Jurnal Teknik Mesin
Jurnal Teknik Mesin (JTM) adalah Peer-reviewed Jurnal tentang hasil Penelitian, Karsa Cipta, Penerapan dan Kebijakan Teknologi. JTM tersedia dalam dua versi yaitu cetak (p-ISSN: 2089-7235) dan online (e-ISSN: 2549-2888), diterbitkan 3 (tiga) kali dalam setahun pada bulan Februari, Juni dan Oktober. Focus and Scope: Acoustical engineering concerns the manipulation and control of vibration, especially vibration isolation and the reduction of unwanted sounds; Aerospace engineering, the application of engineering principles to aerospace systems such as aircraft and spacecraft; Automotive engineering, the design, manufacture, and operation of motorcycles, automobiles, buses, and trucks; Energy Engineering is a broad field of engineering dealing with energy efficiency, energy services, facility management, plant engineering, environmental compliance, and alternative energy technologies. Energy engineering is one of the more recent engineering disciplines to emerge. Energy engineering combines knowledge from the fields of physics, math, and chemistry with economic and environmental engineering practices; Manufacturing engineering concerns dealing with different manufacturing practices and the research and development of systems, processes, machines, tools, and equipment; Materials Science and Engineering, relate with biomaterials, computational materials, environment, and green materials, science and technology of polymers, sensors and bioelectronics materials, constructional and engineering materials, nanomaterials and nanotechnology, composite and ceramic materials, energy materials and harvesting, optical, electronic and magnetic materials, structure materials; Microscopy: applications of an electron, neutron, light, and scanning probe microscopy in biomedicine, biology, image analysis system, physics, the chemistry of materials, and Instrumentation. The conference will also present feature recent methodological developments in microscopy by scientists and equipment manufacturers; Power plant engineering, the field of engineering that designs, construct, and maintains different types of power plants. Serves as the prime mover to produce electricity, such as Geothermal power plants, Coal-fired power plants, Hydroelectric power plants, Diesel engine (ICE) power plants, Tidal power plants, Wind Turbine Power Plants, Solar power plants, Thermal engineering concerns heating or cooling of processes, equipment, or enclosed environments: Air Conditioning; Refrigeration; Heating, Ventilating, Air-Conditioning (HVAC) and Refrigerating; Vehicle engineering, the design, manufacture, and operation of the systems and equipment that propel and control vehicles.
Articles
326 Documents
<![CDATA[MANUFACTURE AND TESTING OF VIBRATION TEST SCHEMES FOR PIPING SYSTEMS ]]>
<![CDATA[Ali, Ali]]>;
<![CDATA[Saputra, Hendiawan Nugraha Aldi]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i2.25377
<![CDATA[Piping system is the distribution of fluids through pipes. This is often in everyday life, an example is the water pipe in every house that is used to fulfill desires and in the industrial field pipes are often used to distribute petroleum fluids as well as offshore and onshore. Supports have a very important role to overcome the loads that occur at points that experience excessive loads caused by the weight of pipes and other devices. In general, dynamic failures in pipe systems are caused by resonance from the vibrations of the pipe stretch. Therefore, this research is intended to determine the effect of valve opening variation and pedestal distance variation on vibration in the pipe system so that it can be used for consideration in designing a piping system. This research uses an experimental approach starting with the preparation of a vibration test scheme and then testing using a vibration meter. The test data was processed and statistically analyzed so that it was found that at 100% valve opening, the largest value is at a pedestal distance of 180 cm with a flow rate of 2.8 m/s2 and the largest 50% valve opening is at the same pedestal distance of 180 cm with a flow rate of 2.3 m/s2. The farther the pedestal distance, the greater the vibration and deflection and the greater the flow discharge produced, the higher the vibration produced]]>
<![CDATA[DESAIN CETAKAN SPESIMEN UJI KOEFISIEN GESEK MESIN KOMPAKSI KAPASITAS 10 TON MENGGUNAKAN METODE DESIGN FOR MANUFACTURING AND ASSEMBLY ]]>
<![CDATA[Bustomi, Muhammad Ardi]]>;
<![CDATA[Fitri, Muhamad]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 1 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i1.24581
<![CDATA[Abstrak-- Mesin kompaksi merupakan sebuah alat yang berfungsi untuk memadatkan material komposit serbuk serat alam matriks polimer. Umumnya, pada pembuatan material komposit secara manual hanya menggunakan kandungan serat tidak lebih dari 10% sehingga sifat mekanis yang didapat tidak meningkat. Oleh karena itu, material komposit perlu dikompaksi menggunakan mesin kompaksi agar kandungan seratnya dapat ditingkatkan dibandingkan dengan kandungan polimernya supaya sifat mekanisnya dapat meningkat. Salah satu komponen penting dari mesin kompaksi yaitu dies dan punch yang berperan penting dalam pembentukan material. Oleh karena itu, komponen dies dan punch perlu dibuat sesuai dengan kebutuhan. Dalam pembuatan dies dan punch, proses perakitan dan manufaktur mempunyai peranan penting. Penelitian ini bertujuan untuk merancang