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All Journal JURNAL INTEGRASI Journal of Applied Mechanical Technology (JAMET)
Dzulfiqar, Mohamad Alif
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Aerospace Engineering Automotive Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Perbandingan Variasi Power Dalam Proses Laser Engraving Terhadap Hasil Produk Stainless Steel Purba, Adi Syahputra; Hermawan, Muhammad Ghandy Razzaki; Manurung, Meilani Mandhalena; Stefani, Windy; Dzulfiqar, Mohamad Alif; Gunawan, Leo Van
Journal of Applied Mechanical Technology Vol 2 No 1 (2023): Journal of Applied Mechanical Technology (JAMET)
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (808.105 KB) | DOI: 10.31884/jamet.v2i1.29

Abstract

Marking machining processes using lasers have developed in the industrial world. Having high precision and good final quality is one of the advantages of this laser machine. There is a thermal effect generated in the process, so we must understand the impact of the power applied to the material. Carry out the laser marking process with the engraving method on a stainless steel plate material which is given a variation of strength to observe the difference in the final result of a marking. Make as many as 3 pcs of products for each variation of power parameters. The product that has been produced will also be observed for surface roughness on the marking, which aims to find out how deep the food is from the marking. Observation of the surface roughness of the marking on the product using the Surface Roughness Tester 3 times for each product. The results of the data that have been taken will only be observed and entered into the marking results into the roughness class according to ISO or DIN 4763:1981. The marking process uses power variations of 20%, 40%, 60%, 80% and 100%. The results of the marking with the lowest power of 20% produce markings with a roughness value of 0.029µm – 0.110µm and enter into class N3 while the results of marking with the greatest power of 100% obtain a roughness value of 18.210µm – 19.876µm which is included in the roughness class N10. Based on the data obtained in the engraving process with different power variations, it can be interpreted that the higher the power supplied, the higher the roughness value
Prototype Sistem Elevator Menggunakan Motor Stepper Berbasis Atmega 16 Wicaksono, Muhammad Jaka Wimbang; Diono, Diono; Sani, Abdullah; Dzulfiqar, Mohamad Alif; Budiana, Budiana; Aryeni, Illa; Oktani, Dessy; Kamarudin, Kamarudin; Futra, Asrizal Deri; Darmoyono, Aditya Gautama; Mahdaliza, Rahmi; Hasnira, Hasnira; Maulidiah, Hana Mutialif; Gusnam, Mu'thiana
JURNAL INTEGRASI Vol 15 No 2 (2023): Jurnal Integrasi - Oktober 2023
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v15i2.6058

Abstract

Elevator are one of the most important transportation these days. Elevator is a link in a tall building that has many floors. The role of the elevator which is always used by the public requires a high level of precision. In this study, researchers made a prototype elevator system using a stepper motor and obtained test results with a maximum error rate of 2% on the 10 cm elevator input using a ruler as a testing tool. The largest comparison of testing result using a ruler and using a rotary encoder is 0.2 cm or 2 mm at the 40 cm elevator input. The precision of the elevator prototype still can be improved by using half step mode when controlling the stepper motor.
Co-Authors abdullah sani, abdullah Aryeni, Illa Budiana, Budiana Darmoyono, Aditya Gautama Diono, Diono Futra, Asrizal Deri Gusnam, Mu'thiana Hasnira Hasnira, Hasnira Hermawan, Muhammad Ghandy Razzaki Kamarudin Kamarudin Leo Van Gunawan, Leo Van Mahdaliza, Rahmi Manurung, Meilani Mandhalena Maulidiah, Hana Mutialif Oktani, Dessy Purba, Adi Syahputra Stefani, Windy Wicaksono, Muhammad Jaka Wimbang