PMB33F-00216-01
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The PMB33F-00216-01 servomotor features a NEMA Size 34 frame, a digital encoder with commutation, IP40 dust protection, and a nominal stall current of 11.0 ARMS at 240VAC. Part of the PMB Brushless Servomotors series by Pacific Scientific, it delivers a rated speed of 10,000 RPM and is constructed with Neodymium-Iron-Boron magnets.
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Product Description:
The Brushless Motor PMB33F-00216-01 by Pacific Scientific features an 8-pole construction to provide efficient torque output and stable operation. This servo motor provides a rated torque output of 4.04 Nm for a constant output when operating continuously.
This motor also has a maximum torque capacity of 16.1 Nm, allowing brief bursts of increased torque when needed for heavy loads. To allow for smooth and controlled movement, this brushless servo motor has a maximum static friction of 0.169 Nm. This servo motor's 11 Arms rated stall current dictates the continuous current needed to keep the rotor stationary under full rated load. This motor includes 2.8 mH line-to-line inductance to control current ripple and provide solid electrical performance. The PMB33F-00216-01 motor also delivers a voltage constant of 38.7 Vrms/kRPM, matching industry standards for accurate speed-torque control in dynamic load conditions. The 27.1 Arms peak torque current of this motor indicates the current drawn at peak torque, when it produces its highest torque. The 4096 PPR encoder resolution is one of the key features of this motor. This facilitates precise position sensing, which is essential in systems that need perfect synchronization and feedback.
The shaft of this motor is flat with a shaft seal to provide both mechanical durability and additional defense against external contaminants. In terms of connectivity, this servo motor has flying leads with MS connectors for easy electrical interface in industrial settings. As far as its build is concerned, the PMB33F-00216-01 motor adheres to an IP40 rating, offering protection from external objects. This motor itself weighs 6.3 kg (motor only) and finds a balance between solid performance and easy handling. Its thermal management is enabled through a thermal resistance of 0.78 °C/Watt, allowing for tempered heat dissipation and stable performance during constant duty cycles.
Frequently Asked Questions about PMB33F-00216-01:
Q: How does the 8-pole design improve the performance of the PMB33F-00216-01?
A: The 8-pole configuration ensures efficient torque generation while minimizing torque ripple. This results in smoother motion and higher reliability in demanding applications.
Q: Why is a flat shaft with a shaft seal used in the PMB33F-00216-01?
A: The flat shaft enhances mechanical coupling with driven equipment. The shaft seal prevents dust and contaminants from entering, increasing durability.
Q: How does a line-to-line inductance of 2.8 mH benefit the motor?
A: It helps regulate current ripple during operation. This leads to stable current control and improved drive efficiency.
Q: What advantage does the encoder resolution of 4096 PPR provide in motion systems?
A: High resolution ensures fine positional accuracy and repeatability. This is crucial for precise synchronization in automated processes.
Q: Why is IP40 protection classification important in the PMB33F-00216-01?
A: It shields the motor from larger foreign objects while keeping weight manageable. This makes it suitable for controlled environments like robotics and CNC setups.
