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On the basis of three-dimensional finite element modeling method, a cutting model is built in accordant with the real working environment. In the simulation, some results including the temperature distribution, cutting force variable and stress field were obtained. The simulation result can help to improve and optimize the parameters of the real turning process, to reduce costly and time consuming...
GH4169 is a difficult-to-cut nickel-based superalloy commonly used in aerospace industry. This paper presents a cutting force prediction model in the end milling of GH4169 superalloy with carbide tools by orthogonal experiment. The variance analysis is applied to check the significance of the model, accuracy of the model is verified by experiment. The effect of cutting parameters on the cutting force...
The relation between minimum thickness of cut (MTC) and the extreme machining accuracy attainable for a specific cutting condition by Atomic Force Microscope (AFM) has been discussed. A mechanical model was used to describe qualitatively the minimum thickness of cut during nanometric cutting process. Mechanical response of aluminum and copper on nanoscratching has been studied. The analysis of the...
In this paper classification of chip form and main cutting force prediction of cast nylon in turning operation by using artificial neural network (ANN) are described. The multi-layer perceptron of back-propagation neural network (BPNN) was employed as a tool to classify a chip form following ISO 3685-1977(E) and predicted the tangential cutting force. The turning operation was performed by a conventional...
The aim of this work was to examine the influence of the height of the cut layer on the forces and work of cutting in milling of laminated particleboards. The feeding force at the crack initiation and the maximum feeding force were measured, as well as the maximum of normal force. Specific work of cutting, specific work of new surface creation and specific work of chip deformation were calculated...
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