Linear motion error evaluation of open-loop cnc milling using a laser interferometer

• Autorzy: Winarno Agustinus , Prayoga Benidiktus Tulung , Hendaryanto Ignatius Aris

Identyfikatory

DOI

10.2478/ama-2022-0016

• Języki publikacji: EN

Abstrakty

EN

The usage of computerised numerical control (CNC) machines requires accuracy verification to ensure the high accuracy of the processed products. This paper introduces an accuracy verification method of an open-loop CNC milling machine using a fringe counting of He–Ne laser interferometry to evaluate the best possible accuracy and functionality. The linear motion accuracy of open-loop CNC milling was evaluated based on the number of pulses from the controller against the actual displacement measured by the He–Ne fringe-counting method. Interval distances between two pulses are also precisely measured using the He–Ne interferometry. The linear motion error and controller error can be simultaneously evaluated in sub-micro accuracy. The linear positioning error due to the micro-stepping driver accuracy of the mini-CNC milling machine was measured with the expanded uncertainty of measurement and was estimated at 240 nm. The experimental results show that linear motion error of the open-loop CNC milling can reach up to 50 μm for 200 mm translation length.

Słowa kluczowe

EN

accuracy; micro-stepping driver; CNC; milling; machine; interferometry; open loop

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2022
• Tom: Vol. 16, no. 2
• Strony: 124--129
• Opis fizyczny: Bibliogr. 27 poz., rys., tab., wykr.

Twórcy

autor

Winarno Agustinus

• Department of Mechanical Engineering, Vocational School, Universitas Gadjah Mada, Jl. Yacaranda Sekip Unit IV, Yogyakarta 55281, Indonesia

• https://orcid.org/0000-0001-7134-1142

autor

Prayoga Benidiktus Tulung

• Department of Mechanical Engineering, Vocational School, Universitas Gadjah Mada, Jl. Yacaranda Sekip Unit IV, Yogyakarta 55281, Indonesia

• https://orcid.org/0000-0002-0054-1777

autor

Hendaryanto Ignatius Aris

• Department of Mechanical Engineering, Vocational School, Universitas Gadjah Mada, Jl. Yacaranda Sekip Unit IV, Yogyakarta 55281, Indonesia

• https://orcid.org/0000-0003-0204-8406

Bibliografia

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Uwagi

This research is funded by Ministry of Education and Culture of the Republic of Indonesia, by Research Grants of Penelitian Terapan Unggulan Perguruan Tinggi (PTUPT) 2020 (No. 1871/UN1/DITLIT/DIT-LIT/PT/2020). The authors are grateful to Sus Lasiyah for the prepare the mini CNC milling