Multi criteria optimization of laser percussion drilling process using artificial neural network model combined with genetic algorithm
OB Nakhjavani, M Ghoreishi - Materials and Manufacturing …, 2006 - Taylor & Francis
This is a study of laser percussion drilling optimization by combining the neural network
method with the genetic algorithm. First, optimum input parameters of the process were …
method with the genetic algorithm. First, optimum input parameters of the process were …
Optimisation of effective factors in geometrical specifications of laser percussion drilled holes
M Ghoreishi, OB Nakhjavani - Journal of materials processing Technology, 2008 - Elsevier
Nowadays, laser percussion drilling is finding increasingly widespread application in
industry. Precise modeling has not yet been achieved due to the complexity of this process …
industry. Precise modeling has not yet been achieved due to the complexity of this process …
Modeling and optimization of laser beam percussion drilling of nickel-based superalloy sheet using Nd: YAG laser
The creation of small diameter holes in thin sheets (< 3mm) of superalloys using a laser
beam is a challenging task. Knowledge of the effect of laser related process variables on …
beam is a challenging task. Knowledge of the effect of laser related process variables on …
Process parameter prediction and modeling of laser percussion drilling by artificial neural networks
CS Wang, YH Hsiao, HY Chang, YJ Chang - Micromachines, 2022 - mdpi.com
Finding process parameters for laser-drilled blind holes often relies on an engineer's
experience and the trial-and-error method. However, determining such parameters should …
experience and the trial-and-error method. However, determining such parameters should …
Comparative statistical analysis of hole taper and circularity in laser percussion drilling
The present study investigates the relationships and parameter interactions between six
controllable variables on the hole taper and circularity in laser percussion drilling …
controllable variables on the hole taper and circularity in laser percussion drilling …
Computer-aided genetic algorithm based multi-objective optimization of laser trepan drilling
The laser trepan drilling (LTD) has proven to produce better quality holes in advanced
materials as compared with laser percussion drilling (LPD). But due to thermal nature of LTD …
materials as compared with laser percussion drilling (LPD). But due to thermal nature of LTD …
Modeling and optimization of laser beam percussion drilling of thin aluminum sheet
Modeling and optimization of machining processes using coupled methodology has been
an area of interest for manufacturing engineers in recent times. The present paper deals with …
an area of interest for manufacturing engineers in recent times. The present paper deals with …
Determination of optimum parameters with multi-performance characteristics in laser drilling—a grey relational analysis approach
Laser drilling is increasingly becoming the method of choice for precision drilling for variety
of components. However, a number of defects such as spatter, recast, heat-affected zone …
of components. However, a number of defects such as spatter, recast, heat-affected zone …
Investigation on the effects of process parameters on laser percussion drilling using finite element methodology; statistical modelling and optimization
M Moradi, E Golchin - Latin American Journal of Solids and Structures, 2017 - SciELO Brasil
In the present research, the simulation of the Nickel-base superalloy Inconel 718 fiber-laser
drilling process with the thickness of 1mm is investigated through the Finite Element Method …
drilling process with the thickness of 1mm is investigated through the Finite Element Method …
Statistical modelling of laser percussion drilling for hole taper and circularity control
The aim of the present work is to investigate the effects of different variables and their
interactions in laser percussion drilling and to understand the possibility of controlling …
interactions in laser percussion drilling and to understand the possibility of controlling …