Research Article

Analysis of the Ability to Develop CNC Machine Part Programs for Vocational High School Students in Indonesia

Reynaldo Kurniawan
Universitas Negeri Yogyakarta, Indonesia
* Corresponding author
Bernardus S. Wijanarka
Universitas Negeri Yogyakarta, Indonesia
DOI icon 10.24018/ejedu.2023.4.4.715

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Submitted 2023-07-04
Published 2023-08-21

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Article Main Content

The aims of this study are (1) to analyze the effect of the ability to read technical drawings on the ability to make CNC program parts; (2) to analyze the effect of geometry skills on the ability to make CNC program parts; (3) to analyze the effect of cutting parameter knowledge on the ability to make CNC program parts; and (4) analyze the effect of the ability to read technical drawings, geometry skills, and knowledge of cutting parameters simultaneously on the ability to make CNC program parts. This research is quantitative correlational research. The subjects of the study were 360 students of SMK class XII in the field of Mechanical Engineering in the city of Palembang, Indonesia, using a random sampling technique by Isaac and Michael equations so that a total sample of 187 students was obtained. The data collection method uses the test method. The data analysis used is a correlational statistical analysis between the three dependent variables and one independent variable. The results of the study: (1) The ability to read technical drawings has a positive and significant effect on the ability to make CNC programs by 11.17%; (2) Geometry ability has no significant effect on the ability to make CNC programs; (3) Knowledge of cutting parameters has a positive and significant effect on the ability to make CNC programs by 75.36%; and, (4) the ability to read technical drawings, geometry skills, and knowledge of cutting parameters have a positive and significant effect on the ability to make CNC programs by 89.9%.

Keywords: CNC programs cutting parameters machine tools technical drawings vocational training

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