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Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Published by Asosiasi Riset Teknik Elektro Dan Informatika Indonesia
ISSN : 30318750     EISSN : 30318742     DOI : 10.61132
Core Subject : Science,
Computer Science & IT
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer memuat naskah hasil-hasil penelitian di bidang Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 213 Documents
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Analisis Pengaruh Variasi Kuat Arus Pengelasan SMAW Terhadap Sifat Mekanik Material Baja JIS S45c (ASTM 1045) Deka Dwi Adytama; Agus Suprayitno; Wawan Wawan
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.842

Abstract

The rapid advancement of technology today encourages every human being in matters related to the field of industrial or machinery needs, which has a function as a power transfer from the driving force (diesel engine or electric motor dynamo) to the engine to be driven, Gearbox is a component of a machineconsisting of a house for gears, In one of the uses of machine construction and in some components often involves professional welding techniques, one of which is welding using electric arc / Shielded Metal Arc Welding (SMAW), the selection of appropriate welding current parameters affects the strength and changes in the mechanical properties of a metal. The current used is too low will cause the difficulty of igniting the electric arc, and the electric arc that occurs is unstable, this test wants to examine using high carbon steel, namely JIS S45C STEEL (ASTM 1045) in the application for gears on the Gearbox through SMAW weldingusing electrodes (E11018-G) Ø3.2 mm with current variations of 90 A, 100 A and 110 A, and see its mechanical properties of NDT testing, tensile testing, and impact testing (charpy). The NDT test results obtained no indication of cracks in the variations of 90, A, 100 A and 110 A and the porosity indication only occurredin the variation of 100 A, in the Tensile test test obtained good results in the current variation of 90 A and the less good occurred in the variation of 100 A. In the Im test test, the results of the NDT test were obtained.
Analisis Pengaruh Tekanan Mesin Exsstruder Terhadap Kuat Tekan Hasil Produk Bata Merah Irwan Suriaman; Sendi Ariyandi; Wawan Wawan; Ariyandi Ariyandi; Uus Supriatna
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.843

Abstract

This research was conducted to analyze the performance of the extruder machine on the production quantity and quality of bricks. Analysis shows that the engine transmission uses a type B belt with a belt circumference of 1063.622 mm, so the v belt used by the motorbike has a nominal belt number of 41 inches. From the results of the linear regression of red bricks before being burned with a correlation value of 98.7%, it can be categorized as very strong. The linear regression for red bricks before burning is 0.10 while alpha < 0.05 so it can be concluded that there is no significant influence on variables X and Y. The linear regression for red bricks after burning is 0.07 while alpha < 0.05 so It can be concluded that there is no significant influence on variables X and Y.
Implementasi Sistem Manufaktur Fleksibel (FMS) dalam Menjawab Tantangan Permintaan Pasar Dinamis Abdurrozzaq Hasibuan; Sukma Amelia Wardani; Riska Ramadhani; Rifky Rifaldi
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.861

Abstract

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Pengaruh Viskositas Minyak Rem dan Tekanan Fluida Terhadap Jarak Pengereman Pada Sepeda Motor 125 CC Arrediaz Bhakti Inusantara; Purwoko Purwoko
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.862

Abstract

The braking system is a crucial component that affects driving safety on motor vehicles, especially motorcycles. The purpose of this study was to determine how brake fluid viscosity and brake fluid pressure affect braking distance. Brake fluids A (12,001 cSt), B (11,120 cSt), and C (10,958 cSt) are three types of brake fluids that vary, along with brake fluid pressure, which ranges from 1.5 to 4.5 bar. A 7 mm bolt that is 70 mm long and drilled into the brake lever is used to limit the pressure. Based on the results of the study, braking distance is affected by fluid pressure and viscosity. With the same fluid pressure of 4.5 bar, brake fluid A is able to brake at the farthest distance of 25.01 meters, brake fluid B is able to brake at the middle distance of 23.12 meters, and brake fluid C is able to brake at the shortest distance of 21.79 meters.
Pengaruh Komposisi dan Lipatan Filter Udara Biokomposit Berbahan Ampas Tebu dan Sekam Padi terhadap Performa Mesin 4 Langkah 150cc Muhammad Daniar Hidayat; Purwoko Purwoko; Ahmad Hanif Firdaus; Ratna Monasari
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.863

Abstract

Internal combustion engines generate thermal energy through the combustion of an air-fuel mixture. The incoming air must be filtered, as it contains impurities and particles. While air filters are commonly made from paper, they can also be developed using organic waste materials such as sugarcane bagasse and rice husk. This study aims to analyze the effect of biocomposite air filters on engine power, torque, and specific fuel consumption (SFC), by varying the material composition and the number of pleats, and comparing the results with those of a standard air filter. The method used is a quantitative experimental approach involving dyno testing on a 150 cc motorcycle engine. The tested material compositions include 50:50, 40:60, 30:70, 60:40, and 70:30 (sugarcane bagasse\:rice husk), with pleat counts of 28, 26, and 24. Results showed that the biocomposite filter with 28 pleats and a 30:70 composition delivered the best performance, producing 18.47 Hp and 16.66 Nm of torque—higher than the standard filter’s 17.98 Hp and 15.52 Nm. In terms of fuel efficiency, the 26-pleat filter with a 50:50 composition recorded the lowest SFC at 41.90 g/kWh, significantly better than the standard filter’s 53.03 g/kWh. Conversely, the 60:40 composition resulted in the highest SFC due to increased airflow resistance.
Sistem Pendukung Keputusan Metode AHP Pemilihan Siswa Akademik Terbaik pada SMP Dharma Bakti Jakarta Timur Winton Almundarisna; Aan Risdiana; Achmad Birowo
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.864

