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Toscano-reyes H. - One of the best experts on this subject based on the ideXlab platform.
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
Centro Nacional de Investigaciones Metalúrgicas, 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Zambrano-robledo P. C., Siller, Héctor R., Toscano-reyes H.Abstract:This article describes the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500, and 600 m/min Cutting speeds
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
Consejo Superior de Investigaciones Científicas, 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Zambrano-robledo P. C., Siller-carrillo H. R., Toscano-reyes H.Abstract:This work deals with the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500 and 600 m/min Cutting speeds. A new criterion for machinability study, the coefficient of volumetric dimension of Cutting Force, it is introduced. The investigation showed a better performance of cermet for moderate and intermediate Cutting speeds, while at high Cutting speed and final machining time, the three layers coated carbide achieved the best result. The factorial analysis of variance demonstrated a significant effect of machining time on the coefficient of volumetric dimension of Resultant Cutting Force, while the material insert factor and their interaction, for intermediate Cutting speed was just significant.En este trabajo se aborda el estudio experimental de la evolución de la fuerza de corte Resultante de dos insertos de carburo recubierto y un cermet, durante el torneado en seco del acero AISI 1045 con velocidades de corte de 400, 500 y 600 m/min . Se introduce, además, un nuevo criterio para el estudio del rendimiento de las operaciones de mecanizado: el coeficiente de dimensión volumétrica de la fuerza de corte. La investigación mostró un mejor rendimiento del cermet para la velocidad de corte moderada e intermedia, mientras que para la alta velocidad de corte y tiempo final de mecanizado, el mejor resultado fue para el carburo recubierto con tres capas. El análisis de varianza factorial demostró un efecto significativo del tiempo de mecanizado en el coeficiente de dimensión volumétrica de la fuerza de corte Resultante, mientras que la variable material del inserto y su interacción, fue solo significativa para la velocidad de corte intermedia
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
'Editorial CSIC', 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Siller-carrillo H. R., Zambrano Robledo, Patricia Del Carmen, Toscano-reyes H.Abstract:RESUMEN En este trabajo se aborda el estudio experimental de la evolución de la fuerza de corte Resultante de dos insertos de carburo recubierto y un cermet, durante el torneado en seco del acero AISI 1045 con velocidades de corte de 400, 500 y 600 m/min . Se introduce, además, un nuevo criterio para el estudio del rendimiento de las operaciones de mecanizado: el coeficiente de dimensión volumétrica de la fuerza de corte. La investigación mostró un mejor rendimiento del cermet para la velocidad de corte moderada e intermedia, mientras que para la alta velocidad de corte y tiempo final de mecanizado, el mejor resultado fue para el carburo recubierto con tres capas. El análisis de varianza factorial demostró un efecto significativo del tiempo de mecanizado en el coeficiente de dimensión volumétrica de la fuerza de corte Resultante, mientras que la variable material del inserto y su interacción, fue solo significativa para la velocidad de corte intermedia. ABSTRACT This work deals with the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500 and 600 m/min Cutting speeds. A new criterion for machinability study, the coefficient of volumetric dimension of Cutting Force, it is introduced. The investigation showed a better performance of cermet for moderate and intermediate Cutting speeds, while at high Cutting speed and final machining time, the three layers coated carbide achieved the best result. The factorial analysis of variance demonstrated a significant effect of machining time on the coefficient of volumetric dimension of Resultant Cutting Force, while the material insert factor and their interaction, for intermediate Cutting speed was just significant
Abdulhakim Ali Sultan - One of the best experts on this subject based on the ideXlab platform.
