PMB33E-20116-01
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The PMB33E-20116-01 is a NEMA Size 34 brushless servomotor with a flying leads connector and AMP connectors. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, it delivers a rated speed of 3800 rpm and a continuous stall torque of 5.4 Nm. This motor features IP40 protection.
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Product Description:
Pacific Scientific PMB33E-20116-01 is a high-performance brushless servomotor of the PMB series designed to perform demanding automation and motion applications.
The motor, manufactured using NEMA Size 34, has better torque and speed capabilities, and flying leads include AMP connector ends to provide good electrical connections, which are easier to install and maintain on an industrial basis. In its most fundamental form, this model combines a digital encoder with commutation with a resolution of 4096 pulses per revolution. The resulting high feedback accuracy enables smooth operation, precise positioning, and constant speed regulation of a closed-loop servo system. The motor has a stack length that is 3 times higher than shorter-stack motors and provides higher torque density. With a standard torque of 4.6 Nm and a sustained stalling torque of 5.4 Nm, the PMB33E-20116-01 is ideally suited for moderate to heavy-duty tasks. The motor has a nominal stall current of 7.4 ARMS at 240 VAC, and this maintains constant performance.
It has a peak torque of nearly 17.5 ARMS and is, therefore, convenient for loading with high torque requirements and a high efficiency approach to power supply. With an output speed of 3800 rpm, it provides excellent performance and torque delivery. An electrical aspect emphasizes its effectiveness and reactivity. Constant current flows through the motor thanks to its 6.8 mH line-to-line inductance and 2.2 ohm line-to-line resistance. Torque constant is rated 0.93 Nm/ARMS, and the voltage constant is 0.56 VRMS/rad/s, which helps to achieve accurate and predictable operation. Rotor inertia is estimated as 0.40 × 10⁻³ kg·m², which is a good compromise between agility and stability, particularly when working through high acceleration or deceleration cycles.
Frequently Asked Questions about PMB33E-20116-01:
Q: What is the encoder resolution of the PMB33E-20116-01?
A: This servomotor is equipped with a digital encoder that provides a resolution of 4096 pulses per revolution, ensuring high feedback accuracy and precise control.
Q: What is the continuous stall torque of the PMB33E-20116-01?
A: The PMB33E-20116-01 offers a continuous stall torque of 5.4 Nm, making it ideal for medium-to-heavy duty applications requiring reliable and stable torque.
Q: What is the peak torque capacity of the PMB33E-20116-01?
A: The motor is capable of handling peak torque requirements of about 17.5 ARMS, ensuring excellent performance under load surges.
Q: What is the rotor inertia of the PMB33E-20116-01?
A: The rotor inertia is estimated at 0.40 × 10⁻³ kg·m², providing a good balance between agility and stability, especially during high acceleration and deceleration cycles.
Q: What is the rated speed of the PMB33E-20116-01?
A: The motor has a rated speed of 3800 rpm, delivering high performance while maintaining good torque delivery for demanding tasks.