Abstract

In the era of increasingly advanced technological development, decision support systems (DSS) play an important role in improving the quality of decision-making in the education sector. The selection staff at SMP Dharma Bakti find it difficult to objectively determine the best academic students because they still use a manual method that is prone to errors. This research aims to design a web-based decision support system that can help selection staff assess and determine their best academic students objectively and quickly. This system is developed using the PHP programming language, MySQL database, LARAVEL 8 framework, and applies the Analytical Hierarchy Process (AHP) method within it. This research produces a system that allows the SMP Dharma Bakti Selection Officers to input alternative data, namely student data, determine the weight of criteria and sub-criteria, and view the ranking results automatically, thus greatly facilitating the SMP Dharma Bakti Selection Officers in determining their best academic students.
Pengaruh Sistem Manufaktur Berkelanjutan terhadap Daya Saing Perusahaan Industri di Indonesia Nurmawaddah Pasaribu; Abdurrozaq Hasibuan; Ade Oka Syahputra; Jeany Amelia Putri
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.865

Abstract

This study uses a qualitative method to examine the influence of sustainable manufacturing systems on the competitiveness of industrial companies in Indonesia. In an increasingly competitive global market, implementing sustainability principles in manufacturing systems has become a vital strategy to enhance operational efficiency, reduce environmental impact, and strengthen a company’s image in the eyes of consumers and stakeholders. This research focuses on how industrial companies in Indonesia integrate economic, social, and environmental aspects into their production processes and how such integration contributes to long-term competitiveness. Data were collected through in-depth interviews with production managers, analysis of internal company documents, and direct observation of sustainable manufacturing practices. The findings reveal that companies consistently applying sustainable manufacturing systems are able to improve product quality, expand market share, and enhance customer loyalty. Additionally, they are more adaptive to environmental regulations and market trends demanding corporate social responsibility. Thus, sustainability becomes a strategic factor in enhancing industrial competitiveness in Indonesia.
Studi Deskriptif terhadap Teknik Pengelasan SMAW pada Praktikum Taruna Teknika AMN Cilacap Immawan Insani; Priyani Budiyarti
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.866

Abstract

This study aims to describe the implementation of Shielded Metal Arc Welding (SMAW) techniques in practical training conducted by cadets of the Teknika Study Program at AMN Cilacap. The method employed is descriptive quantitative using a Likert-scale questionnaire (1–5). The research sample consisted of 40 second-semester cadets selected through purposive sampling. The questionnaire was structured based on four aspects: theoretical understanding, practical skills, compliance with safety procedures, and perceived obstacles. The results show that theoretical understanding was at a high level (average score of 4.1; 87.5%), practical skills were categorized as adequate (75%), and compliance with safety procedures was very high (90%). However, obstacles were still significantly perceived, with an average score of 2.88 and only 27.5% of respondents giving positive responses. The main obstacles faced by cadets included limited welding equipment, insufficient training in specific welding positions, and inadequate practice time. This study recommends improvements in practical facilities, diversification of training in various welding positions, and more effective management of practice schedules to support optimal learning outcomes.
Kontribusi Pengalaman Praktik Industri terhadap Motivasi Belajar Siswa Kelas XII Teknik Pemesinan SMKS Dhuafa Padang Muhammad Fahrozi; Waskito Waskito
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.869

Abstract

This study aims to determine the contribution of industrial work practice (Prakerin) experience to the learning motivation of 12th-grade students in the Mechanical Engineering Department at SMKS Dhuafa Padang. A quantitative correlational research approach was employed, using a questionnaire distributed to 30 students who had participated in the Prakerin program. The results indicate a strong and significant relationship between Prakerin experience and learning motivation, with a Pearson correlation coefficient of 0.763 (Sig. < 0.001). Simple linear regression analysis shows that industrial practice experience contributes 58.3% to students' learning motivation. These findings suggest that relevant and meaningful implementation of Prakerin can encourage students to become more motivated in their academic activities at school.
Pengaruh Arah Serat dan Fraksi Volume terhadap Kekuatan Impact Komposit Serat Tebu (Sugar Cane Fiber) Epoxy Moch Rakha Naufal Athilah; Widjanarko Widjanarko
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.892

Abstract

This study aims to examine the effect of fiber orientation and volume fraction on the impact strength of sugarcane fiber–epoxy composites. Sugarcane fiber is considered a promising natural reinforcement material due to its lightweight, renewable nature, and environmental friendliness. Specimens were fabricated using the vacuum bagging method with fiber orientations of 0°, 60°, 90°, and random, and volume fractions of 5%, 10%, 15%, and 20%. Impact testing was conducted according to ASTM D6110-10 to determine absorbed energy and impact strength. The results show that both fiber orientation and volume fraction significantly influence impact strength. The highest impact strength was achieved with a 15% volume fraction and 0° fiber orientation, reaching 0.085 J/mm² or an absorbed energy of 8.5 Joules. In contrast, the lowest value was recorded at a 15% volume fraction with 90° fiber orientation, yielding 0.018 J/mm² or 1.8 Joules. The interaction between these variables also contributed significantly to enhancing material toughness. These findings highlight the importance of optimizing fiber orientation and volume fraction in designing natural fiber-based composites for lightweight structural applications

Page 15 of 22 | Total Record : 213

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