PMB33C-00201-00
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The PMB33C-00201-00 brushless servomotor operates at a rated voltage of 12V DC, features a rated current of 0.48A, and achieves a rated speed of 5100 RPM. Part of the PMB Brushless Servomotors range by Pacific Scientific, it includes ball bearings for durability and operates within a temperature range of -10°C to +70°C.
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Product Description:
The PMB33C-00201-00 Brushless Servo Motor is a product of Pacific Scientific with a speed rating of 1300 RPM to provide optimal rotational output in applications requiring precise motion. This motor’s capabilities are maximized by a torque constant of 1.86 Nm/Arms, which provides steady torque output with stable current input to provide a smooth mechanical response.
This motor’s 32-minute temperature time constant reflects its capacity to respond to slow-changing temperatures under continuous use, minimizing thermal fatigue and maximizing operating life. The PMB33C-00201-00 includes flying leads and MS connectors to provide safe, shock-resistant connections for industrial wiring configurations, and ease integration with legacy control systems. This servo motor boasts a continuous stall torque of 5.42 Nm to sustain holding torque without displacement when under load, and it is best suited for applications needing constant positioning. The nominal stall current of this servo motor is rated at 3.8 Arms, which provides matching efficiency to the torque constant to avoid thermal overload. Furthermore, this motor’s resistance (line-to-line) is set at 8.6 Ohms to provide a stable power supply and protect against surges in current under operation. Internally, this motor is constructed with eight magnetic poles, which provides for higher torque density and enable a smoother and controlled rotation.
The inertia of 0.404 kgm² × 10⁻³ facilitates rapid acceleration and deceleration by this motor, ideal for applications that require rapid dynamic response with minimum overshoot. A viscous damping coefficient of 0.038 Nm/kRPM is incorporated within the design of this motor to eliminate mechanical oscillations and ensure controlled movement during speed changes. This motor’s maximum static friction is 0.169 Nm, providing smooth initial movement free of internal resistance and enabling repeatable start-stop operations, essential in automation systems. The PMB33C-00201-00 motor has a Hall Sensor feedback that supplies digital position information, which is vital for its commutation and precise control.
Frequently Asked Questions about PMB33C-00201-00:
Q: How does the Hall Sensor improve motor control in PMB33C-00201-00?
A: The Hall Sensor provides rotor position feedback, enabling accurate commutation. This results in smoother and more responsive motor performance under varying loads.
Q: Why is an 8-pole design beneficial in servo motors like PMB33C-00201-00?
A: The 8-pole configuration enhances torque production and reduces torque ripple. It contributes to higher accuracy in positioning tasks and improved motor efficiency.
Q: What advantage does a 32-minute thermal time constant offer?
A: It allows slower heat buildup during continuous operation. This helps protect internal components from thermal damage and supports longer duty cycles.
Q: How do MS connectors on the PMB33C-00201-00 improve reliability?
A: MS connectors provide secure, vibration-resistant electrical connections. They are ideal for harsh environments requiring dependable signal integrity.
Q: What role does the 0.169 Nm static friction play in this motor?
A: It ensures consistent startup torque without unnecessary delays. This is crucial in applications requiring immediate response from a standstill.
