PMB33C-00100-00
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The PMB33C-00100-00 servomotor features a shaft diameter of 33 mm, a dynamic load rating of 27.2 kN, a static load rating of 54.1 kN, and a right-hand thread direction. Part of the PMB Brushless Servomotors series by Pacific Scientific, it is built with hardened alloy steel and operates within a temperature range of -10°C to +80°C.
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Product Description:
The PMB33C-00100-00 Servo motor is part of the brushless servomotor series designed by Pacific Scientific. It is equipped with resolver feedback for accurate rotor position sensing. The continuous stall torque of the motor is 5.42 Nm. The maximum torque output under peak conditions is 16.1 newton meters. Its torque constant is rated at 1.86 Nm/A.
The voltage constant of the PMB33C-00100-00 Servo motor is measured at 1.11 volts/radian per second. The continuous stall current requirement is 2.9 A RMS. The peak current demand is 8.7 A RMS. The resistance between lines is 8.6 ohms. The inductance between lines is 27.2 mH. The thermal design supports consistent duty operation. The thermal resistance is 0.78 °C/W. The heating time constant is specified at 30 minutes. The static friction torque is rated at 0.169 Nm when the shaft is stationary. The rated operating speed of the PMB33C-00100-00 Servo motor is 1300 RPM. The viscous damping coefficient is 0.038 Newton-meters per 1000 RPM. The rotor inertia, including the resolver, is 0.404 ×10⁻³ kgm2. The total motor weight is 6.3 kg. These thermal and mechanical characteristics ensure smooth and reliable operation. The continuous torque at rated speed is 4.84 Nm. The maximum mechanical speed reaches 6000 revolutions per minute. The motor is designed for a working voltage of 240 volts alternating current. The maximum permissible DC bus voltage is 320 volts. This allows flexibility in integration with matching servo drives.
The PMB33C-00100-00 Servo motor is designed in frame size NEMA 34 and has a stack length of three. Its winding type is designated as C, which supports balanced electrical operation in industrial automation. The connector system is built with flying leads and AMP connectors for secure termination. This servo motor is supplied in standard configuration without additional design alterations. The shaft is flat for compatibility with transmission systems.
Frequently Asked Questions about PMB33C-00100-00:
Q: How does resolver feedback help PMB33C-00100-00 Servo motor?
A: The PMB33C-00100-00 Servo motor uses resolver feedback for analog position detection. This ensures rugged, high-resolution control in noisy industrial environments.
Q: What is the benefit of 1.86 Nm/A torque constant in PMB33C-00100-00?
A: The PMB33C-00100-00 Servo motor’s torque constant supports linear response to drive current. This allows engineers to simplify motion tuning algorithms.
Q: Why is inductance important in PMB33C-00100-00 Servo motor control?
A: The 27.2 mH line inductance in PMB33C-00100-00 Servo motor filters current spikes. This enhances drive stability under rapid setpoint transitions.
Q: How does Pacific Scientific design thermal behavior in PMB33C-00100-00?
A: Pacific Scientific specifies a 0.78 °C/W thermal resistance in the PMB33C-00100-00 Servo motor. This enables consistent duty performance under thermal loading.
Q: What does a flat shaft enable in PMB33C-00100-00 Servo motor?
A: The PMB33C-00100-00 Servo motor’s flat shaft design simplifies mechanical coupling. It ensures stable torque transfer with set-screw or clamp hubs.