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effects of geometric parameters of wavy edge bull nose helical end mill on Cutting Force prediction in end milling of inconel 718 under mql cooling strategy
Journal of Manufacturing Processes, 2016Co-Authors: Abdulhakim Ali Sultan, Chukwujekwu A OkaforAbstract:Abstract This paper presents the results of the development of a mechanistic Cutting Force prediction model for wavy-edge, bull-nose, helical endmill (WEBNHE), which was validated and used to investigate the effects of the geometric parameters of the WEBNHE on the predicted Cutting Force components and the Resultant Cutting Force. The mechanistic Cutting Force prediction model was validated by conducting end-milling experiments on Inconel 718 and incorporating the effect of the Minimum Quantity Lubrication (MQL) cooling strategy through experimentally identified six Cutting Force and edge Force coefficients. The geometric parameters investigated in this research were: the wavelength, wave magnitude, axial shift of the linear part, and the helix angle of the wavy Cutting edges. These parameters were varied one at a time, and the Cutting Force components for each variation were predicted using the mechanistic Cutting Force prediction model. The results show that the predicted and measured Cutting Force components were in good agreement in magnitude and shape. The Cutting Force components generated from the end-milling under the MQL cooling strategy were lower than under the emulsion cooling strategy. The magnitudes and shapes of the predicted Cutting Force components and the Resultant Cutting Force of the WEBNHE were unique (asymmetric) in magnitude and shape compared to those of standard, bull-nose, helical endmill (SBNHE) due to the uniqueness of the wavy-Cutting edge geometry. The results also show that the predicted Cutting Force component in the feed direction Fy is the largest and the most affected by the geometric parameters, followed by Fx. However, Fz is insignificantly affected. It was also observed that the maximum magnitudes and ranges of the Cutting Force component in the feed direction Fy and the Resultant Cutting Force FR increased with an increase in the wave magnitude and decrease with increase of the wavelength, axial shift, and the helix angle. The wavy Cutting edge spends more time in the Cutting zone than the standard, helical, Cutting edge; this extra time affects the frequency content of the Cutting Force signals generated by the endmill and improves the end-milling dynamics. Additionally, the distribution of the Cutting Forces on the wavy Cutting edges was not equal due to the asymmetric Cutting edge geometry.
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Development of a mechanistic Cutting Force model for wavy-edge bull-nose helical end-milling of inconel 718 under emulsion cooling strategy
Applied Mathematical Modelling, 2016Co-Authors: A. Chukwujekwu Okafor, Abdulhakim Ali SultanAbstract:This paper presents the results of the development of a mechanistic Cutting Force model to predict Cutting Forces in high-speed end-milling of Inconel 718 using a wavy-edge, bull-nose, helical endmill (which hereafter will be abbreviated as WEBNHE). The model incorporates the effects of emulsion cooling strategy into the mechanistic Cutting Force model through the experimental determination of six specific Cutting Force and edge Force coefficients. The Cutting Force is predicted as three components (Fx, Fy, and Fz) and the Resultant Cutting Force FR. The mechanistic Cutting Force model depends on a mathematical model to represent the geometry of this endmill, which is also developed in this research. The mechanistic model also depends on three Cutting Force coefficients in the tangential, radial, and axial directions (ktc, krc, kac, respectively), and on three edge Force coefficients (kte, kre, kae), also in the tangential, radial, and axial directions. These coefficients are determined experimentally in a separate work in which "emulsion" was applied as the cooling strategy. MATLAB codes were developed and used to simulate the developed mathematical and mechanistic Cutting Force models. Finally, to validate the mechanistic Cutting Force model, machining experiments were conducted and real Cutting Force components were measured and compared with the predicted Cutting Force components. The predicted values agree fairly well with the experimentally measured values in both magnitude and shape. The percentage of the prediction error for the highest peak Force magnitudes at 93 rpm were 11.38%, -0.46%, and 11% for the Fx, Fy, and Fzcomponents respectively, while the percentage prediction error for the lowest Cutting Force magnitudes are 15.25%, 17.84%, and 10% for Fx, Fy, and Fzcomponents respectively. The developed mechanistic Cutting Force model can be used to investigate the effect of tool geometry and machining parameters on Cutting Forces, machining power, machine tool vibration, and to simulate the end-milling process to improve machinability and productivity, and also to understand more fully the end-milling process using WEBNHE.
Hernández-gonzález L. W. - One of the best experts on this subject based on the ideXlab platform.
