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A Sustainability-Based Expert System for Additive Manufacturing and CNC Machining
Josage Chathura Perera1, Bhaskaran Gopalakrishnan1, Prakash Singh Bisht1
1Industrial and Management Systems Engineering, West Virginia University, Morgantown, WV 26506, USA.
Sensors (Basel, Switzerland)
|September 28, 2023
Summary
Expert systems help metal manufacturers choose between binder jetting, direct metal laser sintering, and CNC machining. Binder jetting shows better sustainability indicators than CNC machining for stainless steel 316L components.
Area of Science:
- Manufacturing Engineering
- Materials Science
- Sustainability Science
Background:
- Metal manufacturing facilities face complex decisions in selecting optimal production methods.
- Binder jetting, direct metal laser sintering, and CNC machining are key additive and subtractive manufacturing technologies.
- Evaluating sustainability aspects like cost, energy, and material usage is crucial for process selection.
Purpose of the Study:
- To develop expert systems for selecting manufacturing processes (binder jetting, direct metal laser sintering, CNC machining).
- To integrate product viability, process parameters, and sustainability indicators into the selection criteria.
- To provide decision support for metal manufacturing facilities.
Main Methods:
- Development of expert systems using Exsys Corvid software.
- Inclusion of cost-effectiveness, energy efficiency, and auxiliary material usage as sustainability indicators.
- Verification through comparative analysis of binder jetting and CNC machining for a stainless steel 316L component.
Main Results:
- Expert systems were successfully developed to aid in manufacturing process selection.
- Binder jetting demonstrated more favorable sustainability indicators compared to CNC machining.
- The study provides a framework for evaluating sustainability in additive vs. subtractive manufacturing.
Conclusions:
- Expert systems offer a valuable tool for optimizing manufacturing process selection.
- Binder jetting presents a more sustainable option than CNC machining for specific applications like stainless steel 316L components.
- Integrating sustainability metrics into manufacturing decisions is essential for environmental and economic efficiency.
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