PMB33C-00214-03
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The PMB33C-00214-03 is a NEMA Size 34 brushless servomotor with a continuous stall torque of 5.4 Nm and a peak torque of 11.0 Nm. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors Series, it operates at a rated speed of 1,250 RPM. The motor features a digital encoder with 2048 ppr resolution and flying leads with MS connectors.
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Product Description:
Pacific Scientific manufactures the PMB33C-00214-03 Brushless Servomotor. This servomotor is designed to meet severe industrial performance standards. It operates efficiently within an environmental temperature range from 0 to 45 degrees Celsius. The motor supports installation at altitudes up to 1000 meters above sea level.
The PMB33C-00214-03 brushless servomotor maintains functionality in relative humidity conditions up to 90 percent. The permissible storage temperature ranges from -30 to +85 degrees Celsius which confirms durability in varied environments. This servomotor has a torque constant of 1.86 Newton-meters per ampere. It achieves a maximum torque output of 16.1 Nm with a peak current of 8.7 A. The continuous static torque is rated at 5.42 Nm which is suitable for sustained operational loads. The holding friction is minimal at 0.169 Nm which allows accurate control. The electrical characteristics include a line-to-line resistance of 8.6 ohms and an inductance of 27.2 mH. The voltage constant measures 1.11 V/rad/sec which links motor speed and voltage output. Thermal management is addressed with a thermal impedance of 0.78 oC/Watt and a heat dissipation time constant of 32 minutes. This supports efficient cooling during continuous operation. The motor has a standard running speed of 1300 revolutions per minute for consistent rotational performance
The PMB33C-00214-03 brushless servomotor has a unit mass of 6.3 Kg and has an inertia of 0.404 x 10^-3 kgm². The damping constant is 0.038 Nm/kRPM which contributes to smooth torque delivery. The standby current consumption is 2.9 A which optimizes power usage during idle states. These advanced specifications make it ideal for systems requiring accurate speed and position control.
Frequently Asked Questions about PMB33C-00214-03:
Q: How does the damping constant improve motor performance?
A: The damping constant of 0.038 Nm/kRPM reduces oscillations and smoothens torque delivery, enhancing control accuracy. This is vital for applications requiring steady and precise motion.
Q: How does the permissible storage temperature range (-30 to +85 °C) contribute to the motor's reliability?
A: The wide storage range protects the motor from damage due to temperature extremes during transport or downtime. This ensures consistent performance when deployed in harsh environments.
Q: How does the motor’s line-to-line resistance of 8.6 ohms impact its electrical efficiency?
A: The resistance influences power loss and heat generation; 8.6 ohms balances efficiency and durability. It optimizes electrical performance without compromising thermal management.
Q: What is the significance of the motor’s operating altitude limit of 1000 meters?
A: Operating up to 1000 meters ensures stable performance in elevated environments, preventing overheating and loss of torque. This makes the motor suitable for varied industrial settings.
Q: Why is the minimal holding friction of 0.169 Nm advantageous in the PMB33C-00214-03 servomotor?
A: The low holding friction ensures smooth starts and stops with minimal resistance. This reduces wear and improves positioning accuracy in sensitive applications.
