Session: 08-07-02: Novel Control of Dynamic System and Design II

Paper Number: 167223

Waterjet Cutting Dynamics Study 

Waterjet cutting is a versatile and efficient material processing technique that utilizes high-pressure water streams, often mixed with abrasive particles, to cut a wide range of materials. This method is widely used in various industries due to its ability to cut through materials without generating heat, thus avoiding thermal distortion and preserving the material properties. However, the performance and quality of waterjet cutting can be significantly influenced by the vibrations generated during the process. These vibrations can affect the precision of the cut, the surface finish, and the overall stability of the cutting operation.

This study investigates the impact of operational vibrations on the cutting capability and surface quality of materials processed using abrasive waterjet cutting (AWJC). The primary objective of this research is to implement live closed-loop system strategies to guide the process parameters effectively. By doing so, the study aims to enhance the control over the cutting process, ensuring consistent and high-quality results.

To achieve this, the research employs vibration sensors to monitor the relationship between the vibration parameters, particularly displacement analysis, and the quality of surface finishing. The sensors provide real-time data on the vibrations occurring during the cutting process, allowing for immediate adjustments to be made to the process parameters. This real-time monitoring is crucial for maintaining the desired cutting performance and surface quality.

The findings of this study highlight the importance of controlling vibrations to enhance process stability, improve surface quality, and optimize the overall efficiency of waterjet cutting operations. By implementing closed-loop control strategies, operators can compensate for drifts in jet cutting capability, ensuring that the cutting process remains stable and efficient. This approach not only improves the quality of the cut but also extends the lifespan of the cutting equipment by reducing wear and tear caused by excessive vibrations.

Furthermore, this research underscores the need for a systematic approach to monitor and mitigate vibrations in waterjet cutting. By adopting such an approach, industries can achieve better product quality and operational efficiency. The study also suggests that future work should focus on developing advanced monitoring systems and exploring the integration of machine learning techniques. These techniques could predict and control vibration-induced variations in cutting performance, leading to even greater improvements in the precision and reliability of waterjet cutting.

In conclusion, this research provides valuable insights into the role of vibrations in abrasive waterjet cutting and offers practical solutions for enhancing the process. By implementing live closed-loop control strategies and leveraging advanced monitoring technologies, the study paves the way for significant advancements in waterjet cutting operations, ultimately contributing to higher quality products and more efficient manufacturing processes.

Presenting Author: Basel Alsayyed Western Carolina University

Presenting Author Biography: Dr. Basel Alsayyed is the Engineering Technology program director and an assistant professor in the School of Engineering and Technology at Western Carolina University. Before joining WCU, Dr. Alsayyed was an Industrial Professor in the department of mechanical engineering, of University of Alberta (UofA), Canada. Prior to joining UofA, Dr. Alsayyed was an Associate Professor at the Department of Mechanical Engineering in UAE University. With over 21 years of experience in academia, and over 12 years of industrial experience, primarily in the American automotive industry, Dr. Alsayyed has a passion for innovation in education, teaching, research, and training. Integration of academia and industry goals and activities are paramount to Dr. Alsayyed. Sensing the industry needs and preparing future engineers to meet those needs and challenges is an important dimension of Dr. Alsayyed’s activities.
Dr. Alsayyed has published more than fifty articles in peer-reviewed journals and conference proceedings. He has seven granted patents. Research interests are in the areas of advanced manufacturing, additive manufacturing, design optimization, quality & reliability, engineering education, project management, and knowledge management.

Authors:

Basel Alsayyed Western Carolina University
Chaitanya Borra Western Carolina University