PMB33C-20216-00
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The Pacific Scientific PMB33C-20216-00 is part of the PMB Brushless Servomotors series, featuring a NEMA Size 34 frame and digital encoder with commutation. It delivers a rated torque of 4.8 Nm, peak torque of 9.7 Nm, and rated speed of 1300 rpm. The motor supports flying leads with MS connectors.
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Product Description:
The Pacific Scientific designs PMB33C-20216-00 as a PMB series brushless servo motor, with a continuous steady speed of 1300 r/min and 5.42 Nm of stationary torque. It comes in a NEMA-34 sized frame and uses Neodymium magnets to provide high torque during operations. The motor possesses a total length of 210.30 mm and weighs 6.3 kg.
The PMB33C-20216-00 motor supports a stall current of 2.9 A and it delivers 5.42 Nm of torque. Its peak torque output is rated at 16.1 Nm and the peak rated speed for this motor is 6000 r/min. The rotor inertia is 0.000403 kg·m² to manage rapid motion responses during acceleration and deacceleration. It is equipped with a feedback encoder along with commutation that offers a resolution of 4096 ppr for reliable feedback regarding the motor speed and position. The PMB33C motor comes with 457 mm long cables with MS connectors on both feedback and power line, along with thickness of 26 AWG and 18 AWG respectively. It includes a square shaft with mechanically balanced key design that measure 12.70 mm in diameter and 25.40 mm in length. The motor has a rated voltage of 240V AC and its DC bus voltage is 320V. Its continuous torque is optimized for applications up to 4.84 Nm and its thermal resistance is 0.78 °C/W. This PMB33C motor uses self-cooling method and it take 32 minutes to stabilize in temperature.
The PMB33C-20216-00 motor features a phase-to-phase resistance of 8.6 Ohms and its torque constant is 1.86 Nm/A while its voltage constant is rated as 1.11 V/rad/sec. It lacks any thermistor or shaft sealing in the pre-factory assembly but extends it support if the need arises for attaining environmental and thermal protection. The PMB33C motor’s construction is IP40 rated for clean indoor environments.
Frequently Asked Questions about PMB33C-20216-00:
Q: What is the significance of the PMB33C-20216-00 motor's 4096 ppr encoder?
A: The 4096 ppr encoder provides high resolution feedback for accurate motor position and speed control. This ensures precise and responsive movement in applications that require fine-tuned control.
Q: How does the PMB33C-20216-00 motor’s peak torque of 16.1 Nm benefit its performance?
A: The peak torque of 16.1 Nm allows for high power output during dynamic load changes, supporting smoother acceleration and deceleration cycles. This feature is crucial for high-performance motion control systems.
Q: Why does the PMB33C-20216-00 use Neodymium magnets in its design?
A: The Neodymium magnets are known for their high magnetic strength, offering better torque and efficiency in a compact motor size. This contributes to improved performance in demanding applications requiring high torque.
Q: What is the benefit of the PMB33C-20216-00 motor’s 0.78 °C/W thermal resistance?
A: The thermal resistance of 0.78 °C/W enables better heat dissipation, ensuring the motor operates within safe temperature limits. This is important for maintaining motor longevity and avoiding overheating during extended use.
Q: What role does the PMB33C-20216-00 motor's 32-minute stabilization time play in its performance?
A: The 32-minute stabilization time allows the motor to reach optimal thermal conditions after being powered on. This ensures consistent performance and minimizes thermal-related performance issues.
