Affiliation:
1. Consiglio Nazionale delle Ricerche (CNR), Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing (STIIMA), Via P. Lembo, 38F, 70124 Bari, Italy
2. Consiglio Nazionale delle Ricerche (CNR), Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing (STIIMA), Via A. Corti, 12, 20133 Milan, Italy
Abstract
As the complexity of micro-products increases, the micro-manufacturing processes, tool setups, and measurement processes have to be more precise and efficient. Combining them in a multi-stage process chain can effectively improve production accuracy and performance and reduce limitations and production costs. This paper focuses on the process chains for the manufacturing of micro-products and presents the state of the art, highlighting the specific characteristics of the existing models of process chains for micro-manufacturing. Based on the critical review of these characteristics, an evolution of the process chain model for micro-manufacturing is proposed, considering machining, measurement/characterization, referencing processes, and their combination into a suitable sequence. The proposed model accounts for relevant aspects of micro-manufacturing, such as size effects and technological fingerprints at the microscale. This paper also discusses the hierarchical properties of multiple micro-manufacturing process chains and some specific techniques to address the critical issue of referencing processes. Furthermore, some relevant case studies involving micro-electrical discharge machining, micro-injection molding, additive manufacturing, and micro-milling are presented to demonstrate how the micro-manufacturing potentiality can be increased using process chains.
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering,Mechanics of Materials
Cited by
1 articles.
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