Abstract
AbstractHeating by friction is the way to create a circular hole in a workpiece sheet. It is a novel method based on the hot forming principle. The method involves the piercing of sheet metal with a conical tool rotation. The heat created by the friction force induced by axial and rotary forces on the workpiece material softens the workpiece and makes the tool penetrate and deform the workpiece to a bushing shape in a single phase without creating chips. This article examines the influence of the different friction angle of different friction drill bit used for friction drilling, also called the thermal drilling process. Measurement of temperature and deformation of the workpiece material is challenging in the friction drilling process. There is a generation of very high thermal energy due to frictional forces; hence, modeling and simulation become essential for analyzing the material flow. Explicit dynamic analysis of tungsten carbide tool in friction drilling and AA6061-T6 as workpiece using ABAQUS/EXPLICIT software is examined in this research paper. The influence of different friction angles was studied to analyze temperature, workpiece deformation, and force and torque effect. Increasing the friction angle was shown to raise the axial thrust force and torque, but it reduced the temperature of the hole zone and the work material deformation.KeywordsFinite element methodFriction angleThrust forceTemperatureDeformation
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