PMB32D-00114-01
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The PMB32D-00114-01 is a NEMA Size 34 brushless servomotor with a continuous stall torque of 3.8 Nm. Manufactured by Pacific Scientific and part of the PMB Brushless Servomotors series, it features 2048 ppr encoder resolution. This motor offers 11.3 Nm peak torque and supports feedback options like resolvers and hall sensors.
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Product Description:
The Pacific Scientific PMB32D-00114-01 Brushless Servo Motor includes a viscous damping coefficient of 0.026 Nm/kRPM that minimizes vibration and maintaining steady speed control.
This PMB32D-00114-01 servo motor provides a continuous stall torque of 3.84 Nm and a peak torque of 11.40 Nm that ensures powerful performance under varying load conditions. The rated torque at a 240 V AC, 320 V DC bus is 2.85 Nm for stable and smooth operations. It operates at a typical rated speed of 3500 RPM that is suitable for fast response applications. The torque constant of the servo motor is 0.74 Nm/A and the voltage constant is 0.46 V/rad/sec that ensures efficient torque-to-current conversion. The motor features a line-to-line resistance of 2.3 Ohms and an inductance of 7.4 mH for consistent power delivery. A digital encoder with 2048 ppr provides accurate position feedback and smooth commutation. It has a thermal time constant of 30 minutes that reflects the duration required for the motor to reach approximately 63.2 % of its final temperature rise under thermal loading. This extended time constant helps ensure thermal stability during prolonged operation or under continuous duty cycles. The servo motor integrates flying leads with AMP connectors for secure connectivity while a flat shaft design enhances mechanical compatibility. The motor is compact and widely adaptable across industrial systems with a NEMA 34 frame size.
The PMB32D-00114-01 servo motor delivers reliable thermal performance through carefully engineered specifications. It features a thermal resistance of 0.92 °C/W which indicates the motor's ability to dissipate heat from its windings to the ambient environment. The rotor inertia is rated at 0.27 ×10⁻³ kg·m² and the maximum static friction torque reaches 0.12 Nm. This enables smooth starts and stops.
Frequently Asked Questions about PMB32D-00114-01:
Q: How does the PMB32D-00114-01 servo motor maintain speed consistency under dynamic load changes?
A: It features a viscous damping coefficient of 0.026 Nm/kRPM that reduces overshoot and stabilizes motion. This allows steady rotational behavior in precision motion systems.
Q: What torque characteristics of the PMB32D-00114-01 support responsiveness in high-cycle positioning tasks?
A: The motor combines a high peak torque with low static friction torque. This enables fast acceleration and deceleration with smooth starts in rapid-cycle applications.
Q: How does the PMB32D-00114-01 servo motor ensure thermal reliability during extended duty cycles?
A: It integrates a 0.92 °C/W thermal resistance and a 30-minute thermal time constant. These features support stable thermal behavior even under long-duration mechanical loads.
Q: What feedback mechanism in the PMB32D-00114-01 improves precision during synchronized multi-axis control?
A: A digital encoder with 2048 ppr provides high-resolution feedback. It enables accurate commutation and precise control in coordinated automation tasks.
Q: How do the electrical properties of the PMB32D-00114-01 affect current and voltage regulation during operation?
A: Its 2.3 Ω resistance and 7.4 mH inductance stabilize current delivery across varying loads. This improves performance consistency and minimizes electrical ripple in sensitive control systems.
