PMB32D-00116-03
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The PMB32D-00116-03 brushless servomotor features NEMA Size 34 construction, a peak torque of 11.3 Nm, a rated speed range of 3,000-4,550 RPM, and weighs 7.4 kg. From the PMB Brushless Servomotors series by Pacific Scientific, it boasts a 4096 ppr digital encoder with commutation.
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Product Description:
The PMB32D-00116-03 is one of Pacific Scientific’s most innovative servo motors, designed under the PMB3 motor product line. Boasting a size NEMA 34 frame with a protection category of IP 40, this machine is suitable for automation systems requiring a fast-response motor. As a low-inertia motor, this device employs a brushless construction, allowing it to perform optimally with minimal power losses. During operation, this unit must be connected to a three-phase power supply with a nominal voltage of 240 V or a DC bus voltage with a potential difference of 320 V. Like other PMB3 motors, this machine employs rare-earth magnets along its core to achieve a low cogging effect.
The PMB32D-00116-03 achieves a continuous torque of 3.84 Nm at stall conditions. At the same operating point, this machine draws an RMS current of around 5.2 A. With its built-in digital encoder, this motor can be used for highly accurate servo systems. To operate properly, the digital encoder of this motor must be connected to a compatible servo drive or a processing module. Like other brushless motors, the PMB32D-00116-03 features a relatively low static friction and viscous damping coefficient. Particularly, the PMB32D-00116-03 has a maximum static friction of 0.12 Nm and a viscous damping coefficient of 0.026 Nm/kRPM.
Owing to the PMB32D-00116-03’s cooling system and compact form factor, the machine has a relatively short thermal time constant of 30 minutes. Without other accessories such as a holding brake, this PMB motor has a mass of 4.4 kilograms, or about 9.71 pounds. For high-torque applications, this machine can safely be configured to deliver a peak torque of 11.4 Nm. When the shaft achieves this peak torque value, the corresponding current drawn by the motor is around 15.6 A.
Frequently Asked Questions about PMB32D-00116-03:
Q: What is the resistance of the PMB32D-00116-03’s winding?
A: The PMB32D-00116-03’s winding has a line-to-line resistance of 2.3 ohms.
Q: What is the inductance of the PMB32D-00116-03’s winding?
A: The PMB32D-00116-03’s winding has a line-to-line inductance of 7.4 mH.
Q: What is the voltage constant of the PMB32D-00116-03?
A: The PMB32D-00116-03 has a voltage constant of 0.46 V/kRPM.
Q: What is the torque constant of the PMB32D-00116-03?
A: The PMB32D-00116-03 has a torque constant of 0.74 Nm/A.
Q: What is the length of the PMB32D-00116-03?
A: As a PMB32 motor, the PMB32D-00116-03 has a length of 172.2 millimeters, or about 6.78 inches.
