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Design and Analysis of a Pneumatic Spring Testing System for Precision Manufacturing
Zhibo Sun1, Shaofeng Xu2, Li Cheng3
1Engineering Training Center, Beihang University, Beijing 102206, China.
Materials (Basel, Switzerland)
|February 15, 2022
Summary
This study developed a multi-frequency testing system to evaluate pneumatic spring performance for precision manufacturing. Pneumatic springs effectively isolate vibrations above 7 Hz, crucial for advanced manufacturing processes.
Area of Science:
- Mechanical Engineering
- Manufacturing Technology
- Vibration Analysis
Background:
- Precision manufacturing relies heavily on effective vibration isolation.
- Pneumatic springs are critical components for damping vibrations in manufacturing equipment.
- Assessing pneumatic spring performance under various conditions is essential for optimizing precision.
Purpose of the Study:
- To design and develop a multi-frequency band testing system for evaluating pneumatic spring performance.
- To analyze the stiffness of pneumatic springs using theoretical models and numerical methods.
- To determine the effective conditions for vibration isolation provided by pneumatic springs.
Main Methods:
- Pneumatic spring structure analysis.
- Stiffness calculation using ideal gas, Kelvin-Voigt, and finite element models.
- Dynamic modeling and Simulink simulation of a vibration platform.
- Experimental validation of the multi-frequency band testing system.
Main Results:
- Transmission rate was approximately 20% at 40 Hz and 12% at 100 Hz.
- Pneumatic springs demonstrated effectiveness in vibration isolation for frequencies exceeding 7 Hz.
- Critical parameters for vibration isolation were identified through simulation and analysis.
Conclusions:
- The developed multi-frequency testing system reliably assesses pneumatic spring performance.
- Pneumatic springs offer significant vibration isolation benefits for precision manufacturing applications.
- This research provides a foundation for future advancements in vibration control for high-precision manufacturing.
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