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Prediction method of input parameters impacting of dimensional accuracy of high aspect ratio holes obtained by using EDD
Author(s): M. Machno; A. Matras
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Paper Abstract

This paper deals with the optimization of technological parameters (such as discharge voltage, current amplitude, time of impulse) to improve a dimensional accuracy of high aspect ratio holes obtained by using electrical discharge drilling (EDD). High aspect ratio holes characterize aspect ratio length to diameter of hole above 10 and diameter less than 1 mm. Due to drilling the holes included difficulties, especially in case applying difficult–to–machine materials as workpiece. In the first part of the article, based on the results analysis of experimental research, a mathematical model is developed. The second part of the study presents the results analysis of method prediction of selected process parameters which influence the technological factors such as linear tool wear, material removal rate and conicity angle.

Paper Details

Date Published: 6 November 2019
PDF: 8 pages
Proc. SPIE 11176, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2019, 111764Y (6 November 2019); doi: 10.1117/12.2536749
Show Author Affiliations
M. Machno, Cracow Univ. of Technology (Poland)
A. Matras, Cracow Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 11176:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2019
Ryszard S. Romaniuk; Maciej Linczuk, Editor(s)

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