Results 21 to 30 of about 2,330,665 (285)

A Holistic Approach to Quantifying and Controlling the Accuracy, Performance and Availability of Machine Tools [PDF]

, 2010
With today’s ever increasing demand for improved accuracy and faster material removal rates, CNC machine tool manufacturers and users are under pressure to supply and maintain machinery with a high degree of accuracy and performance.
Longstaff, Andrew P., Fletcher, Simon, Willoughby, P, Verma, M   +3 more
core   +5 more sources

Improvement of machining accuracy for 3D surface machining with CNC lathe

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2018
The present paper describes a new non-axisymmetric curved surface turning (NACS-Turning) method. Fast tool servo (FTS) technology has been widely researched and developed. However, the movable range of the FTS is limited to a few millimeters owing to its
Keigo TAKASUGI, Yoshitaka MORIMOTO, Yoshiyuki KANEKO, Naohiko SUZUKI, Naoki ASAKAWA   +4 more
doaj   +1 more source

Numerical simulation of titanium alloy dry machining with a strain softening constitutive law [PDF]

, 2010
In this study, the commercial finite element software FORGE2005, able to solve complex thermo-mechanical problems is used to model titanium alloy dry machining.
CALAMAZ, Madalina, Madalina Calamaz, GIROT, Franck, Frank Girot, COUPARD, Dominique, Dominique Coupard   +5 more
core   +1 more source

Precision in the Mechanical Removal Processing of a Nanosheet by AFM Probe

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
This paper presents nano mechanical removal processing of a potassium niobate nanosheet with an atomic force microscope (AFM). In particular, we examined the control processing method for the direction of the nanosheet surface in order to attain a high ...
Kazuya DEMURA, Naoki WATANABE, Yuta OHKI, Tohru IHARA   +3 more
doaj   +1 more source

Experimental and numerical study of laser-assisted machining of Ti6Al4V titanium alloy [PDF]

, 2014
Laser-assisted machining combines several experimental parameters such as cutting speed, feed rate, depth of cut, laser power and distance between tool rake face and the laser beam axis.
GERMAIN, Guénaël, HAMDI, Hédi, AYED, Yessine, BEN SALEM, Wacef   +3 more
core   +1 more source

Modeling and Optimal Design of Machining-Induced Residual Stresses in Aluminium Alloys Using a Fast Hierarchical Multiobjective Optimization Algorithm [PDF]

, 2011
The residual stresses induced during shaping and machining play an important role in determining the integrity and durability of metal components. An important issue of producing safety critical components is to find the machining parameters that create ...
Yates, John R., Greene, Richard J., Boumaiza, Soufiene, Mahfouf, Mahdi, Zhang, Qian, de Leon, Luis, Richard J. Greene, Christophe Pinna, John R. Yates, Pinna, Christophe, Soufiene Boumaiza, George Panoutsos, Qian Zhang, Panoutsos, George, Mahdi Mahfouf, Luis de Leon   +15 more
core   +1 more source

Analysis and Research on an on-line measuring device for machining accuracy of parts used in NC machine tools [PDF]

MATEC Web of Conferences, 2022
The utility model relates to an on-line detection device for the machining accuracy of parts of a NC machine tool, which comprises a storage flat box, a reciprocating driving mechanism, an on-line detection assembly and a trigger probe.
Wan Zhiqiang, Zhang Qingqing
doaj   +1 more source

Degradation modes and tool wear mechanisms in finish and rough machining of Ti17 Titanium alloy under high-pressure water jet assistance [PDF]

, 2013
This article presents the results of an experimental study on the Ti17 titanium alloy, which was carried out to analyze tool wear and the degradation mechanisms of an uncoated tungsten carbide tool insert. Two machining conditions, roughing and finishing,
GERMAIN, Guénaël, FURET, Benoit, AYED, Yessine, AMMAR, Amine   +3 more
core   +1 more source

Pulse Width Tuning in Electrochemical Micro-Machining System

IEEE Access, 2020
In electrochemical micro-machining technology using ultra-short pulses, the machining accuracy is limited by pulse width of the power supply. Here, a mathematical model for tuning pulse width in electrochemical micro machining by means of differential ...
Chuanjun Zhao, Lizhong Xu
doaj   +1 more source

Optimization of hole making processes considering machining time and machining accuracy

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2017
In machining, hole-making process takes up large part of the manufacturing processes. In previous hole-making processes optimization researches, researcher considered machine tools to have movement control on 3-axis.
Eric H. GUIOTOKO, Hideki AOYAMA, Noriaki SANO   +2 more
doaj   +1 more source