RANCANG BANGUN MESIN LASER ENGRAVER DENGAN MICROCONTROLLER ARDUINO

SETIAWAN, CHOIRUR RIZA (2021) RANCANG BANGUN MESIN LASER ENGRAVER DENGAN MICROCONTROLLER ARDUINO. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Along with advances in science and technology, laser applications have been widely used in various fields. Laser processing applications can include laser engraver, laser marking and laser cutting. Laser engraver application in materials is a technology that has been widely used, especially in the manufacturing process. The advantages of laser engraving technique compared to conventional methods are better work accuracy, more precise engraving process, because it is controlled automatically using a computer numerical control (CNC) system. The speed of the laser movement affects the roughness of the engraved result on the work surface and the size accuracy. So that by using the right parameters on a type of material, it can reduce losses due to defects or damage that will arise in the laser engraving process. Research by testing the accuracy of size, analyzing the results of laser engraving is needed to get maximum results. Based on the experimental results, it is found that the best settings to produce optimum accuracy are on RPM 10 and PWM 250. Keywords: Engraver, precission, CNC, RPM, PWM Seiring dengan kemajuan ilmu pengetahuan dan teknologi, pengaplikasian laser telah banyak digunakan dalam berbagai bidang. Penerapan laser processing dapat berupa laser engraver, laser marking dan laser cutting. Aplikasi laser engraver pada material merupakan teknologi yang telah banyak digunakan, khususnya dalam bidang proses manufaktur. Keunggulan teknik engraving dengan menggunakan laser dibanding dengan metode konvensional adalah ketepatan pengerjaan lebih baik, proses engraving lebih presisi, karena dikontrol secara otomatis menggunakan sistem computer numerical control (CNC). Kecepatan gerak laser berpengaruh pada kekasaran hasil engraving pada permukaan bidang kerja dan ketepatan ukuran. Sehingga dengan menggunakan parameter yang tepat pada suatu jenis material, maka dapat mengurangi kerugian akibat cacat atau kerusakan yang akan timbul pada hasil proses laser engraving. Penelitian dengan pengujian ketepatan ukuran, menganalisa hasil laser engraving sangat diperlukan untuk mendapatkan hasil yang maksimal. Berdasarkan hasil percobaan didapatkan pengaturan terbaik untuk mendapatkan hasil grafir yang optimal adalah pada RPM 10 dan PWM 250. Kata kunci : Engraver, presisi, CNC, RPM, PWM

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