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
Centro Nacional de Investigaciones Metalúrgicas, 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Zambrano-robledo P. C., Siller, Héctor R., Toscano-reyes H.Abstract:This article describes the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500, and 600 m/min Cutting speeds
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
Consejo Superior de Investigaciones Científicas, 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Zambrano-robledo P. C., Siller-carrillo H. R., Toscano-reyes H.Abstract:This work deals with the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500 and 600 m/min Cutting speeds. A new criterion for machinability study, the coefficient of volumetric dimension of Cutting Force, it is introduced. The investigation showed a better performance of cermet for moderate and intermediate Cutting speeds, while at high Cutting speed and final machining time, the three layers coated carbide achieved the best result. The factorial analysis of variance demonstrated a significant effect of machining time on the coefficient of volumetric dimension of Resultant Cutting Force, while the material insert factor and their interaction, for intermediate Cutting speed was just significant.En este trabajo se aborda el estudio experimental de la evolución de la fuerza de corte Resultante de dos insertos de carburo recubierto y un cermet, durante el torneado en seco del acero AISI 1045 con velocidades de corte de 400, 500 y 600 m/min . Se introduce, además, un nuevo criterio para el estudio del rendimiento de las operaciones de mecanizado: el coeficiente de dimensión volumétrica de la fuerza de corte. La investigación mostró un mejor rendimiento del cermet para la velocidad de corte moderada e intermedia, mientras que para la alta velocidad de corte y tiempo final de mecanizado, el mejor resultado fue para el carburo recubierto con tres capas. El análisis de varianza factorial demostró un efecto significativo del tiempo de mecanizado en el coeficiente de dimensión volumétrica de la fuerza de corte Resultante, mientras que la variable material del inserto y su interacción, fue solo significativa para la velocidad de corte intermedia
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
'Editorial CSIC', 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Siller-carrillo H. R., Zambrano Robledo, Patricia Del Carmen, Toscano-reyes H.Abstract:RESUMEN En este trabajo se aborda el estudio experimental de la evolución de la fuerza de corte Resultante de dos insertos de carburo recubierto y un cermet, durante el torneado en seco del acero AISI 1045 con velocidades de corte de 400, 500 y 600 m/min . Se introduce, además, un nuevo criterio para el estudio del rendimiento de las operaciones de mecanizado: el coeficiente de dimensión volumétrica de la fuerza de corte. La investigación mostró un mejor rendimiento del cermet para la velocidad de corte moderada e intermedia, mientras que para la alta velocidad de corte y tiempo final de mecanizado, el mejor resultado fue para el carburo recubierto con tres capas. El análisis de varianza factorial demostró un efecto significativo del tiempo de mecanizado en el coeficiente de dimensión volumétrica de la fuerza de corte Resultante, mientras que la variable material del inserto y su interacción, fue solo significativa para la velocidad de corte intermedia. ABSTRACT This work deals with the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500 and 600 m/min Cutting speeds. A new criterion for machinability study, the coefficient of volumetric dimension of Cutting Force, it is introduced. The investigation showed a better performance of cermet for moderate and intermediate Cutting speeds, while at high Cutting speed and final machining time, the three layers coated carbide achieved the best result. The factorial analysis of variance demonstrated a significant effect of machining time on the coefficient of volumetric dimension of Resultant Cutting Force, while the material insert factor and their interaction, for intermediate Cutting speed was just significant
Pérez-rodríguez R. - One of the best experts on this subject based on the ideXlab platform.
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
Centro Nacional de Investigaciones Metalúrgicas, 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Zambrano-robledo P. C., Siller, Héctor R., Toscano-reyes H.Abstract:This article describes the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500, and 600 m/min Cutting speeds
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
Consejo Superior de Investigaciones Científicas, 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Zambrano-robledo P. C., Siller-carrillo H. R., Toscano-reyes H.Abstract:This work deals with the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500 and 600 m/min Cutting speeds. A new criterion for machinability study, the coefficient of volumetric dimension of Cutting Force, it is introduced. The investigation showed a better performance of cermet for moderate and intermediate Cutting speeds, while at high Cutting speed and final machining time, the three layers coated carbide achieved the best result. The factorial analysis of variance demonstrated a significant effect of machining time on the coefficient of volumetric dimension of Resultant Cutting Force, while the material insert factor and their interaction, for intermediate Cutting speed was just significant.En este trabajo se aborda el estudio experimental de la evolución de la fuerza de corte