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All Journal Jurnal Pendidikan Teknik Mesin Undiksha ARMATUR : Artikel Teknik Mesin dan Manufaktur Jurnal Teknik Mesin Mechanical Xplore
Taufik Ulhakim, Muhamad
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Penerapan Simulasi Finite Element Terhadap Material Polylactic Acid Untuk Aplikasi Deker Kaki Aulia Nanda, Rizki; Oktapian, Rizki; Taufik Ulhakim, Muhamad
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 5 No. 2 (2024): ARMATUR: Artikel Teknik Mesin dan Manufaktur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v5i2.5533

Abstract

The Global Burden of Disease Report predicts that traffic accidents will rise from the 9th to the 3rd leading cause of death and disability by 2030. Motorized accidents pose a risk of knee impact during falls, which is a common hazard in various activities, particularly when riding a motorcycle. In some cases, personal protective equipment such as leg pads or decks are necessary. The utilization of PLA as a material for 3D printed footwear is an intriguing innovation. This research aims to manufacture a foot plug using 3D printing to practically determine the material's mechanical properties and simulate finite elements to achieve desired results, including lightweight (flexibility), customization, rapid prototyping, and ergonomic design integration. The ASTM D638 Type I specimen and foot plug were made of Polylactic Acid + Sunlu. The tensile test resulted in an average Tensile Strength (σ TS) of 28.03 Mpa, Displacement (u) of 4.98 mm, Elongation at break (δ) of 8.74%, and Modulus of Elasticity (E) of 0.319 Gpa. The finite element simulation showed that the maximum stress remained below the yield strength limit, with a safety factor of 2.03 in this research foot plug
Ethanol additive addition to gasoline: viscosity investigation using stokes law linear regression Taufik Ulhakim, Muhamad; Karina Chintya, Lestari; Suhara, Ade; Bertolomeus Haryanto, Agung; Ummah, Auliya Rahmatul; Nur, Arip Syaripudin
Jurnal Teknik Mesin Mechanical Xplore Vol 4 No 1 (2023): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v4i1.5612

Abstract

Nowadays, global warming is a tremendous phenomena in the world. Every country trying to solve these conditions, including Indonesia that has a campaign to reduce the emission of CO and HC from vehicles. However, the number of vehicles is increasing every year. Based on that condition, the researchers are trying to modify the fuel with the additive. This work modified the gasoline with 10% ethanol additive addition and investigated the viscosity properties using Stokes law linear regression method and compared to pure gasoline. The viscosity properties are chosen by their effect on emission of vehicles. A low viscosity of fuel can reduce CO and HC in gas emission. Then, this work was finding that the viscosity of gasoline is decreased, but 10% of ethanol does not significantly change the characteristics of gasoline. Even so, the linear regression has successfully used as an analyzed method to determined the viscosity. Then, this finding also contributes to development of fuel in Indonesia to reduce the emission of CO and HC with the modified of gasoline using ethanol in the other concentration.
The Photovoltaic Performance based on Radiation Intensity Examination using Experimental Study and Thermal Simulation Prasetyo, Singgih Dwi; Taufik Ulhakim, Muhamad
Jurnal Teknik Mesin Mechanical Xplore Vol 4 No 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v4i2.6141

Abstract

Solar energy is a renewable energy source that can be converted into electrical energy through photovoltaic (PV) solar cells. However, the efficiency is low, with only 15-20% depending on solar irradiation converted into electricity. The angle of the sun and the structural position of the solar cell system also affect the amount of solar radiation received. Research has been carried out to determine the effect of radiation intensity on the performance of PV solar cells using experimental methods and thermal simulation. The temperature distribution of PV cells has been studied using experimental studies and thermal simulations. The highest temperature was produced at a solar radiation intensity of 1100 W/m2 of 68.4 ⸰C for the experimental study and 69.4 ⸰C for the thermal simulation study. The highest efficiency is produced at a radiation intensity of 1000 W/m2, with the highest efficiency being 11.5%. This study analyzes the impact of radiation intensity on the electrical efficiency of solar PV cells using two-way ANOVA. The radiation intensity has a P-value of 1.85E-05, which indicates an influence on the electricity produced. There is an MS value of research variation smaller than the MS error of 7.22E-07, indicating an interaction between the two variables
Progressive Dies for L-hanger Ducting (L-HD) Utilizing Low-Carbon Steel SPCC-SD Material: An Experimental and Numerical Analysis Budiansyah, Ade Cepi; Taufik Ulhakim, Muhamad; Sukarman, Sukarman; Supriyanto, Agus; Amir, Amir; Mulyadi, Dodi; Khoirudin, Khoirudin
Jurnal Teknik Mesin Mechanical Xplore Vol 5 No 1 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i1.7763

