Vol. 18 No. 2 (2019): Revista UIS Ingenierías
Articles

The roughness influenced by geometric factors in surface milling

Andrés Cifuentes
Universidad Nacional de Colombia
Ernesto Córdoba-Nieto
Universidad Nacional de Colombia

Published 2019-02-07

Keywords

  • experimental models,
  • ISV,
  • CAD/CAM,
  • DOE,
  • lead,
  • Tilt,
  • roughness
  • ...More
    Less

How to Cite

Cifuentes, A., & Córdoba-Nieto, E. (2019). The roughness influenced by geometric factors in surface milling. Revista UIS Ingenierías, 18(2), 121–130. https://doi.org/10.18273/revuin.v18n2-2019011

Abstract

By means of experimental, geometric models and in a simulated environment, the roughness values of third order deviations are determined. The simulation environment was developed from integration and simulated verification (ISV) in the CAD / CAM software NX 11. The geometric approaches are based on the analysis of point clouds.

Two experimental designs are carried out to determine the influence of the dynamic geometric factors defined as transverse advance (Ae), lead angle and tilt angle, with a flat tip milling tool. An experiment  is developed with the results of locating a zone of influence of the adjustment parameters and validating the precision of the simulated environment. For the second experiment, a factorial model   is presented for the factor with the greatest influence on roughness.

 As a result of the experimentation, an optimum value (minimum) of roughness is obtained, located in areas where the transversal advance is determinant and of high impact. The main angle has a moderate influence, and the angle is the factor of least influence. The values Roughness minima occur when the transverse advance is low, the angle is low, and the angle of inclination is high. The purpose of the method presented is to obtain a surface free space with the flat-tipped tool.

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