PMB33F-10101-03
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The PMB33F-10101-03 is a 5.5-kilogram PM motor with a rated speed of 3000 rpm and a torque of 3.18 Nm. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors Series, it includes IP65 protection and operates at 310 VDC. The motor features natural cooling and a peak torque of 9.5 Nm.
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Product Description:
The PMB33F-10101-03 Brushless Servo Motor delivers high torque performance and reliable speed control. Its compact design and integrated components ensure efficient operation in space constrained environments.
This Pacific Scientific PMB33F-10101-03 servo motor provides a continuous stall torque of 5.42 Nm that ensures consistent force under load. It incorporates neodymium iron boron magnets which help deliver maximum torque output and efficiency. The motor is designed to operate with a maximum supply voltage of 240 V AC (RMS) and up to 320 V DC when connected to the DC bus. These voltage limits correspond to the rated maximum input levels for safe and efficient operation of the motor's drive circuitry and insulation system. It uses a Hall sensor for position feedback that allows precise commutation and control. It provides stable performance and smooth torque characteristics with an electrical inductance (line-to-line) of 2.8 mH and a voltage constant of 0.37 V_RMS/rad/sec (line-to-neutral). The rotor’s inertia is measured at 0.404 ×10⁻³ kg·m² that supports responsive acceleration and deceleration. The thermal time constant of 32 minutes enables it to handle moderate heating over extended use. The motor comes equipped with a round shaft and includes a shaft seal to resist dust and fluid ingress. Its well balanced specifications allow use in systems requiring precision, reliability and thermal stability.
The PMB33F-10101-03 servo motor motor weighs 6.3 kg without additional housing or gear attachments. The round shaft construction supports general purpose coupling compatibility and the shaft seal ensures protection in semi sealed environments. Its moderate inductance supports low current ripple and optimal PWM performance in servo drives. It meets operational needs while maintaining long service life and performance consistency in varying conditions with strong magnetic design and protected shaft configuration.
Frequently Asked Questions about PMB33F-10101-03:
Q: How does the PMB33F-10101-03 motor maintain precise torque control under sustained load conditions?
A: The PMB33F-10101-03 delivers a continuous stall torque of 5.42 Nm for consistent force output during demanding operations. Its high-energy neodymium iron boron magnets enhance torque density and efficiency without overheating.
Q: What makes the PMB33F-10101-03 suitable for tight industrial setups and enclosed drive assemblies?
A: Its compact build and integrated components support space-constrained environments without sacrificing thermal or dynamic performance. The flying lead configuration with AMP connectors streamlines integration into dense systems.
Q: How does the PMB33F-10101-03 servo motor ensure accurate feedback and commutation in real-time applications?
A: The Hall sensor feedback enables precise rotor position tracking for smooth control and stable commutation. This makes it ideal for closed-loop applications requiring accurate velocity and torque response.
Q: How does the electrical inductance of the PMB33F-10101-03 affect servo drive performance?
A: The 2.8 mH line-to-line inductance helps reduce current ripple during operation. It ensures optimal PWM behavior and contributes to smoother torque characteristics in high-frequency drive environments.
Q: How is thermal management handled in the PMB33F-10101-03 during prolonged operation cycles?
A: It features a built-in PTC thermistor and a thermal time constant of 32 minutes for real-time thermal monitoring. This setup controls temperature rise and protects the windings in extended duty cycles.
