PMB31D-00216-03
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The PMB31D-00216-03 servomotor features a NEMA Size 34 frame, a continuous stall torque of 5.1 Nm, a peak stall torque of 6.2 Nm, and an encoder resolution of 4096 ppr. Part of the PMB Brushless Servomotors series by Pacific Scientific, it operates at a rated speed of 5000 rpm with flying leads for versatile applications.
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Product Description:
Pacific Scientific manufactures the PMB31D-00216-03 Brushless Servomotor which is a high-performance motor engineered for applications that require precise control, reliability and exceptional durability. This motor provides a peak torque of 6.26 Nm that ensures powerful and consistent performance across a range of demanding operations.
The PMB31D-00216-03 Brushless Servomotor has a moment of inertia of 0.137 x 10^-3 kgm^2 which guarantees smooth operation and minimizes the impact of load changes during acceleration. It is designed for low resistance with the static friction of just 0.09 Nm for efficiency by reducing energy loss during operation. The thermal resistance of 1.08 oC/W allows the motor to maintain high performance even in elevated temperatures. Additionally, the viscous damping coefficient of 0.0124 Nm/kRPM further optimizes its response to dynamic loads which provides superior stability in fast-moving systems. The thermal time constant of 28 minutes is a key feature for effective heat dissipation and thermal management during extended operations. Weighing only 2.5 kg, this compact motor is ideal for space-constrained environments. With a torque constant of 0.41 Nm/A and a voltage constant of 0.49 V/rad/sec it offers exceptional control over speed and torque. The continuous static current is 5.1 A while the peak current at full torque reaches 15.3 A which makes it highly capable even under high-load conditions.
The PMB31D-00216-03 Brushless Servomotor has a line-to-line resistance of 2.0 ohms and a line-to-line inductance of 5.2 mH for stable and reliable operation. Capable of reaching speeds of up to 6000 rpm, the PMB Brushless Servomotor delivers a continuous operating torque of 1.90 Nm which makes it an ideal choice for demanding applications.
Frequently Asked Questions about PMB31D-00216-03:
Q: Why is a thermal time constant of 28 minutes important for the PMB31D-00216-03 servomotor?
A: The thermal time constant allows the motor to gradually absorb heat over longer durations, improving endurance in continuous operations and reducing thermal stress.
Q: How does the 0.09 Nm static friction enhance efficiency?
A: The low static friction minimizes startup resistance, reducing energy loss during motor initiation and improving responsiveness in automation systems.
Q: Why does the PMB31D-00216-03 servomotor have a viscous damping coefficient of 0.0124 Nm/kRPM?
A: The viscous damping coefficient helps stabilize the motor’s response during rapid speed changes, crucial for precision control in high-speed systems.
Q: How does the compact 2.5 kg design of PMB31D-00216-03 servomotor support space-limited applications?
A: The lightweight build allows integration in constrained mechanical setups without compromising torque output or structural integrity.
Q: What advantage does the motor’s 0.137 x 10^-3 kgm² moment of inertia offer?
A: The moment of inertia enables smoother transitions between speed states that confirms consistent motion even under varying load conditions.
