Mechanical study in drilling of heat resistant austenitic stainless steel
TypeCommunications avec actes
Machining of difficult-to-cut-materials like heat resistant stainless steels leads to the rapid tool wear and tool failure. The analysis of drilling process of these steels is even more difficult as it is not easy to investigate the cutting process at the drill tip. Therefore for this critical operation, modelling of cutting forces is very important. The study of the mechanical loading is based on the cutting tool geometry variation along the cutting edge. This study aims to investigate the drilling of heat resistant stainless steels with two geometries of twist drills, by analyzing specific cutting energy and forces at a global and a local scale.
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LAZOGLU, Ismaïl; POULACHON, Gérard; RAMIREZ, Christophe; AKMAL, Mohammad; MARCON, Bertrand; ROSSI, Frédéric; OUTEIRO, José; KREBS, Michael (Elsevier, 2017)Ti-6Al-4V is commonly used especially in aerospace and biomedical industries. This alloy is known as a difficult-to-cut material. Due to its poor thermal properties, the heat generated during machining processes traps near ...
Experimental Investigation and Modelling of Burr Formation during Orthogonal Cutting of A356+0.5Cu Aluminium Alloy RÉGNIER, Tristan; FROMENTIN, Guillaume; OUTEIRO, José; MARCON, Bertrand; D'ACUNTO, Alain; CROLET, Arnaud (2016)Burr formation during parts manufacturing is a significant problem that companies try to minimise or eliminate. The present work aims to study the burr formation mechanisms in a cast aluminium alloy. Orthogonal cutting ...
Etude de la formation des bavures en coupe orthogonale à l’outil carbure dans un alliage d’Aluminium – Silicium. RÉGNIER, Tristan; FROMENTIN, Guillaume; OUTEIRO, José; MARCON, Bertrand; D'ACUNTO, Alain; CROLET, Arnaud (2016)Le but de cet article est d’étudier l’influence des paramètres de coupe sur la formation des bavures en coupe orthogonale. Pour ce faire, une étude en rabotage est réalisée avec des plaquettes carbures, sur un alliage ...
Phenomenological study of multivariable effects on exit burr criteria during orthogonal cutting of AlSi alloys using principal components analysis RÉGNIER, Tristan; FROMENTIN, Guillaume; D'ACUNTO, Alain; OUTEIRO, José; MARCON, Bertrand; CROLET, Arnaud (ASME American Society of Mechanical Engineers, 2018)During machining, burrs are produced along a part’s edges, which can affect a final product lifetime or its efficiency. Moreover, time-consuming and expensive techniques are needed to be applied to remove such burrs. ...
Phenomenological study of chip flow/formation and unified cutting force modelling during Ti6Al4V alloy turning operations CHÉRIF, Iheb; DORLIN, Théo; MARCON, Bertrand; FROMENTIN, Guillaume; KARAOUNI, Habib (Elsevier, 2018)Mechanistic approach for prediction of cutting forces are showing limits when it comes to enhance the cutting force modelling for specific applications of high-value added and thin parts, which are made of difficult-to-cut ...