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research-article

Technological assurance of high-efficiency machining of internal rope threads on CNC milling machines

[+] Author and Article Information
Anna Neshta

Sumy State University, Faculty of Technical Systems and Energy Efficient Technologies, 2 Rymskogo-Korsakova St., Sumy, 40007, Ukraine
anna.neshta@i.ua

Dmytro Kryvoruchko

Sumy State University, Faculty of Technical Systems and Energy Efficient Technologies, 2 Rymskogo-Korsakova St., Sumy, 40007, Ukraine
dmytro.kryvoruchko@gmail.com

Michal Hatala

Technical University of Kosice, Faculty of Manufacturing Technologies with a seat in Presov, 1 Bayerova St., Presov, 08001, Slovak Republic
michal.hatala@tuke.sk

Vitalii Ivanov

Sumy State University, Faculty of Technical Systems and Energy Efficient Technologies, 2 Rymskogo-Korsakova St., Sumy, 40007, Ukraine
ivanov@tmvi.sumdu.edu.ua

Frantisek Botko

Technical University of Kosice, Faculty of Manufacturing Technologies with a seat in Presov, 1 Bayerova St., Presov, 08001, Slovak Republic
frantisek.botko@tuke.sk

Svetlana Radchenko

Technical University of Kosice, Faculty of Manufacturing Technologies with a seat in Presov, 1 Bayerova St., Presov, 08001, Slovak Republic
svetlana.radchenko@tuke.sk

Dusan Mital

Technical University of Kosice, Faculty of Manufacturing Technologies with a seat in Presov, 1 Bayerova St., Presov, 08001, Slovak Republic
dusan.mital@tuke.sk

1Corresponding author.

ASME doi:10.1115/1.4039062 History: Received July 26, 2017; Revised November 28, 2017

Abstract

The analysis of various methods of machining of rope internal thread IS? 10208, DIN 20317 has been carried out and the criteria of high-efficiency machining have been formulated. The concept of the method has been developed, which supposes the designing of the construction of non-core tool and the calculation of the parameters of mechanical trajectory with the purpose of ensuring the machining per one pass on the CNC milling machine. The compensation procedure of dimensional wear of insert has been developed. While the machining of the production batch of the parts in an experimental way, the optimum cutting conditions has been determined which allow ensuring the maximum efficiency on reaching the required roughness and the dimensional accuracy of the profile of rope thread. The performed statistical analysis of the machined parts allowed to establish that dispersions of the actual values of profiles' roughness follow Gauss' Law. In an experimental way has been proved that the application of the proposed method increased the efficiency of machining of the internal rope thread by 2,5 times. On the basis of comparison of engineering-and-economical performance, the efficient fields of application of high-efficient method of machining of the rope threads have been determined.

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