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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 286 Documents
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Produksi Katup Mesin Diesel Tipe TS70/80, Silinder 500 cm3, fBatang 7x105 mm, Kapasitas 1 Biji/Jam
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 2 (2026): April : Mars: 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.v4i2.1611

Abstract

The unavailability of intake and exhaust valves for 500 cm³ diesel engines manufactured in the 1980s has created difficulties in maintaining and operating agricultural tractors. This study aimed to manufacture replacement intake and exhaust valves using SUH 35 austenitic steel according to the original engine specifications. The production process included design preparation, material selection, raw material measurement, forging, machining, heat treatment, quality inspection, and packaging. SUH 35 steel rods measuring 12 mm in diameter and 105 mm in length were used as the raw material. Forging was performed to form the valve heads, producing exhaust valves with a diameter of 30 mm and thickness of 2 mm, and intake valves with a diameter of 35 mm and thickness of 2.5 mm. After machining, the final dimensions of the exhaust valve were 29.5 mm head diameter, 2 mm thickness, 105 mm length, and 7 mm stem diameter, while the intake valve measured 33.5 mm head diameter, 2.5 mm thickness, 105 mm length, and 7 mm stem diameter. Hardening treatment produced a hardness value of 40 HRC. The manufactured valves met the required dimensional and mechanical specifications. The production cost was IDR 100,000 per unit, with a processing time of approximately 60 minutes per unit. The results demonstrate that replacement valves for 500 cm³ diesel engines can be successfully reproduced, enabling the continued operation and maintenance of older tractor engines.
Peningkatan Kekakuan Atap Galvalum Sinusiodal 1,8x0,81m, Tebal 0,25 mm dengan Lekukan Garis, Kapasitas 300 Lembar/Jam
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 2 (2026): April : Mars: 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.v4i2.1612

Abstract

The main issue addressed in this study is the insufficient stiffness of a sinusoidal galvalum roof measuring 1.8 × 0.81 m with a thickness of 0.25 mm. The objective was to improve the roof’s stiffness so that it could adequately withstand rainwater weight, wind loads, and human loads. The production process involved parametric finite element simulations to optimize profile stiffness, selection of aluminum-coated steel (Galvalum) consisting of 55% aluminum and 45% zinc, and roll-forming a sinusoidal profile with a wave height and depth of 20 mm. Additional curved lines, 2 mm deep and 10 mm wide, were introduced at the wave peaks and valleys to enhance structural rigidity. The process also included cutting the roof to a length of 1.8 m, bending tests to evaluate stiffness improvement, specification and brand printing, and quality inspection. The resulting roof exhibited a stiffness increase of 38.6% compared with the conventional profile. Production costs were IDR 3,222 per sheet, with a manufacturing time of 12 seconds per sheet. These results indicate that the modified sinusoidal galvalum roof provides greater stiffness and better performance at a standard support spacing of 1.2 m.  
Fabrikasi Pisau Rotor Traktor Manual Baja Karbon Menengah Ukuran 220×80×8 mm, Kapasitas 0,5 Biji/Jam
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 2 (2026): April : Mars: 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.v4i2.1613

Abstract

The problem in manual tractors lies in the rotor blades that are not wear-resistant and their dimensions are not up to standard. The purpose of fabrication is to obtain medium carbon steel manual tractor rotor blades measuring 220×80×8 mm. Fabrication methods include: standard blade design measuring 220 mm long, 80 mm wide, 8 mm thick, and 9 mm hole diameter, selection of used leaf spring steel type SUP9A measuring 500×90x10 mm, cutting used leaf springs, straightening used leaf springs, forging used leaf springs, drilling used leaf springs with a diameter of 9 mm, hardening at 850°C, tempering at 450°C, sharpening tractor rotary blades, finishing, product quality hardness testing. The fabrication results are in the form of a manual tractor rotary blade with dimensions of 220 × 80 × 8 mm from used SUP9A spring steel which is forged with a hardening hardness value of 55 HRC which is higher than the standard value of 50 HRC or 10% harder and the tempering results reach 45 HRC, the total production cost is IDR 80,000/unit and the processing duration is 130 minutes/unit which implies that the rotor blade is wear-resistant and has met the dimensional standards.
Pembuatan Limbah Kertas Menjadi Seed Paper dalam Pembibitan Tanaman Fauziah Aliy Ash Shidiq; Lutfiah Ananda; Patricia Shyely Yolanda Manik; Yuyun Yuniar Rohmatin
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1669

