33VM52-000-29 Pacific Scientific
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The 33VM52-000-29 is a PMDC servomotor manufactured by Pacific Scientific as part of the Low Inertia PMDC Servomotors series. It features Alnico V-7 magnet material and operates at a rated current of 6.4 Amps with a rated voltage of 24 VDC. The motor is equipped with no forced-air cooling and has a rotor inertia of 0.00043 oz-in-sec².
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Product Description:
The 33VM52-000-29 is a permanent-magnet DC servomotor from Pacific Scientific and belongs to the Low Inertia PMDC Servomotors series. It is intended for industrial automation where a low-inertia shaft must follow commanded speed or position quickly. The motor’s compact frame and direct-current supply make it suitable for machines that need fast reversals while staying within a low-voltage power architecture. Its purpose is to convert electrical energy into controlled rotary motion for closed-loop axes. In this type of application, quick response is useful on indexing, positioning, and reversing duties where shaft speed must change without excessive lag.
It is engineered for a supply of 24 VDC, and at this voltage the armature draws a continuous 6.4 A RMS. With a torque constant of 5.9 oz-in/A, the motor develops nearly six ounce-inches of torque per ampere, which helps match the drive amplifier to steady-state load demand. The terminal resistance is 0.85 Ω, so resistive heating rises with current and must be considered when evaluating thermal limits and conductor sizing inside a cabinet. Because the frame uses no forced-air cooling, installation must allow free airflow or conductive heat paths to keep winding temperatures within rating. The low-voltage DC input also suits machines that distribute DC power directly to motion components instead of using a separate AC motor stage.
Dynamic behavior is set by the rotor’s 0.00043 oz-in-sec² inertia, which reduces the torque needed to change speed and helps limit overshoot in position loops. Magnetic flux is established by an Alnico V-7 permanent magnet set that resists demagnetization and temperature drift. The unit is classified as a PMDC Servomotor, and it is manufactured by Pacific Scientific. This motor style is commonly used where stable magnet strength and quick acceleration are important during repeated motion cycles.
Frequently Asked Questions about 33VM52-000-29:
Q: What cooling method does the 33VM52-000-29 servomotor use?
A: The 33VM52-000-29 servomotor operates without forced-air cooling.
Q: What is the magnet material in the 33VM52-000-29 servomotor?
A: This PMDC servomotor uses Alnico V-7 as its magnet material.
Q: What is the rated current for the 33VM52-000-29 model?
A: The rated current for the 33VM52-000-29 servomotor is 6.4 A (rms).
Q: What is the rated voltage on the 33VM52-000-29 servomotor?
A: The 33VM52-000-29 is designed to operate at a rated voltage of 24 VDC.
Q: What is the torque constant of the 33VM52-000-29 servomotor?
A: The torque constant for this model is specified at 5.9 oz-in/A.
