Electrical equipment and system of industrial robot—Part 2: Requirements for AC servo driver device
1Key Takeaways
This part of GB/T37414 specifies the technical requirements and inspection (test) methods for AC servo drive devices (referred to as servo devices) in industrial robot electrical equipment and systems, including environmental adaptability, functional and electrical performance, manufacturing quality, basic safety and E…
2Expert Interpretation
An in-depth interpretation of the technical requirements of GB/T37414.2-2020 on industrial robot AC servo drive devices, including core indicators such as environmental adaptability, functional performance, and manufacturing quality, and providing professional implementation suggestions and standard comparative analysis.
Analysis of the core content of the standard
This standard specifies the technical requirements and inspection methods for AC servo drive devices for industrial robots, covering 11 major indicators such as the environmental adaptability and electrical performance of key components such as servo motors and drive units.
Key indicators of environmental adaptability
| Test items | Technical requirements | Test methods |
|---|---|---|
| Dry heat/dry cold resistance | -40℃~70℃ storage and transportation | GB/T2423.1-2008 |
| Cyclic damp heat | 55℃/95%RH 48h | GB/T2423.4-2008 |
| Vibration test | 2-150Hz/0.15mm | GB/T2423.10-2019 |
Core parameters of electrical performance
Static stiffness: calculated by the formula Ks=T0/Δθ, typical value ≥100N·m/(″)
Speed regulation range: high performance type ≥10000:1, popular type ≥6000:1
Implementation suggestions
- Environmental testing needs to simulate actual working conditions. It is recommended to establish a complete accelerated aging test plan
- Electromagnetic compatibility design should focus on the conducted interference and radiated immunity requirements of clauses 7.8-7.9
- Manufacturing quality control must strictly implement the 12 appearance and structure requirements specified in Chapter 6
Technology evolution analysis
Compared with the 2015 version of the standard, the new version mainly strengthens:
- Electromagnetic compatibility requirements in the high frequency band (1GHz)
- IP65 protection level for servo motors
- Dynamic response index (establishment time ≤5ms)