Abstract

The continuous increase in paper consumption has a direct impact on waste accumulation and environmental degradation due to the exploitation of wood as the primary raw material. This study aims to design an innovative product called seed paper as a solution for managing paper and cardboard waste, transforming it into something more useful while supporting Sustainable Development Goal (SDG) No. 12 on responsible consumption and production. The production method involves several stages: processing waste into pulp, mixing it with chili seeds, followed by natural printing and drying. The analysis shows that both paper and cardboard waste can be processed into an effective planting medium, where the paper naturally decomposes and the embedded seeds germinate once planted. In terms of production costs, one batch of seed paper requires approximately Rp23.000 for the paper variant and cardboard variant. Technically, this process demonstrates that waste, which would otherwise accumulate in landfills, can be transformed into an innovative product that promotes reforestation while also carrying economic value through a structured calculation of the cost of goods sold.
Perancangan Produk Rak Sepatu dengan Memanfaatkan Limbah Tutup Botol Plastik untuk Mendukung Sustainable Development Goals (SDG 12) Audy Aprillia; Prameswari R.J; Alif Muhammad Shaquille; Yeni Nurhasanah
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1672

Abstract

Plastic waste, particularly bottle caps, poses a significant environmental challenge due to its slow degradation rate. This study aims to design a functional shoe rack utilizing plastic bottle cap waste to support Sustainable Development Goals (SDG 12: Responsible Consumption and Production). The product development process employed the Quality Function Deployment (QFD) method to translate consumer needs into measurable technical specifications. Concept selection was evaluated using the Pugh Matrix, while financial feasibility was analyzed through the Break Even Point (BEP) approach. The research resulted in an optimal shoe rack design measuring 53x32x37 cm, weighing 1.5 kg, and featuring additional side hangers for socks. The production process involves shredding, molding with resin, cutting, and assembling, with a total duration of 367.03 minutes. Financial analysis indicates that the business reaches the break-even point at a minimum production of 2 units or a total sales value of Rp227,272. This research demonstrates that integrating industrial engineering methods into plastic waste management can produce functional, durable, and economically viable products.
Pengaruh Variasi Diameter Disc Brake dan Tekanan Master Silinder terhadap Performa Pengereman Sepeda Motor 110 cc Sulton Nasrullah; Purwoko Purwoko; Muhammad Akhlis Rizza; Sugeng Hadi Susilo
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1696

Abstract

Braking performance is an important aspect of motorcycle safety because it relates to the vehicle’s ability to reduce speed and stop properly. In a hydraulic disc brake system, braking is influenced by mechanical and hydraulic factors, especially disc brake diameter and master cylinder pressure. Disc brake diameter determines the effective braking radius, while master cylinder pressure generates hydraulic pressure that is transmitted to the caliper. This study aims to analyze the effect of disc brake diameter and master cylinder pressure variations on the braking distance and braking time of a 110 cc motorcycle. This research used a quantitative experimental method with a Honda Revo Injection 110 cc motorcycle as the test object. The disc brake diameter variations were 190 mm, 220 mm, and 260 mm, while the master cylinder pressures were 2 bar, 4 bar, and 6 bar. Each treatment combination was tested three times at an initial speed of 40 km/h on a dry and flat asphalt road. Braking distance was obtained from front wheel rotation data recorded by a magnetic digital counter, while braking time was determined from video recordings. The data were analyzed using Two-Way ANOVA and response optimization. The results showed that increasing disc brake diameter and master cylinder pressure reduced braking distance and braking time. The best combination was obtained at a 260 mm disc brake diameter and 6 bar master cylinder pressure, producing a braking distance of 12.8 m and a braking time of 2.3 s.
Redesain Rangka dan Peningkatan Kinerja Mesin Pencetak Kerupuk Berbasis Analisis FEA Muhammad Dzikryan Rifanda; Muhammad Akhlis Rizza
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1705

Abstract

Cracker pr machines are widely used in small and medium-scale food industries. However, limitations in frame design and motor speed control often result in suboptimal machine performance. This study aims to perform a redesign of the upper conveyor frame, analyze the structural strength of the frame, and evaluate the effect of using a Variable Speed Drive (VSD) inverter on improving the production capacity of a cracker printing machine.The research method includes frame redesign, load calculation, and numerical analysis using the Finite Element Method (FEM) with SolidWorks Simulation. The applied loads consist of machine component weights and operational loads. In addition, performance testing was conducted by varying the motor rotational speed controlled by the VSD inverter to determine its effect on production output.The results show that the redesigned frame has a maximum displacement of 0.18 mm, a maximum stress of 8.9 MPa, and a minimum safety factor of 31, indicating that the structure is safe and operates within the elastic region. The implementation of the VSD inverter successfully increased the machine’s production capacity from the initial condition up to 78.5 kg/h. Based on these results, it can be concluded that the frame redesign and the application of a VSD inverter are effective in improving the performance and reliability of the cracker printing machine.
Pengaruh Variasi Beban dan Kecepatan terhadap Arus Motor Hub BLDC pada Sepeda Listrik Fariz Hernanto Oktafiandri; Eko Yudiyanto
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1709