Abstract

Industrial developments, especially in the manufacturing and construction sectors, recognize L-hanger ducting as a critical component in HVAC (heating ventilation and air conditioning) ducting systems, which play a role in supporting and stabilizing air ducts. The L-Hanger ducting manufacturing process involves a series of stages, such as shearing, blanking, piercing, trimming, and bending processes. This research focuses on the design and simulation of dies and punches for piercing, blanking, and bending processes using 1.6 mm-thick SPCC-SD material. The aim of this research is to design and analyze progressive dies in order to increase the efficiency of the production process. A comprehensive calculation of the forces involved in the shearing, blanking, piercing, trimming, and bending processes is required in order to predict press machine tonnage requirements to support the production process. This research applies theoretical and numerical validation approaches. Theoretical analysis is used to calculate the overall forces, which are then compared with numerical results and verified through an experimental approach. By understanding and optimizing the design of progressive dies, it is hoped that we can increase the production efficiency of L-hanger Ducting and expand knowledge in the field of metal forming, contributing to the metal forming industry and supporting the development of science.
Analisis Analisis Pengaruh Jenis Elektroda Terhadap Kekuatan Tarik Hasil Pengelasan Smaw Material Baja S45C: Analysis of the Effect of Electrode Type on the Tensile Strenght of SMAW Welding Result of S45C Steel Material Gunawan, Sandi; Karyadi; Taufik Ulhakim, Muhamad
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 12 No. 2 (2024)
Publisher : UNIVERSITAS PENDIDIKAN GANESHA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v12i2.83515

Abstract

Dalam dunia industri dan konstruksi pengelasan sangat banyak digunakan untuk proses penyambungan logam. Salah satu faktor yang mempengaruhi kualitas hasil pengelasan adalah pemilihan jenis elektroda yang baik. Elektroda adalah suatu benda yang digunakan untuk pengelasan listrik yang berfungsi sebagai obor yang menyebabkan busur api terbakar. Ada banyak jenis elektroda diantara nya adalah jenis E6010 dan E6013. Pada penelitian ini telah dilakukan analisis kekuatan hasil pengelasan menggunakan pengelasan jenis SMAW dari elektroda E6010 dan E6013 pada baja S45C menggunakan pengujian uji tarik. Setelah dilakukan pengujian terhadap kekuatan tarik dari masing masing spesimen didapatkan untuk nilai rata-rata kekuatan tarik dari elektroda E6010 adalah 721kgf sedangkan untuk elektroda E6013 nilai kekuatan tarik rata-rata nya adalah 753kgf. dengan hasil ini dapat disimpulkan bahwa dengan pengelasan SMAW pada baja S45C diantara elektroda E6010 dan E6013 didapatkan hasil rata-rata kekuatan tarik maksimal yang paling bagus adalah pada elektroda E6013. Hasil penelitian ini diharapkan dapat dijadikan bahan evaluasi untuk menentukan jenis elektroda yang digunakan dalam pengelasan.
Co-Authors Agus Supriyanto Amir Amir Aulia Nanda, Rizki Bertolomeus Haryanto, Agung Budiansyah, Ade Cepi Dodi Mulyadi Gunawan, Sandi Karina Chintya, Lestari Karyadi Khoirudin Khoirudin, Khoirudin Nur, Arip Syaripudin Oktapian, Rizki Singgih Dwi Prasetyo Suhara, Ade Sukarman Sukarman Ummah, Auliya Rahmatul