Automated design and STEP-NC machining of impellers

Anbalagan Arivazhagan, N. K. Mehta, P. K. Jain

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper presents the four stage approach followed for automated design and STEP-NC based machining of impellers. In the first stage, the design calculations are performed to construct the 'Meridional representation' of the radial impeller. Then 3D curves are projected from the 'Meridional representation' and 3D model is generated using UG-NX software. In the second stage, the process planning activities including tooling & setup plan are completed. Here, ball end mill cutters with suitable diameter and length are selected and appropriate process parameters as suited to 5 axis milling are considered. In the third stage, the tool path data based on contour area milling is generated and verified in the UG NX software. Finally, in the fourth stage, the model with the complete data is imported to STEP-NC software and the AP-238 format is generated. In this article the design procedure adopted for construction of 'Meridional Section' of a radial turbine is discussed with the general methdology to automate the process planning and tool path generation. A test case of radial impeller is presented with the results obtained by adopting STEP-NC format.

Original languageEnglish
Title of host publicationProceedings of the 37th International MATADOR 2012 Conference
Pages57-60
Number of pages4
Publication statusPublished - 2013
Externally publishedYes
Event37th International MATADOR 2012 Conference - Manchester, United Kingdom
Duration: 25 Jul 201227 Jul 2012

Conference

Conference37th International MATADOR 2012 Conference
CountryUnited Kingdom
CityManchester
Period25/07/201227/07/2012

Keywords

  • CAPP
  • Impellers / blades
  • Modelling & automation
  • STEP-NC integration

ASJC Scopus subject areas

  • Mechanics of Materials

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