Abstract

The development of electric vehicle technology has encouraged the use of electric bicycles as an environmentally friendly and energy-efficient mode of transportation. One of the main components of an electric bicycle is the hub BLDC (Brushless Direct Current) motor, which is considered more efficient because it is directly integrated into the wheel without requiring a chain transmission system. However, the performance of the hub BLDC motor is affected by operating conditions, particularly variations in load and speed, which influence current consumption and overall electrical performance. This study aimed to analyze the effect of load and speed variations on the current consumption of a hub BLDC motor. A quantitative experimental method was employed by conducting direct tests on an electric bicycle using load variations of 50 kg, 60 kg, and 70 kg, as well as speed variations of 30 km/h, 35 km/h, and 40 km/h. Current measurements were carried out in real time using a PZEM 051 sensor, and the collected data were analyzed using average values obtained from repeated measurements. The results showed that increasing the load and speed led to higher current consumption of the hub BLDC motor, from 4.6 A to 5.0 A under load variation and from 4.5 A to 5.1 A under speed variation. These findings indicate that both load and speed significantly affect the electrical current required by the hub BLDC motor, demonstrating that greater operating demands result in higher energy consumption.
Evaluasi Sistem Penerangan Lampu Jalan di Perumahan Griya Darma Palembang Yudi Irwansi
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1722

Abstract

Public Street Lighting (PSL) is one of the essential supporting infrastructures that plays a significant role in ensuring safety, security, and comfort for road users, particularly in residential areas. Inadequate lighting systems may increase the risk of traffic accidents, criminal activities, and reduce public comfort during nighttime. This study aims to evaluate the public street lighting system in Griya Darma Residential Area, Palembang, based on the physical condition of the installation, lighting intensity, uniformity of light distribution, and its compliance with the Indonesian National Standard (SNI 7391:2008) concerning Road Lighting Specifications for Urban Areas. This research employed a quantitative descriptive method with an evaluative approach. Data were collected through field observations, lighting intensity measurements using a lux meter at several observation points, documentation, and interviews with residential management and local residents. The collected data were analyzed descriptively by comparing the measurement results with the applicable standards. The evaluation results indicate that several street lighting points have provided adequate illumination levels; however, some locations still exhibit lighting intensities below the required standard due to lamp performance degradation, relatively wide spacing between lighting poles, and inadequate routine maintenance. Furthermore, the deterioration of several lighting fixtures has affected the uniformity of illumination along the road segments. Based on the findings, this study recommends replacing conventional lamps with more energy-efficient LED lamps, rearranging the spacing of lighting poles according to technical standards, and implementing regular inspection and maintenance programs to maintain the quality of the lighting system. The implementation of these recommendations is expected to improve public safety, security, and comfort while enhancing energy efficiency in the public street lighting system of Griya Darma Residential Area, Palembang.
Implementasi Odoo ERP untuk Meningkatkan Efisiensi Operasional Klinik Kecantikan: Studi Kasus Integrasi Modul HR, Akuntansi, dan Pemasaran Digital Hanifah Khoirurizkyah Pertiwi Abidin; Ifan Hafiz Adyanto; Wandi Erniaman Ziliwu
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 4 No. 3 (2026): Juni : Mars: 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.v4i3.1621

Abstract

The rapid development of information technology drives various business sectors, including the beauty and health industry, to adopt digital systems in their operational management. A Beauty Clinic, a medium-scale aesthetic clinic, faces significant operational challenges in managing human resources, finance, and digital marketing in an integrated manner. This study aims to analyze the existing manual operational system of A Beauty Clinic using the PIECES framework (Performance, Information, Economy, Control, Efficiency, Service), design and configure an Odoo ERP Community Edition implementation integrating the HR, Invoicing/Point of Sale, and Social Marketing modules, and evaluate the operational efficiency improvements achieved. The research employed a qualitative descriptive approach with a case study method and Rapid Application Development (RAD) as the system development methodology. Data was collected through direct observation and semi-structured interviews. The results show that the manual system experienced critical problems across all six PIECES dimensions. Post-implementation evaluation indicates an estimated 80% reduction in the secretary's administrative workload (from 20–25 hours to 3–5 hours per month), over 90% reduction in payroll error frequency, and an 87% reduction in transaction processing time per cashier transaction. The implementation of role-based access control and complete audit trails fundamentally addressed the security vulnerabilities identified in the as-is analysis. This study demonstrates that Odoo Community Edition is an effective, comprehensive, and cost-efficient ERP solution for small and medium-scale beauty clinics seeking to transform from fragmented manual systems to integrated, data-driven information systems.

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