PMB33C-00216-01
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The Pacific Scientific PMB33C-00216-01, part of the PMB Brushless Servomotors series, is designed with NEMA Size 34 dimensions and flying leads with MS connectors. This motor offers a peak torque of 15.9 N·m and operates at speeds up to 1900 rpm. Weighing 27.2 kg, it delivers continuous power of 2.9 kW and features a digital encoder with commutation.
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Product Description:
The PMB33C-00216-01 Servomotor features factory installed shaft seal to guard against dust and moisture and equips a high resolution 4096 ppr digital encoder. Pacific Scientific manufactures this servomotor that has a triple stack magnetic core for enhanced torque and a steady operating speed of 1300 RPM under rated load.
The PMB33C-00216-01 servomotor windings have inductance of 27.2 mH and it is able to provide 4.84 newton meters of torque during continuous duty without overheating. It will consume 8.7 amperes of root mean square current from the supply when producing maximum possible torque. It comes in 6.3 kilograms of total mass due to which it is easy to install, handle and interact with other components. It is designed to handle alternating current voltage up to 240 volts and its C type winding marks specific coil pattern and configuration chosen by the manufacturer. Its wiring is brought out as flexible cable ends that terminate in military standard connectors rather than fixed terminals. To overcome the internal resistance to internal resistance to initial movement when at rest it requires 0.169 Nm torque. It comes with a mounting face that is roughly 3.4 inches and the steady current that will flow through the windings at rest position is measured at 3.8 amperes.
This PMB33C-00216-01 servomotor output shaft includes a machined flat section that allows secure mechanical coupling with a matching clamp. Its internal temperature will rise 0.78 degrees per watt of heat generated which is essential for better heat dissipation. It generates 1.11 volts rms back into the windings for every radian per second of rotational speed. For short bursts before thermal or mechanical limits are reached it can deliver 16.1 newton meters of maximum torque.
Frequently Asked Questions about PMB33C-00216-01:
Q: How does the triple-stack magnetic core in the PMB33C-00216-01 servomotor affect performance?
A: It increases the active magnetic length, boosting torque output without increasing frame size. This allows more power density in compact installations.
Q: What role does a digital encoder with commutation play in motion control?
A: It provides precise rotor position feedback for both control and switching of motor phases. This improves accuracy and reduces jitter in servo applications.
Q: How does the PMB33C-00216-01’s shaft seal contribute to operational reliability?
A: It prevents dust, moisture, and debris from entering the housing. This reduces the risk of bearing wear and electrical faults in harsh environments.
Q: What impact does inductance have on servo responsiveness?
A: Higher inductance smooths current changes but can limit rapid acceleration. It’s a trade-off between stability and high-speed dynamic performance.
Q: How does back EMF voltage constant influence drive selection?
A: A higher constant means more voltage is generated per unit speed, requiring compatible drive electronics. This ensures efficient energy conversion and control.
