Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Mohammad Javad Nategh"'
Autor:
Davoud Karimi, Mohammad Javad Nategh
Publikováno v:
Journal of Applied Mathematics, Vol 2011 (2011)
Both the forward and backward kinematics of the Gough-Stewart mechanism exhibit nonlinear behavior. It is critically important to take account of this nonlinearity in some applications such as path control in parallel kinematics machine tools. The no
Externí odkaz:
https://doaj.org/article/69bf4c13fc364686a6be5aa1cf1d4c3c
Autor:
Naser Mohammadi, Mohammad Javad Nategh
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 121:7451-7462
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f55e07a4771cb34e10ac135956c4c9f5
https://doi.org/10.1007/s00170-022-09839-0
https://doi.org/10.1007/s00170-022-09839-0
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 236:1782-1792
The machining of porous materials is commonly accompanied with high and irregular cutting forces, high cutting temperature, poor surface integrity, and severe tool wear. The porous materials are considered difficult to be machined. Porosity reduces t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a4003d10e97de7be966ab9e80d7d91a
https://doi.org/10.1177/09544054221093299
https://doi.org/10.1177/09544054221093299
Autor:
Mohammad Javad Nategh, D. Manafi
Publikováno v:
International Journal of Production Research. 59:2647-2666
In the conventional setup planning methods, the required fixtures are planned in a sequential order relative to other activities of the setup planning. In the present study, a new approach has been...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29a0568144123dce4063bfa03d1fe869
https://doi.org/10.1080/00207543.2020.1736357
https://doi.org/10.1080/00207543.2020.1736357
Autor:
Davood Manafi, Mohammad Javad Nategh
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 234:1057-1068
One of the main objectives of computer-aided process planning is to determine the optimum machining sequences and setups. Among the different methods to implement this task, it can be named the constrained optimization algorithms. The immediate drawb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57d9a1a52efae40424e6c9783bec244b
https://doi.org/10.1177/0954405419896118
https://doi.org/10.1177/0954405419896118
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. :095440622311537
The dynamic stability of machining processes is influenced by the dynamic stability of the workpiece and fixture assembly. This effect has not yet been sufficiently considered. Achieving dynamic stability by simply applying a large amount of clamping
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fdf7ea11bd8df37913192c6deb491d4
https://doi.org/10.1177/09544062231153749
https://doi.org/10.1177/09544062231153749
Autor:
Mohammad Javad Nategh, Hadi Parvaz
Publikováno v:
Computer-Aided Design. 104:1-14
Development of an efficient computer-aided platform for fixture design requires intelligent algorithms to be developed as decision making tools for different designing functions. Locating system design is among the representative fixture design funct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::734aaaba0545e7981c594083b244bbe2
https://doi.org/10.1016/j.cad.2018.04.004
https://doi.org/10.1016/j.cad.2018.04.004
Publikováno v:
Precision Engineering. 54:99-106
Deformation of workpiece causes diametrical error in the turning process. In order to analyze the diametrical error, a model of elastic deformation of workpiece is required. In this article, an efficient elastic deformation model is developed by usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaa95719eb672a910cb1c5a95882eec5
https://doi.org/10.1016/j.precisioneng.2018.05.006
https://doi.org/10.1016/j.precisioneng.2018.05.006
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 19:463-471
Accuracy is greatly affected by the nonlinear motion of hexapods. This need is more apparent when these mechanisms are employed in machining industry where precision and surface qualities are of critical importance. In this paper, a comprehensive alg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::708000ce4e50c5c3a8b8a39cdb3d4ea8
https://doi.org/10.1007/s12541-018-0056-5
https://doi.org/10.1007/s12541-018-0056-5
Autor:
Hadi Parvaz, Mohammad Javad Nategh
Publikováno v:
Computer-Aided Design. 95:52-61
The development of computer aided fixture design has already encountered numerous mathematical and technical challenges having hampered realization of automated design of fixturing system consisting of locating and clamping systems. This is more crit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1ef8d1e07ce7e3bcd3022914739ada0
https://doi.org/10.1016/j.cad.2017.10.003
https://doi.org/10.1016/j.cad.2017.10.003