Paper Titles
Committees and Sponsors / Preface
A Lagrangian FEM Model to Produce Saw-Toothed Macro-Chip and to Study the Depth of Cut Influence on its Formation in Orthogonal Cutting of Ti6Al4V
p.3
3D Modelling and Simulation of Gun Drilling
p.12
Investigation of the Machining Behavior of Metal Matrix Composites (MMC) Using Chip Formation Simulation
p.20
Computational Study of Ultrasonically-Assisted Turning of Ti Alloys
p.30
Simulation of Multiple Chip Formation when Broaching SAE 5120 Low Alloy Steel
p.37
3D-FEM Modeling of Gear Skiving to Investigate Kinematics and Chip Formation Mechanisms
p.46
Predictive Modeling for Distortion in Large, Thin-Walled Machined Components
p.56
Modeling of Cutting Process with Cutter Axis Inclination
p.66

3D Modelling and Simulation of Gun Drilling

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Abstract:

The main objective of this paper is the development and validation of a three dimensional thermomechanically coupled finite element model for gun drilling AISI 4150 quenched and tempered steel. The Lagrangian formulation proposed in the FE code DEFORM 3DTM and the constitutive Johnson-Cook material model were utilized to simulate the chip formation and to predict the cutting reaction forces as well as the temperature in gun drilling process using carbide gun drills with two different diameters. During gun drilling simulation, modified gun drill cutting edge rounding and friction law are performed to investigate the effect of tool wear and lubrication on feed force and torque respectively. Experimental gun drilling tests were carried out in steel AISI 4150 for the validation of the developed 3D FE model. The developed and validated 3D FE model can be used for optimizing the cutting process in gun drilling (good surface finish and straightness) taking into account the complex gun drill geometry, cutting conditions, heat transfer and the thermo-mechanical behaviour of the workpiece material.

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Periodical:

Advanced Materials Research (Volume 223)

Pages:

12-19

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.223.12

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Cite this paper

Online since:

April 2011

Authors:

Fritz Klocke, Mustapha Abouridouane, Klaus Gerschwiler, Dieter Lung

Keywords:

Deform 3DTM, FE Modeling, Gun Drilling, Johnson-Cook, Steel AISI 4150

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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