PROGRAM - Produits et Recherche d'Outils Géométriques et Réalisations en Atelier Mécanique SA

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Modeling and Simulation of Energy Efficient Milling Process Plans for Prismatic Parts

The milling process has been continuously optimized from many aspects: forces, velocities, stability, quality. Numerous papers have been published that report results in the domain of toolpath optimization with criteria such as raising the quality of the m ...

EPFL2012

Part Programming to Realize Chatter Free and Efficient High Speed Milling

Saurabh Aggarwal

High speed milling (HSM) is the most known machining process due to its application in various industries. In milling, a rotating cutting tool removes a large amount of material along a predefined toolpath to manufacture the final part with a desired shape ...

EPFL2012

Selection of Optimal Cutting Conditions for Pocket Milling Using Genetic Algorithm

Paul Xirouchakis, Saurabh Aggarwal

Pocket milling is the most known machining operation in the domains of aerospace, die and mold manufacturing. In the present work, GA-OptMill, a Genetic Algorithm (GA) based optimization system for minimization of pocket milling time, is developed. A wide ...

Springer London Ltd2013

Optimal selection of cutting parameters in multi-tool milling operations using a genetic algorithm

Paul Xirouchakis, Jitender Kumar Rai, Mohammed Slama, Daniel Brand

In the milling of large monolithic structural components for aircraft, 70-80% of the total cut volume is removed using high-speed roughing operations. In order to achieve the economic objective (i.e. optimal part quality in minimal machining time) of this ...

Taylor & Francis2011

Evaluating the use phase energy requirements of a machine tool system

Paul Xirouchakis

This paper has an energy consumption reduction perspective by considering alternative machining strategies and system components interactions translated into variable and constant power flows with respect to various use phase regimes of a machine tool syst ...

Elsevier2011

Machine Tool Use Phase : Modeling and Analysis with Environmental Considerations

Ioan Oliver Avram

This thesis is motivated from the fundamental decision problem in today's manufacturing industry which could be summarized as one simple question: how is it possible to achieve economic growth by taking advantage of the latest technologies while protecting ...

EPFL2010

Modal Identification and Modeling of Bearings for Very High-Speed Rotors

Grégoire Dormond

Rotor-bearing systems take an important place in engineering applications and are used in many industrial systems: gas turbines, compressors, jet engines, machine-tool spindles, etc. The spindle is an essential component of manufacturing systems involving ...

EPFL2010

NC tool path evaluator and generator for high speed milling

Sandeep Dhanik

Milling is a most common type of material removal process by rotating tools to create a variety of features on a part. The material is removed in a controlled way by sweeping a rotating cylindrical tool along the specific trajectory known as milling tool p ...

EPFL2009

FEM-MILL: a finite element based 3D transient milling simulation environment for process plan verification and optimization

Jitender Kumar Rai

The rigid body motion of thin walled parts and their elastic-plastic deformations induced during high speed milling are the main root causes of part geometrical and dimensional variabilities; these are governed mainly from the choice of process plan parame ...

EPFL2008

Tool Path Generation and Post-Processor Issues in Five-Axis High Speed Machining of Hydro Turbine Blades

François Avellan, Christophe Tournier

This paper deals with 5-axis milling of hydraulic blades. The issue developed is essentially linked to problems due to the transition from 3 to 5 axes. A specific attention is done to the Inverse Kinematics Transformation (IKT) which can be source of incoh ...

2006

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