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

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...

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Bibliographic Details
Published in:International journal of automotive and mechanical engineering 2023-03, Vol.20 (1), p.10307-10321
Main Authors: Minh Ly Duc, Nguyen, Quang Sang, Bilik, Petr, Martinek, Radek
Format: Article
Language:English
Subjects:
Accuracy
Computer vision
Control systems
Design factors
Digital computers
Hole size
Machine tools
Machining
Machining centres
Mathematical analysis
Microprocessors
Numerical controls
Object recognition
Position measurement
Repair
Spindles
Vision systems
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Summary: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).
ISSN:2229-8649
2180-1606
DOI:10.15282/ijame.20.1.2023.12.0797