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All Journal Jurnal Elementer (Elektro dan Mesin Terapan) JTTM: Jurnal Terapan Teknik Mesin
Agus Wijianto
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Aerospace Engineering Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering

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Analisa Getaran Mesin Milling Vertikal 1108 Terhadap Pengaruh Variasi Kedalaman Potong Jupri Yanda Zaira; Agus Wijianto
Jurnal Elektro dan Mesin Terapan Vol. 6 No. 1 (2020): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (393.024 KB) | DOI: 10.35143/elementer.v6i1.3436

Abstract

Rotating machines such as milling machines have spindle motor and feeding motor which can cause vibrations due to the rotation of the two motors. Apart from the vibrations of the two motors, the work piece eating process also greatly influences the level of vibration that occurs. In this research, milling machine number 1108 is used in the Caltex Riau Polytechnic Production Laboratory (PCR), and a face feeding process is used using three variations in cutting depth, namely 0.5 mm, 1 mm, and 1.5 mm, with each 15 data were taken in the time domain range of 4 seconds, besides the cutter used was a cutter end mill with a diameter of 30 mm. In knowing the level of vibration that occurs using vibration tester measuring instrument type VM-6370 which is owned by the PCR Production Machinery Laboratory. To test the vibrations generated, the position of the probe on the vibration tester is affixed to the workpiece when the feeding process occurs. Vibration results obtained in the form of displacement, velocity, and acceleration with three measurement directions, namely vertical, horizontal, and axial direction which are then analyzed so that the data obtained in the form of amplitude. From the research that has been done, it is obtained that the vibration results in the form of the largest amplitude in the axial direction with a cutting depth of 1.5 mm of feed is 0.164 mm.
Rancang Bangun dan Alat Bantu Pengepres Kulit Untuk Alat Musik Khas Riau (Kompang) Novison, Roni; Amnur Akhyan; Agus Wijianto
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 9 No 2 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i2.5929

Abstract

One of the traditional musical instruments originating from Riau Province which is made of wood and leather is the kompang. The process of making kompang is still done conventionally so that the time needed in the process of making Kompang is getting longer. Because of that, a tool for pressing Kompang skin was designed using the pulling method using 12 hooks. In the withdrawal process using the pressure generated from the hydraulic jack which has a load of 5 Tons. After carrying out several comparative tests between kompang produced by UMKM and produced with the Kompang skin pressing tool, we obtained data such as processing time and sound intensity on Kompang. The conventional process of making Kompang obtained data for processing time of 141.8 minutes while using a leather press tool is 28.4 minutes. The time difference between the conventional manufacturing process and the manufacturing process using a Kompang skin pressing tool is 113.4 minutes faster. The next data obtained is that the average sound intensity in conventionally produced Kompang (MSMEs) is 93.9 dB. At the Kompang sound intensity produced with the Kompang skin pressing tool is 105.8 dB. It can be concluded that the sound intensity obtained in Kompang which is produced with the Kompang skin pressing tool is higher than Kompang which is produced using conventional methods. Keywords: Kompang, UMKM, Press tools
Experimental study of the strength of straw rope as a material for making mattresses Agus Wijianto; Ma'a, Mustaza; M Ghifari Hadi; Roni Novison
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 2 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i2.1376

Abstract

This experimental study thoroughly investigates the impact of soaking straw ropes using three different liquids oil, urea, and salt, on tensile strength and other mechanical properties. The experiment involved meticulously prepared straw rope samples, each with standardized diameter and length, subjected to rigorous testing using a tensile testing machine to gather precise and reliable data. The empirical results revealed significant differences in tensile strength, strain, and elastic modulus among the samples, largely influenced by the type of soaking liquid used during the testing phase. Straw ropes immersed in oil exhibited the highest tensile strength and strain before fracture, followed closely by ropes soaked in urea and salt, while ropes treated with starch showed the least enhancement in mechanical properties. This comprehensive examination provides profound insight into the behavior and characteristics of straw ropes when exposed to various soaking liquids, highlighting the potential modifications in their mechanical performance. The findings contribute valuable knowledge for practical applications in industries such as construction, agriculture, and other sectors where straw ropes are employed as a material requiring specific mechanical attributes. Moreover, this research underscores the importance of selecting appropriate soaking liquids to enhance the mechanical properties of straw ropes, offering a foundation for future studies and practical implementations aimed at optimizing the use of straw ropes in various applications. By elucidating the effects of different soaking treatments, this study not only advances the understanding of straw rope mechanics but also presents actionable information to improve material performance in real-world scenarios.
Co-Authors Amnur Akhyan Jupri Yanda Zaira M Ghifari Hadi Ma'a, Mustaza Novison, Roni Roni Novison