft allows flexible coupling options. It suits applications requiring custom fittings or precise axial alignment.
