Abstract Scope |
Milling manufacturing for products such as mold or medical products requires high-quality machined surfaces, engineers have achieved stable and efficient production by visually evaluating the appearance of machined surfaces and tools. However, such tacit intellectual skills are difficult to pass on. In this study, we attempted to develop a digital triplet-typed machining condition evaluation system based on a machine learning algorithm with excellent human interpretability, such as decision trees, using images of machined surfaces and the engineer's sensory evaluation as training data. Furthermore, milling produces scaly cutting mark patterns, although if variations of cutting mark shapes occur, the product's appearance like the glossiness deteriorates. Therefore, the developed system recognizes the shape of cutting marks and matches the pattern to evaluate the stability of the machined surface. This system enables unskilled engineers to know the results of evaluating superior engineers simply by taking pictures of the cutting surface. |