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Study and Modeling of Machining Errors on the NC Machine Tool

Rahou. Mohamed, Sebaa. Fethi, and Cheikh. Abdelmadjid
Department of Mechanical Engineering, University of Technology, Tlemcen, Algeria

Abstract—The precision exploits a central role the competition of the modern companies. In the field of manufacture, the realization of the parts is unit or in series with same precision i.e. with same dimensions is impossible. This inevitable inaccuracy is due to several factors such as the error of setting in position, the vibrations, the wear of the tool during machining, positioning of the stops. In the technical literature, these factors called dispersions of machinings and which are division in two dispersions, random dispersion and systematic dispersion. In this paper, we have done, as a first step, an experimental study to determine the influence of machining errors on the manufacturing tolerances. In the second step, we used the Lagrange method for modeling manufacturing errors, and finally we have proposed solutions for the optimization of these errors. 
Index Terms—errors, tolerance, manufacturing

Cite: Rahou. Mohamed, Sebaa. Fethi, and Cheikh. Abdelmadjid, "Study and Modeling of Machining Errors on the NC Machine Tool," International Journal of Mechanical Engineering and Robotics Research, Vol. 6, No. 1, pp. 54-57, January 2017. DOI: 10.18178/ijmerr.6.1.54-57