Optimized Design of Source Energy for Manufacturing Machine by Digital Numerical Control

Authors

  • Minh Ly Duc Faculty of Commerce, Van Lang University, 69/68 Dang Thuy Tram, Ward 13, Binh Thanh District, 70000 Ho Chi Minh City, Vietnam
  • Nguyen Quang Sang Faculty of Automotive Engineering, School of Engineering and Technology, Van Lang University, 69/68 Dang Thuy Tram, Ward 13, Binh Thanh District, 70000 Ho Chi Minh City, Vietnam
  • Petr Bilik Department of Cybernetics and Biomedical Engineering, VSB–Technical University of Ostrava, 17. Listopadu 15, 708 33 Ostrava, Czech Republic
  • Radek Martinek Department of Cybernetics and Biomedical Engineering, VSB–Technical University of Ostrava, 17. Listopadu 15, 708 33 Ostrava, Czech Republic

DOI:

https://doi.org/10.15282/ijame.20.1.2023.12.0797

Keywords:

Digital numerical control, Harmonic, Computer vision, Power quality, DMAIC

Abstract

The quality of the power supplied to the machining center is a key factor in determining the accuracy of the machine’s operation. The precision of the machining center is to ensure that the spindle accuracy is less than 3 microns. This study proposes a digital numerical control system to control the quality of the power supply and control the accuracy of the spindle axis of the machining center to monitor the measurement results in real time. The computer vision system is set up according to the artificial intelligent (AI) technique to recognize human face objects and control the position of the processor respectively on each line. The online measurement system follows the digital numerical control (DNC) system applied at each processing line, measuring product dimensions, measuring conditions for setting up machining tools, and measuring machine coordinates. The system operates fully automatically, eliminating dependence on operator skill, and facilitating operation in control of machining conditions. Improve machining center operator satisfaction. After implementation of the improvement options, total cost down 1.740 USD per year, the monthly repair cost due to broken drill, spindle alignment decreased from $5000 to $3,300 per month. The scrap rate related to the hole size decreased from 0.47% to 0.23% (cost down $35 per month). Downtime for repair reduced from 20 hours per month to 7.5 hours per month (cost down $10 per month). Broken drill rate was reduced from 0.20% to 0.06% (cost down $100 per month).

Author Biography

Minh Ly Duc, Faculty of Commerce, Van Lang University, 69/68 Dang Thuy Tram, Ward 13, Binh Thanh District, 70000 Ho Chi Minh City, Vietnam

Department of Cybernetics and Biomedical Engineering, VSB–Technical University of Ostrava, 17. Listopadu 15, 708 33 Ostrava, Czech Republic

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Published

2023-05-03

How to Cite

[1]
Ly Duc Minh, Nguyen Quang Sang, Petr Bilik, and Radek Martinek, “Optimized Design of Source Energy for Manufacturing Machine by Digital Numerical Control”, Int. J. Automot. Mech. Eng., vol. 20, no. 1, pp. 10307–10321, May 2023.

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