2VM52-020-6
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The 2VM52-020-6 is a low inertia PMDC servomotor with a shaft diameter of 0.3745 inches and a weight of 1.36 kilograms. Manufactured by Pacific Scientific, it is part of the Low Inertia PMDC Servomotors series and operates at a rated voltage of 18-36 V. It features a no-load speed of 6010 RPM.
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Product Description:
The Pacific 2VM52-020-6 motor belongs to the Low Inertia PMDC Servomotors series. It is a permanent magnet DC motor built for precise industrial applications. The unit integrates rugged construction, reliable insulation, and efficient cooling to ensure durable and consistent operation.
The 2VM52-020-6 motor has polyester-impregnated armature windings, which give excellent electrical and mechanical stability. The motor has Class H insulation, which can tolerate temperature exposure up to 180°C. It is outfitted with sealed bearings which increase operational life under harsh conditions. To facilitate service, the brushes feature constant-force springs that can be replaced in the field. The commutator is fused and built for heavy duty in a variety of working situations. Cooling is accomplished using TEFC or TENV designs that makes the motor suitable for both ventilated and non-ventilated environments. The NEMA C-face offer mounting versatility, and a removable base allows for easy installation. Electrical specs include dual rated voltages of 90 VDC and 180 VDC, with a power range of 1/4 HP to 3 HP. The motor has a rated speed of 1750 RPM and continuous torque ranging from 2.9 to 40 lb-in which depends on the sub-model. Armature current ranges from 1.4 A to 14 A. The motor shaft diameter is typically 0.625 inches with a key slot measuring 0.188 × 1.38 inches. The overall length spans 10 to 20 inches depending on configuration.
The 2VM52-020-6 also meets environmental and compliance requirements. It has UL 1004 recognition and CSA C22.2 certification. The unit allows dynamic braking and has a high overcurrent capacity which protects against demagnetization. The insulating system satisfies Class H specifications. Explosion-proof variants are available with UL674 listing and CSA compliance. These specifications make the motor a practical alternative for industrial systems that require consistent torque, adaptable mounting and adherence to safety requirements.
Frequently Asked Questions about 2VM52-020-6:
Q: Why are polyester-impregnated armature windings used in this motor?
A: They enhance electrical integrity and provide mechanical strength. This reduces vibration and prolongs the motor lifespan.
Q: How do constant-force brush springs benefit the 2VM52-020-6?
A: They maintain even pressure on brushes during operation. This ensures consistent electrical contact and lowers wear rate.
Q: Why is a fused commutator important in the Pacific Scientific 2VM52-020-6?
A: It resists damage under repeated switching conditions. This ensures smooth current transfer and reduced maintenance needs.
Q: What is the advantage of sealed bearings in this PMDC motor?
A: Sealed bearings reduce contamination from dust and moisture. They minimize lubrication needs and increase bearing life.
Q: How does dynamic braking enhance the 2VM52-020-6?
A: It supports rapid deceleration without external load damage. The motor manages high overcurrent capacity effectively.
