2VM52-000-11 Pacific Scientific
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The Pacific Scientific 2VM52-000-11 is a PMDC servo motor from the Low Inertia PMDC Servomotors series. It features a hollow rotor with basket-wound rotor construction and uses Alnico V-7 magnet material. The motor comes with ball bearings and carbon field replaceable brushes, and has a shaft-mounted commutator.
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Product Description:
The 2VM52-000-11 is a permanent-magnet DC servo motor manufactured by Pacific Scientific and offered within the Low Inertia PMDC Servomotors series. As a low-inertia actuator, it is built to deliver fast acceleration and precise speed regulation for pick-and-place arms, indexing tables, and other motion axes that demand tight following of command profiles in industrial automation environments. Its permanent-magnet design eliminates field windings, which further lowers inertia and reduces electrical losses. The motor is a PMDC servo motor and is intended for operation with external drives that control armature voltage.
Mechanical service life is supported by ball bearings on both ends of the shaft, and the energizing elements use carbon brushes that ride on a slotted commutator. Those brushes are field-replaceable, allowing service without removing the motor from the machine. Torque production comes from a classic brushed commutation system that switches armature current mechanically, while magnetic flux is supplied by Alnico V-7 permanent magnets that maintain stable field strength over a wide temperature range. The motor is supplied without an analog tachometer and without an optical encoder, so speed or position feedback must be provided by external sensors in the drive system.
The internal armature uses a basket-wound configuration and a hollow rotor profile; together these features remove unnecessary rotating mass and keep inertia low for rapid dynamic response. The copper winding assembly is carried on a shaft-mounted commutator, so the commutator rotates with the shaft and helps maintain brush alignment during operation. The motor has no dedicated cooling provision, so the housing relies solely on ambient airflow and conduction to dissipate losses. The design also eliminates rotating iron to reduce cogging torque, keeping the envelope compact for tight mounting spaces.
Frequently Asked Questions about 2VM52-000-11:
Q: What magnet material is used in the 2VM52-000-11 servo motor?
A: This motor utilizes Alnico V-7 as the magnet material.
Q: Is there an optical encoder included with the 2VM52-000-11 motor?
A: No optical encoder is attached to the 2VM52-000-11 model.
Q: What type of bearings does the 2VM52-000-11 servo motor use?
A: The 2VM52-000-11 motor features ball bearings for smooth operation.
Q: What type of brushes are used in the 2VM52-000-11 and can they be replaced in the field?
A: This model uses carbon brushes which are field replaceable for easy maintenance.
Q: What is the rotor construction and style of the 2VM52-000-11 servo motor?
A: The rotor in the 2VM52-000-11 is constructed with a basket-wound, hollow design.
