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All Journal Jurnal Teknik Mesin Jurnal Teknik Mesin Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer (JURITEK)
Rozi Saferi
Institut Teknologi Padang
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Jurnal Teknik Mesin

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Flying Time Of Quadcopter Based On Green Composites Material Mastariyanto Perdana; Nurzal; Syahrul Firdaus; Rozi Saferi
Jurnal Teknik Mesin Vol 8 No 2 (2018): Jurnal Teknik Mesin Vol.8 No.2 October 2018
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2018.v8.i2.73-77

Abstract

Application of green composites material is aerial egineering. Advantages of green composites material are lightweight and relatively strong. This reason that makes green composites can be applied in Unmanned Aerial Vehicle (UAV). In this study, material of quadcopter frame was composites material that made of waste material from styrofoam, bagasse and eggshell. Styrofoam was used as binder of composite material. Bagasse and eggshell was used as reinforcement in green composite material. The investigation focused on effect of volume fraction on flying time of quadcopter that made of green composites material. This study showed that addition of eggshell powder in composites up 25% by volume fraction, result in decreasing the flying time of quadcopter. Addition of eggshell powder in composites up 25% by volume fraction, result in decreasing the porous of green composite. Porous structure affect the flying time of quadcopter based on green composite materials that made of waste material from styrofoam, bagasse and eggshell. Green composite based on styrofoam, bagasse and eggshell can be applied in Unmanned Aerial Vehicle (UAV) materials.
Kinematic Design of Rice Seed Planting Tool Using Four Bars Linkage Mechanism Rozi Saferi; Asmara Yanto; M Aldi Putra
Jurnal Teknik Mesin Vol 11 No 2 (2021): Jurnal Teknik Mesin Vol.11 No.2 October 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2021.v11.i2.163-171

Abstract

Kinematics is the study of the relative motion of a component which includes the speed and acceleration of a machine without considering the causes of motion. The planting arm on the semi-mechanical rice seed planting tool works as a component of taking and planting rice into the soil. The planter arm is made using a four-bars linkage mechanism. The purpose of this research is to analyze the effect of kinematic parameters on the mechanism and to design the setting of planting depth by varying the length of the bars and calculating the speed and acceleration of the finger of the planter. The method used in this research is done analytically with GIM software application. The result of this research is the design of the dimensions of 4 bars linkage and the input value given to link 2 will affect the distance and depth of planting of rice using seed planting tool. Based on the dimensions and input values given, the planting depth is in the range of 83 mm so that it has met the required seedling planting criteria.
Experimental Study of Mechatronic System On Control of Air Flow Temperature Asmara Yanto; Adriyan Adriyan; Rozi Saferi; M. Hanif Al Hafizh
Jurnal Teknik Mesin Vol 12 No 1 (2022): Jurnal Teknik Mesin Vol.12 No.1 April 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i1.39-46

Abstract

In this work, an experimental study of a mechatronic system on control of airflow temperature has been conducted to identify the characteristics of the system. The system is tested by several reference temperatures from the monitor panel that programmed on the computer. The measurement of the output temperature by the sensor that is expected to be the same as the reference temperature is also displayed on the same monitor panel. While the measurement of AC power consumption by an actuator in the form of a heater is carried out by measuring the AC voltage on the heater during control. This voltage is measured with a computer-based oscilloscope. Based on the test results, with the initial temperature around the room temperature and reference temperature, the system time constant can be identified. This time constant value is obtained based on the output temperature graph which is identical to the first-order system response. Thus, this experimental study succeeded in identifying the characteristics of the system in the form of a time constant and the system was identified as identical to the first order system.
Analysis of Coupling Gear on Roller Press Cement Mill Sulaeman; Rozi Saferi; Ropi Apriadi
Jurnal Teknik Mesin Vol 12 No 2 (2022): Jurnal Teknik Mesin Vol.12 No.2 October 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i2.110-115

Abstract

This study aims to determine the causes of failure in the coupling gear, reduce or minimize damage that occurs in the coupling gear, determine the hardness of the coupling gear material, and to determine the level of wear and tear on the coupling gear. This research was conducted from July to October 2022, at PT. Semen Padang, ITP Mechanical Engineering Laboratory, FT-Unand Mechanical Engineering Metallurgical Laboratory. The test procedures used in this study are first to identify the damage, hardness testing on the coupling gear, wear testing on the coupling gear. After observing, the types of damage to the coupling gear are obtained, namely in the form of wear. The types of wear and tear on the coupling gear are scoring, plastic flow, and pitting. Based on the results of the hardness test on the first specimen, the average hardness was 41.1 HRC and on the second specimen, the hardness average was 33.5 HRC and on the third specimen, the hardness average was 34.9 HRC. The specimen that has the highest average hardness value is the first specimen with an average hardness of 41.3 HRC. the wear level in test 1 is 0.008 and in test 2 the wear level is 0.004 and in test 3 the wear level is 0.004 and in test 4 the wear level is 0.004 and in test 5 the wear level is 0.004. From the wear test it was found that the type of wear on the coupling gear material is classified as abrasive and fatigue wear because the two materials are rubbing against each other and the eroded material does not stick to each other and there is also fatigue due to the load that is applied continuously so that the material or coupling gear is worn out.
Evaluation and Design Development of Rice Milling Machine Rozi Saferi; Asmara Yanto; Zhafran Zuhairi Yodi Putra
Jurnal Teknik Mesin Vol 12 No 2 (2022): Jurnal Teknik Mesin Vol.12 No.2 October 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i2.138-147

Abstract

This study aims to identify and determine the level of consumer needs related to rice milling machine and, to develop a House of Quality (HOQ) to determine the dominant design requirements and the priority technical characteristics of the tool. The benefit of this research is to facilitate the design development so that it can continue to provide improvements to the quality of the rice grinder so that the quality of the rice produced can be maintained. The research method used is the Quality Function Deployment (QFD) method by conducting a survey to the field which aims to determine the level of consumer needs by distributing questionnaires and seeking information about what farmers need to make the farmer's work easier. Questionnaires were distributed to the community, most of whom work as farmers and workers in rice mills. The research location is in Pariaman Regency and Padang City. The results of this study are the highest priority scale from the aspect of consumer needs, namely fast work with a weight value (3.63) and from the technical response aspect, namely energy needs with a weight value (36.15). Based on the House of quality analysis, design development is focused on improving performance and optimizing energy sources using solar energy.
Co-Authors Adriyan, Adriyan Anrinal Anrinal Asmara Yanto Asmara Yanto Asmara Yanto Fikri Azhar Ismet Eka Putra Jendri Surianda Joko Sucipto Karnova Yanel M Aldi Putra M. Hanif Al Hafizh Mastariyanto Perdana Muhammad Ilhamdi Pratiwi, Putri Ropi Apriadi Sulaeman Syahrul Firdaus Zhafran Zuhairi Yodi Putra Zultri Memori