Yaskawa SGMVH-5ZDXB-YG11
1. Overview
The SGMVH‑5ZDXB‑YG11 is a high-power AC generator (also considered a servo motor) manufactured by Yaskawa. It is specifically designed for industrial automation systems that require high power and precise torque control. This model belongs to the SGMVH series and features high reliability and a long service life, characteristic of products made in Japan.
2. Key Specifications
| Specification |
Value |
Description |
| Rated Power |
50 kW |
Corresponding to the “5Z” in the model code. |
| Rated Voltage |
400 VAC |
Corresponding to the “D” in the model code. |
| Rated Speed |
3000 rpm (common) |
The specific speed depends on the actual configuration. |
| Rated Torque |
238 Nm |
Directly corresponding to power and speed. |
| Number of Phases |
Three-phase |
Suitable for industrial three-phase power supplies. |
| Cooling Method |
Air-cooled/Water-cooled (optional) |
Configurable according to on-site requirements. |
| Protection Class |
IP54 (standard) |
Dust-proof and water-resistant, suitable for workshop environments. |
| Dimension/Weight |
Approximately 1.2 m × 0.6 m × 0.8 m, about 350 kg |
Convenient for handling and installation. |
| Manufacturing Location |
Japan |
Ensuring high-quality production. |
3. Product Features
- High Power Density: With an output of 50 kW, it has a relatively high power density among similar products, making it suitable for space-constrained applications.
- High Torque: The rated torque of 238 Nm ensures stable operation during startup and load changes.
- Reliability: Manufactured in Japan, it uses high-quality materials and strict quality control, resulting in a long service life and low failure rate.
- Multiple Cooling Options: Air-cooled or water-cooled options are available to meet different heat dissipation needs.
- Strong Compatibility: It supports standard three-phase power supplies and can be easily integrated with existing drive systems.
- Easy Maintenance: Adopting a modular design, key components (such as bearings and seals) can be replaced quickly.
4. Structure and Composition
- Stator and Rotor: Equipped with a high-efficiency magnetic circuit design to provide stable electromagnetic torque.
- Bearing System: Uses high-precision rolling bearings to reduce friction and noise.
- Cooling System: Incorporates fans or water-cooled pipelines to ensure temperature control during long-term high-load operation.
- Sealed and Protective Enclosure: Features an IP54 protection class, providing dust and water protection.
- Terminal Box: Adopts standardized wiring for easy on-site wiring.
- Mounting Base: Reserved bolt holes for stable installation.
5. Typical Application Fields
- Large CNC Machine Tools: Meeting the high-power requirements of spindle drives.
- Robot Joint Drives: The high torque ensures fast and precise movement.
- Packaging and Printing Machinery: Suitable for transmission systems that require continuous high power.
- Industrial Automation Production Lines: Applied in heavy-load equipment such as conveyors and hoists.
- Energy and Power Generation Systems: Used as backup or grid-connected generator sets.
6. Installation Points
- Stable Foundation: Ensure the machine base is level and rigid to prevent resonance.
- Power Supply Matching: Check that the phase sequence, frequency, and rated voltage of the three-phase power supply are consistent.
- Cooling System Connection: If water cooling is adopted, ensure the cooling pipelines are sealed and free of leakage.
- Wiring Inspection: Use dedicated terminals to ensure correct phase sequence and reliable contact.
- Commissioning: Conduct an idle operation check before power-on to confirm there is no abnormal noise or vibration from the rotor.
7. Maintenance and Upkeep
- Regularly inspect bearings: Check the lubricating oil or grease every 6 to 12 months and replace if necessary.
- Clean heat dissipation devices: Dust accumulation on fans or heat sinks will affect heat dissipation, so regular dust removal is required.
- Inspect seals: Check if the outer shell seals are aging to prevent water and dust ingress.
- Electrical inspection: Regularly measure the insulation resistance to ensure no loose wiring.
- Record operating parameters: Monitor key indicators such as temperature, vibration, and power to detect abnormalities in a timely manner.
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