PMB31D-10214-03
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The PMB31D-10214-03 is a NEMA Size 34 servomotor with a continuous stall torque of 2.1 Nm and a peak torque of 6.2 Nm. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, it operates at a rated voltage of 240 V AC and 320 V DC. Additional features include a rated speed of 5,000 RPM and a digital encoder.
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Product Description:
Pacific Scientific is a manufacturer of motion control products and automation solutions. The company specializes in servo motors, stepper motors, drives and controls. Its products are designed to deliver precision, reliability and durability across commercial applications globally.
The PMB31D-10214-03 Brushless Servo Motor provides a continuous stall torque of 2.11 Nm. The motor weighs 2.5 kg and includes an integrated PTC thermistor for temperature monitoring. The PTC thermistor protects against overheating by monitoring internal temperatures during extended operations. It has an inertia rating of 0.137 × 10⁻³ kg·m² that ensures stable acceleration and control. The shaft type of the motor is round that is designed for efficient torque transfer in demanding operations. The motor supports a maximum static friction of 0.09 Nm for smooth motion handling. Its frame size conforms to the NEMA 34 standard that is suitable for standard industrial mounting. The servo motor features an 8 pole design for high torque density and optimized performance. The thermal resistance of the motor is rated at 1.08 °C/W that supports consistent motor cooling. The motor includes flying leads with AMP connectors that ensures secure and simple electrical integration. Its thermal time constant is 28 minutes. The motor’s construction ensures longevity and dependable operation in demanding environments. Its Iron Boron magnets improve power density without increasing size while the double shielded bearings reduce wear and contamination.
The PMB31D-10214-03 servo motor from Pacific Scientific delivers a peak torque of 6.26 Nm that allows efficient short term overload handling. The shaft seal provides additional protection against contaminants and the motor’s IP40 construction safeguards internal components from solid particle ingress. The voltage constant of 0.46 V/rad/sec enables controlled back EMF.
Frequently Asked Questions about PMB31D-10214-03:
Q: How does the PMB31D-10214-03 motor manage thermal behavior in prolonged duty cycles?
A: Its integrated PTC thermistor continuously monitors internal temperatures and triggers protection against overheating. This ensures safe thermal limits during long operation hours without compromising torque output.
Q: What design aspects of the PMB31D-10214-03 help minimize mechanical wear during high-cycle use?
A: The motor features double shielded bearings that reduce wear and guard against particle contamination. This improves lifecycle performance in dusty or vibration-prone environments.
Q: How does the 8-pole structure of PMB31D-10214-03 influence dynamic torque control?
A: Its 8-pole design enhances torque density and supports fine-tuned responsiveness. This benefits applications demanding fast acceleration and stable motion under varying load conditions.
Q: What makes the PMB31D-10214-03 effective for space-limited or retrofit installations?
A: It adheres to NEMA 34 frame standards and integrates flying leads with AMP connectors. This simplifies electrical hookup while fitting into existing mechanical layouts.
Q: How does the PMB31D-10214-03 maintain smooth motion despite varying load friction?
A: The motor’s low maximum static friction of 0.09 Nm helps avoid motion instability at startup. Combined with low inertia, it delivers controlled acceleration without overshoot.
