Description
1. Product Title
Pacific Scientific 33VM52-000-29 – Low Inertia PMDC Servo Motor (VM Series)
2. Product Overview
The 33VM52-000-29 from Pacific Scientific is a low inertia permanent magnet DC (PMDC) servo motor designed for high-performance motion control applications. As part of the VM Series, this motor is optimized for systems requiring rapid acceleration, precise speed regulation, and responsive positioning.
Engineered with Alnico V-7 magnetic materials and a lightweight rotor design, the 33VM52-000-29 delivers efficient torque output while minimizing inertia, making it ideal for dynamic control loops. Despite being discontinued, it remains widely used in legacy automation systems due to its proven reliability and compatibility with existing DC servo drives. This motor is particularly suited for applications where fast response and consistent performance are critical.
3. Technical Specifications
- Brand: Pacific Scientific
- Model: 33VM52-000-29
- Warranty: One Year
- Condition: 100% New & Original
- Motor Type: Low inertia PMDC servo motor (VM Series)
- Rated Voltage: 18–36 VDC (typical 24 VDC)
- Rated Current (Continuous): 3.1–5.7 A
- Rated Amperage (Max): Approx. 6.4 A
- Magnet Material: Alnico V-7
- Cooling: Natural convection (no forced-air cooling)
- Feedback Devices: No built-in encoder or tachometer
- Shaft Diameter: 0.281–0.344 inches
- Series: VM low inertia motor family
- Status: Discontinued (limited availability in aftermarket)
4. Key Features & Benefits
- Low Inertia Rotor Design:
Minimizes rotational mass, enabling faster acceleration and deceleration for high-speed, precision motion control. - Stable Torque Output:
The Alnico V-7 magnet construction ensures consistent magnetic performance and reliable torque generation under varying load conditions. - Optimized for Dynamic Applications:
Designed specifically for low inertia environments, improving responsiveness in closed-loop servo systems. - Simple Integration Architecture:
Absence of integrated feedback devices allows flexible pairing with external encoders or tachometers based on system requirements. - Proven Legacy Compatibility:
Widely deployed in existing automation systems, making it suitable for maintenance replacement and retrofit projects.
5. Application Scenarios
- Packaging Machinery:
Used in high-speed packaging lines requiring rapid motion cycles and precise positioning. - CNC & Machine Tools:
Provides responsive axis control in machining systems where accuracy and repeatability are essential. - Industrial Automation Systems:
Applied in conveyors, assembly lines, and robotic subsystems requiring stable servo performance.
6. Frequently Asked Questions (FAQ)**
- Q: What is the primary function of the 33VM52-000-29?
A: It is a low inertia PMDC servo motor used for precise speed and position control in industrial automation systems. - Q: Is 33VM52-000-29 compatible with legacy systems?
A: Yes, it is commonly used in legacy motion control setups and can be integrated with compatible DC servo drives and external feedback devices.
