Design Space Investigation By
Response Surface Model Techniques In
Aeronautical Metal Cutting Applications
Author(s)
A. Del Prete, A. A. De Vitis & D. Mazzotta
Abstract
A finite element model (FEM), which is able to predict the cutting interactions
between the tool and the workpiece (cutting forces and cutting edge temperature)
for a typical aeronautical engine Nickel-alloy Inconel 718, has been used to
perform a reduced number of FEM calculations indicated by a DOE, in order to
evaluate the design space for process parameters. These well-distributed results
can be subsequently used to create and evaluate the quality in terms of correct
response behaviour for the metamodels created through different approximation
techniques (polynomial and neural network). The metamodels based on the best
methodology (in terms of effectiveness of process behaviour prediction) have
been used to optimize, through Adaptive Simulated Annealing (ASA)
algorithms, the process parameters defined in a CAM part program block. The
aim of the authors is to modify the Part Program operation parameters according
to the constraints arising from the physical nature of the cutting process obtained
by FEA.
Keywords: machining, FEM, optimization, RSM, ASA.
Keywords
machining, FEM, optimization, RSM, ASA.
Related Book
Other papers in this volume
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