PMB31B-00114-00
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The PMB31B-00114-00 is a brushless servomotor manufactured by Pacific Scientific. As part of the PMB Brushless Servomotors series, it features a NEMA Size 34 frame with a rated speed of 2,700 RPM. The motor provides a continuous stall torque of 2.1 Nm and comes equipped with a digital encoder with commutation.
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Product Description:
The PMB31B-00114-00 is a dynamic-performance motor designed to offer high-efficiency operation in servo applications. Its advanced cooling system and rigid rotor construction help to maintain stable rotations under varying loads. This ensures consistent motion control performance, even during demanding acceleration and deceleration cycles. The motor’s brushless construction is designed to withstand harsh industrial conditions while minimizing service requirements. It can effectively resist mechanical stress, vibration and wear, reducing the likelihood of component failure over time. By using high-quality materials and a sealed design, the motor operates reliably with minimal need for routine upkeep.
The PMB31B-00114-00 has a winding resistance of 19.6 ohms, which influences how the motor manages electrical energy and heat during operation. Higher winding resistance reduces the inrush current and limits heat buildup in the windings, supporting energy-efficient performance in steady-state conditions. This helps extend the motor’s lifespan by minimizing thermal stress and supports the use of smaller, more efficient drive electronics. This motor requires a nominal current of 2.7 amps to run effectively under typical load conditions. This rated current helps to maintain an optimal balance between power delivery and thermal stability, enabling the motor to continue operating for extended periods of time without experiencing overheating.
With its digital encoder that incorporates commutation signals, the PMB31B-00114-00 allows for smooth communication with the motor drive and accurate tracking of the rotor position. In order to precisely time current switching and produce torque smoothly, the controller uses the commutation signals to ascertain the precise alignment of the rotor's magnetic field. This feedback integration enhances startup performance and motion accuracy, resulting in synchronized, consistent operation. The motor comes with flying leads terminated with AMP connectors for reliable and secure wiring.
Frequently Asked Questions about PMB31B-00114-00:
Q: What is the rated speed of the PMB31B-00114-00?
A: The PMB31B-00114-00 has a rated speed of 2,700 RPM. This ensures stable and responsive motion control for continuous-duty applications.
Q: What is the stall torque of the PMB31B-00114-00?
A: The PMB31B-00114-00 delivers a stall torque of 2.1 Nm. This allows it to maintain holding power under static load conditions, making it ideal for precise positioning tasks.
Q: How much nominal current does the PMB31B-00114-00 require?
A: The PMB31B-00114-00 operates at a nominal current of 2.7 A. This supports reliable torque generation while maintaining thermal efficiency in long-duration tasks.
Q: What type of encoder is used in the PMB31B-00114-00?
A: The PMB31B-00114-00 includes a digital encoder with commutation. This provides real-time rotor position data and enables smooth, accurate motor control.
Q: What type of connectors are used with the PMB31B-00114-00?
A: The PMB31B-00114-00 uses flying leads with AMP connectors. These connectors offer secure, vibration-resistant connections and simplify installation.
