PMB32D-00200-01
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The PMB32D-00200-01, part of Pacific Scientific's PMB Brushless Servomotors series, is a compact brushless DC motor with a frame size of 32 mm. It delivers a rated power of 20 W at a speed of 4000 rpm and a torque of 0.048 Nm. The motor operates within -10°C to +50°C and weighs just 0.17 kg.
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Product Description:
The PMB32D-00200-01 is an AC brushless servomotor from Pacific Scientific that features a resolver feedback system. It has a 3.4 inches structure that is IP40 protected and its internal magnetic composition is based on 8 pole pairs for steady torque delivery. This motor is optimized for long operational cycles with minimal maintenance requirements due to its pre-fitted shielded bearings.
The PMB32D-00200-01 motor operates on a 240 V AC supply source and provides a continuous stall torque of 34.0 lb-in, along with a peak torque of 101 lb-in. Its rotational rated speed is specified as 3500 r/min, while it can reach a maximum speed of 6000 r/min by utilizing a peak current of 15.6 Arms. The unit features a resistance of 2.3 Ohms per phase and an inductance of 7.4 mH. Its low rotor inertia of 2.39 lb-in-s² enables high responsiveness in dynamic systems and it take 30 minutes as a heat dissipation value to stabilize thermally. This PMB32D motor is built as a self-cooling unit through natural conduction/convection process and to achieve thermal stability it supports an optional heatsink mounting structure that measures 0.8333 × 0.8333 × 0.02083 ft in dimension. It’s attached resolver feedback loop ensures accurate synchronization with the drive system to facilitate motion control durably even on harsh environmental sites.
The PMB32D-00200-01 motor is presented with a flat design of shaft and an imposed sealing ring is provide on the shaft as well. Its uses MS connectors that are attached to 1.5 ft of leads for power and encoder wiring. This PMB32D motor possesses 0.92 °C/W of thermal impedance and 0.23 lb-in/krpm of viscous damping factor. It comes in a 172.2 mm of total length and weighs around 9.7 lbs.
Frequently Asked Questions about PMB32D-00200-01:
Q: How does the resolver feedback in PMB32D-00200-01 improve performance?
A: The resolver feedback ensures accurate motor position sensing, enabling precise synchronization with drives. This helps maintain stable motion control even in demanding automation systems.
Q: Why are shielded bearings used in the PMB32D-00200-01 motor?
A: Shielded bearings reduce contamination and extend operational life without frequent maintenance. They support long-term reliability in continuous-duty applications.
Q: How does the low rotor inertia of 2.39 lb-in-s² benefit the motor?
A: Low rotor inertia allows the motor to accelerate and decelerate rapidly. This provides higher responsiveness for applications requiring frequent speed changes.
Q: What is the purpose of the 0.92 C/W thermal impedance in PMB32D-00200-01?
A: This thermal impedance enhances heat dissipation efficiency. It allows stable operation under varying load conditions by controlling temperature rise effectively.
Q: Why is a flat shaft design included in the PMB32D-00200-01 motor?
A: A flat shaft simplifies coupling with mechanical systems and prevents slippage. It ensures secure torque transfer in precision-driven machinery.
