Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Mohammad Javad Nategh"'
Autor:
Naser Mohammadi, Mohammad Javad Nategh
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 121:7451-7462
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
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...
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
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
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
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
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
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
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