PMB31D-20100-03
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The PMB31D-20100-03 DC brushless motor delivers a rated voltage of 24 VDC, a rated speed of 10,000 RPM, a rated power output of 100 W, and weighs 1.2 kg. Belonging to the PMB Brushless Servomotors series by Pacific Scientific, it features IP54 protection, a robust aluminum alloy housing, and operates efficiently in varying temperatures.
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Product Description:
The PMB31D-20100-03 PMB Servomotor is developed by Pacific Scientific for industrial applications that requires stable control. The motor provides dependable duty performance across continuous cycles. The design maintains efficiency under electrical and mechanical load. The construction supports accuracy in industrial systems that demands stable motion regulation.
The PMB31D-20100-03 PMB servomotor is classified as a brushless servomotor. The motor type enables accurate torque generation with reduced maintenance compared to brushed designs. The frame size is NEMA Size 34. This frame size supports standardized mounting dimensions for conformity with industrial assemblies. The viscous damping coefficient equals 0.110 lb.-in./Krpm which influences dynamic stability by counteracting oscillations during high-speed operation. The stack length is identified as a stack length multiple. The length variation provides scalability of torque capacity depending on application requirements. The nominal stall current is 5.4 A. The shaft is configured with a square key which ensures secure torque transfer to couplings and minimizes risk of slippage. The inductance, measured line-to-line, is 5.2 mH. The inductance rating defines the electrical time constant and influences drive response behavior. The typical rated speed at 240 V AC and 320 V DC bus is 6000 RPM which supports continuous operating capacity in high-speed automation tasks.
The PMB31D-20100-03 servomotor provides a typical rated torque of 1.62 Nm at 240 V AC and 320 V DC. The torque value supports stable force output for continuous shaft rotation under defined supply voltage. The mechanical structure maintains consistent shaft alignment under load. The electrical and thermal design of the servomotor ensures stable behavior in extended duty cycles. The integration of these characteristics supports stable operation in demanding industrial environments.
Frequently Asked Questions about PMB31D-20100-03:
Q: Why is the PMB31D-20100-03 suited to long production runs?
A: The servomotor is designed for continuous-duty operation, supporting steady performance in applications requiring extended cycle times without sacrificing positioning consistency.
Q: How does the servomotor handle commissioning for accuracy?
A: Closed-loop servo feedback enables precise tuning of position and velocity loops, allowing the servomotor to achieve stable tracking during initial setup and production ramp-up.
Q: How does the PMB31D-20100-03 integrate with existing motion hardware?
A: PMB series classification on the servomotor aligns interfaces with compatible drives and controllers, simplifying replacement, wiring, and control parameter migration.
Q: What happens if feedback is interrupted on the servomotor?
A: Loss of closed-loop servo feedback on the servomotor is detected quickly, prompting controlled deceleration or hold strategies defined by drive settings and safety requirements.
Q: Which maintenance characteristics benefit the PMB31D-20100-03 in harsh use?
A: Brushless construction on the servomotor minimizes wear sources associated with commutation, reducing routine service and helping preserve accuracy over continuous-duty operation.
