Acoustic based GMAW penetration depth identification using droplet transfer monitoring
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- IEEE International Conference on Automation Science and Engineering, 2022, 2022-August, pp. 2369-2374
- Issue Date:
- 2022-01-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Acoustic based GMAW penetration depth identification using.pdf | 1.27 MB |
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Process monitoring and quality control for industrial robotic Gas Metal Arc Welding (GMAW) systems are key components in ensuring the reliability of the produced products. While being a widely used process, there is still a lack of a robust, plug and play monitoring solution. In particular, weld bead penetration depth is a crucial factor in many fabrication applications, where substantial bonding strength is crucial. This paper introduces a new penetration depth estimation method using the emitted acoustic signal to monitor the droplet transfer process. By monitoring the droplet transfer, an estimation of the welding energy transferred to the base material can be obtained while accounting for variations in the welding process. Using this method, the penetration depth is able to be measured within an error of +15%, proving to be a promising solution for online monitoring in robotic welding applications.
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