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Benidiktus Tulung Prayoga
Departemen Teknik Mesin Sekolah Vokasi Universitas Gadjah Mada, Indonesia
Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health

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Journal : Rekayasa Mesin

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Development of Accuracy Evaluation Method for Open Loop Educational CNC Milling Machine Winarno, Agustinus; Lasiyah, Sus; Tulung Prayoga, Benidiktus; Aris Hendaryanto, Ignatius; Sukidjo, Fransiskus Xaverius
Jurnal Rekayasa Mesin Vol 12, No 1 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.01.23

Abstract

The open-loop educational computer numerical control (CNC) milling machine requires accuracy verification in order to ensure its accuracy and functionality. In this paper, the new verification method is proposed based on the length measurement using the fringe counting of He-Ne laser interferometry. The ideal translation length is defined by the number of electric pulses generated by the micro-stepping driver, while the actual length is measured using He-Ne laser interferometry. In the experimental process, the data of the fringe pattern of the He-Ne laser and the number of electric pulses which drive the stepper motors were simultaneously acquired using an oscilloscope. Hence, the data has been analyzed to obtain the ideal and actual lengths by using an in-house program developed in Python. By comparing the actual translation and ideal length, the accuracy of the educational CNC milling machine has been evaluated to be 50 µm for the length up to 200 mm.
KINERJA SISTEM PENYAPU TIPE GUTTER BROOMS PADA PROTOTIPE KENDARAAN PENYAPU JALAN Aditya Bayu Pratama; Sugiyanto Sugiyanto; Radhian Krisnaputra; Benidiktus Tulung Prayoga; Yosephus Ardean Kurnianto Prayitno; Isworo Djati
Jurnal Rekayasa Mesin Vol. 14 No. 2 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i2.1288

Abstract

The performance of the gutter brooms sweeping system was studied by conducting an experimental sweeping test. The test is carried out by operating a sweeper system to sweep plastic, paper, and leaf waste. The test results show that at a broom rotation speed of 150,6 rpm, the sweeping of plastic obtained a 100% sweeping success rate with the three settings for the height of the broom, while the sweeping of leaf waste obtained a 100% sweeping success rate at the broom position ± 0 mm touching the road surface and the sweeping of paper waste obtained a 100% sweeping success rate at the broom position ± 15 mm pressing the road surface. The comprehensive system of the gutter brooms type of road sweeper vehicle prototype can show sweeping performance with a 100% success rate, although the success rate of the sweeping is uncertain for different sweeping situations.
EVALUATION OF GEOMETRIC ERROR OF CUSTOMIZED CNC MILLING MACHINE TOOLS ACCORDING TO ISO 10791-7 Prayoga, Benidiktus Tulung; Hendaryanto, Ignatius Aris; Winarno, Agustinus
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.1878

Abstract

Due to open technology, there exists an abundance of inexpensive information accessible for study. One such piece of information pertains to customization or do-it-yourself (DIY) CNC milling machines. However, customized milling machines often suffer from several limitations, including a lack of component dimension accuracy, inappropriate interaction between components, low rigidity, and control system problems, all of which can impact the cutting performance and accuracy of the workpieces. This study aimed to measure the extent of these impacts on the accuracy of the workpieces. The errors in customized CNC milling machines were identified using a ball-bar system and cutting tests conducted according to ISO standards. The results of this study concluded that improvements must be made to the interaction between machine components to reduce geometric errors to levels acceptable according to standards. This customized CNC milling shows promise for machining workpieces with an accuracy of ± 0.2 mm.
Co-Authors A.A. Ketut Agung Cahyawan W Aditya Bayu Pratama Agustinus Winarno Agustinus Winarno Aji, Angga Prasetio Albertus Deny Heri Setyawan Apriawan Nur Huda Aprilia Erryani Arfan Fadilah Ariani Pradhita Putri Bahari, Galuh Budi Basuki Cahya Sutowo Dian Permata Sari Fadilah, Arfan Felixtianus Eko Wismo Winarto Fendy Rokhmanto Galih Senopati Galuh Bahari Handoko, Handoko Heribertus Dedy Kusuma Yulianto Ignatius Aris Hendaryanto Ika Kartika Isworo Djati Julita Hendrartini Kusuma, Samuel Surya Lasiyah, Sus Made Subekti Dwijaya Malau Daniel Panghihutan Margareta Rinastiti Pramudita Januarki Prihadianto, Braam Delfian Radhian Krisnaputra Rini Dharmastiti Sugiyanto Sugiyanto Sukidjo . Suyitno Suyitno Widia Setiawan Winarno, Agustinus Yosephus Ardean Kurnianto Prayitno