PMB33E-10114-00
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The PMB33E-10114-00 is a NEMA Size 34 brushless servomotor featuring a continuous stall torque of 5.42 Nm and peak torque of 16.1 Nm. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, the motor weighs 6.3 kg and uses flying leads with AMP connectors. It also boasts a 2048 ppr digital encoder with commutation.
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Product Description:
The Pacific Scientific’s NEMA-34 servo motor PMB33E-10114-00 measures 8.28 inches in length and possess housing protection degree of IP40. It functions on a 240 V AC source and delivers a typical torque of 39 lb.-in. This motor is equipped with a 2048 ppr resolution digital commutation feedback system for ensuring precise position and speed control.
The PMB33E-10114-00 motor offers a continuous steady torque of 48 lb.-in and up to 142 lb.-in of peak torque. It operates with a normal speed of 3000 rounds/min, while its peak angular rotation reaches up to 6000 rounds/min. Its rotor moment of inertia is 0.00357 lb-in-sec² to facilitate fast dynamic response and reduced system lag. The motor is designed with double-shielded bearings that increases its durability and ensure long-term reliability in heavy-duty applications. It uses high-density boron magnets with combination of other metals for optimized torque-to-inertia ratio. The PMB motor’s static friction is 1.50 lb-in that offers smooth motion and its thermal resistance is specified as 0.780 °C/W, along with a thermal time constant of 32 minutes for providing efficient heat management as well as, it prevents the unit from overheating during continuous operation.
The PMB33E-10114-00 motor features a turning effect constant of 8.2 lb.-in/A and its back emf value stands at 58.4 V/Krpm. It uses mini-AMP lock connector for power termination through a provide 18 inches wire lead of thickness 18 AWG. The PMB motor is presented with a round shaft design for easy mechanical coupling and it supports a shaft seal if needed. It weighs 13.8 lbs and uses an aluminum 10 inches x 10 inches x 1/4 inches heat sink mount for staying in the operatable temperature range of up to 113 °F.
Frequently Asked Questions about PMB33E-10114-00:
Q: How does the digital 2048 ppr commutation feedback in the PMB33E-10114-00 improve control?
A: It enhances resolution and positional accuracy, allowing finer control of motor phases. This results in smoother motion and reduced overshoot in precise applications.
Q: Why are double-shielded bearings used in the PMB33E-10114-00?
A: They reduce contamination and wear under high-load, high-speed conditions. This ensures longer service life and reduced maintenance.
Q: How does the low rotor inertia of the PMB33E-10114-00 influence performance?
A: Its lower inertia enables quicker acceleration and deceleration. That improves responsiveness for dynamic motion profiles.
Q: What is the benefit of the PMB33E-10114-00’s 18 AWG mini-AMP connector arrangement?
A: It ensures secure, low-resistance power connections, reducing voltage drop. The 18-inch lead also offers installation flexibility.
Q: How does thermal resistance of 0.78 °C/W benefit the PMB33E-10114-00?
A: The lower thermal resistance means more effective heat dissipation. This keeps temperatures controlled under continuous operations.