Resultante de dos insertos de carburo recubierto y un cermet, durante el torneado en seco del acero AISI 1045 con velocidades de corte de 400, 500 y 600 m/min . Se introduce, además, un nuevo criterio para el estudio del rendimiento de las operaciones de mecanizado: el coeficiente de dimensión volumétrica de la fuerza de corte. La investigación mostró un mejor rendimiento del cermet para la velocidad de corte moderada e intermedia, mientras que para la alta velocidad de corte y tiempo final de mecanizado, el mejor resultado fue para el carburo recubierto con tres capas. El análisis de varianza factorial demostró un efecto significativo del tiempo de mecanizado en el coeficiente de dimensión volumétrica de la fuerza de corte Resultante, mientras que la variable material del inserto y su interacción, fue solo significativa para la velocidad de corte intermedia
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Estudio del rendimiento del torneado de alta velocidad utilizando el coeficiente de dimensión volumétrica de la fuerza de corte Resultante
'Editorial CSIC', 2013Co-Authors: Hernández-gonzález L. W., Pérez-rodríguez R., Siller-carrillo H. R., Zambrano Robledo, Patricia Del Carmen, Toscano-reyes H.Abstract:RESUMEN En este trabajo se aborda el estudio experimental de la evolución de la fuerza de corte Resultante de dos insertos de carburo recubierto y un cermet, durante el torneado en seco del acero AISI 1045 con velocidades de corte de 400, 500 y 600 m/min . Se introduce, además, un nuevo criterio para el estudio del rendimiento de las operaciones de mecanizado: el coeficiente de dimensión volumétrica de la fuerza de corte. La investigación mostró un mejor rendimiento del cermet para la velocidad de corte moderada e intermedia, mientras que para la alta velocidad de corte y tiempo final de mecanizado, el mejor resultado fue para el carburo recubierto con tres capas. El análisis de varianza factorial demostró un efecto significativo del tiempo de mecanizado en el coeficiente de dimensión volumétrica de la fuerza de corte Resultante, mientras que la variable material del inserto y su interacción, fue solo significativa para la velocidad de corte intermedia. ABSTRACT This work deals with the experimental study of the Resultant Cutting Force evolution of two coating carbide and a cermet inserts, during the dry turning of AISI 1045 steel with 400, 500 and 600 m/min Cutting speeds. A new criterion for machinability study, the coefficient of volumetric dimension of Cutting Force, it is introduced. The investigation showed a better performance of cermet for moderate and intermediate Cutting speeds, while at high Cutting speed and final machining time, the three layers coated carbide achieved the best result. The factorial analysis of variance demonstrated a significant effect of machining time on the coefficient of volumetric dimension of Resultant Cutting Force, while the material insert factor and their interaction, for intermediate Cutting speed was just significant
A. Chukwujekwu Okafor - One of the best experts on this subject based on the ideXlab platform.
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Development of a mechanistic Cutting Force model for wavy-edge bull-nose helical end-milling of inconel 718 under emulsion cooling strategy
Applied Mathematical Modelling, 2016Co-Authors: A. Chukwujekwu Okafor, Abdulhakim Ali SultanAbstract:This paper presents the results of the development of a mechanistic Cutting Force model to predict Cutting Forces in high-speed end-milling of Inconel 718 using a wavy-edge, bull-nose, helical endmill (which hereafter will be abbreviated as WEBNHE). The model incorporates the effects of emulsion cooling strategy into the mechanistic Cutting Force model through the experimental determination of six specific Cutting Force and edge Force coefficients. The Cutting Force is predicted as three components (Fx, Fy, and Fz) and the Resultant Cutting Force FR. The mechanistic Cutting Force model depends on a mathematical model to represent the geometry of this endmill, which is also developed in this research. The mechanistic model also depends on three Cutting Force coefficients in the tangential, radial, and axial directions (ktc, krc, kac, respectively), and on three edge Force coefficients (kte, kre, kae), also in the tangential, radial, and axial directions. These coefficients are determined experimentally in a separate work in which "emulsion" was applied as the cooling strategy. MATLAB codes were developed and used to simulate the developed mathematical and mechanistic Cutting Force models. Finally, to validate the mechanistic Cutting Force model, machining experiments were conducted and real Cutting Force components were measured and compared with the predicted Cutting Force components. The predicted values agree fairly well with the experimentally measured values in both magnitude and shape. The percentage of the prediction error for the highest peak Force magnitudes at 93 rpm were 11.38%, -0.46%, and 11% for the Fx, Fy, and Fzcomponents respectively, while the percentage prediction error for the lowest Cutting Force magnitudes are 15.25%, 17.84%, and 10% for Fx, Fy, and Fzcomponents respectively. The developed mechanistic Cutting Force model can be used to investigate the effect of tool geometry and machining parameters on Cutting Forces, machining power, machine tool vibration, and to simulate the end-milling process to improve machinability and productivity, and also to understand more fully the end-milling process using WEBNHE.