komponen dies dan punch dengan 3 variasi desain yaitu desain 1, 2, dan 3 untuk ditemukan desain yang terbaik serta efisien. Pembuatan dies dan punch dilakukan dengan menggunakan konsep Design for Manufacturing and Assembly (DFMA). Konsep DFMA ditujukan untuk mendapatkan jumlah komponen, dan waktu perakitan yang paling efisien. Penelitian ini mendapatkan hasil desain yang terbaik yaitu desain 3 dengan jumlah komponen 4 part, efisiensi sebesar 19,63%, serta estimasi biaya manufaktur sebesar Rp1.278.500,00. Sedangkan desain 1 dan 2 memiliki jumlah komponen 7 part dan 5 part, efisiensi desain sebesar 26,78% dan 13,54%, dan estimasi biaya manufaktur sebesar Rp2.361.630,00 dan Rp2.160.000,00. Hasil desain 3 ini dapat mereduksi jumlah komponen sebesar 3 part, meningkatkan efisiensi desain sebesar 6,09%, serta mereduksi biaya manufaktur sebesar Rp1.083.130,00. Kata kunci: Komposit, Desain, Dies dan Punch, DFMA, Rancangan yang Efisien Abstract-- Compaction machine is a tool that serves to compact the polymer matrix natural fiber powder composite material. Generally, the manufacture of composite materials manually only uses fiber content of no more than 10% so that the mechanical properties obtained do not increase. Therefore, composite materials need to be compressed using a compacting machine so that the fiber content can be increased compared to the polymer content so that the mechanical properties can be increased. One of the important components of the compacting machine is the dies and punches that play an important role in the formation of the material. Therefore, dies and punch components need to be made as needed. In making dies and punches, the assembly and manufacturing process has an important role. This research aims to design dies and punch components with 3 design variations, namely design 1, 2, and 3 to find the best and efficient design. Making dies and punches is done using the concept of Design for Manufacturing and Assembly (DFMA). The DFMA concept is aimed at getting the most efficient number of components, and assembly time. This study obtained the best design results, namely design 3 with the number of components of 4 parts, efficiency of 19.63%, and estimated manufacturing costs of IDR 1,278,500.00. While designs 1 and 2 have the number of components of 7 parts and 5 parts, design efficiency of 26.78% and 13.54%, and estimated manufacturing costs of IDR 2,361,630.00 and IDR 1,278,500.00, respectively. Keywords: Composite, Design, Dies and Punch, DFMA, Efficient Design ]]>
<![CDATA[INCREASED DRIVING FORCE OF NATURAL PLANT FIBER EXTRACTION RESULTS BASED ON THE RESULTS OF THE DEVELOPMENT OF NATURAL FIBER EXTRACTORS ]]>
<![CDATA[Azizi, Muhammad]]>;
<![CDATA[Azharuddin, Azharuddin]]>;
<![CDATA[Malik, Irawan]]>;
<![CDATA[Fitri, Muhamad]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i2.27623
<![CDATA[This research was motivated by the lack of utilization of wasted plant parts so that there were previous extractors that had been made but were still not optimal. This study itself aims to determine the effect of changes in the driving power of natural plant fiber extractors on the extracted fibers compared to previous extractors so that later the fiber produced can be used as the main material for making natural composites. In this study, the extractor is a tool used to extract plant fibers lining banana stems. The method used in this study is by developing the previous extractor, especially in the drive motor that used to use a DC motor and then replaced with a 5.5 HP gasoline motor, drum blade cap, tool transmission and water drain slide. After the development of the extractor was carried out, it continued with the initial data collection process with the loading method with an average banana stem layer length of 165.5 〖mm〗^2 and an average weight of 6.91 kg where the results can be used to determine the power of the drive motor used in this tool. The process of extracting plant fiber from banana stem layers to determine the influence of the quality and quantity of fiber produced after tool development. As a result, the time needed to extract plant fibers averaged 9.3 seconds compared to previous tools which averaged 37.6 seconds manually and 42.3 seconds with DC motors.]]>
<![CDATA[Analisis Kinerja Turbin Uap Sebelum Dan Sesudah Overhaul PLTU X ]]>
<![CDATA[Fadila, Anis]]>;
<![CDATA[Permana, Dadang Suhendra]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 1 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i1.18908
<![CDATA[Ketersediaan energi listrik dituntut untuk selalu ada dan kontiyu, sehingga diperlukan pembangkit listrik yang handal dan efisien. Turbin uap bekerja dalam temperatur yang tinggi dan jangka waktu yang lama, sehingga turbin uap dituntut harus mampu beroperasi dengan tingkat stabilitas yang tinggi dari keadaan tanpa beban hingga ke beban penuh. Seiring berjalannya waktu, dengan kondisi tersebut diperkirakan turbin uap mengalami penurunan kinerja. Untuk mengatasinya, maka turbin uap perlu dioverhaul. Penelitian ini bertujuan untuk mengetahui dampak overhaul terhadap kinerja turbin uap PLTU X. Pengambilan data dilakukan dengan metode analisis kuantitatif data sekunder. Untuk menganalisanya digunakan metode perhitungan berdasarkan kesetimbangan masa uap dan energi dalam entalpi yang masuk dan keluar turbin dengan daya keluaran generator (output generator). Dari hasil analisis termodinamika didapatkan adanya peningkatan kinerja turbin uap setelah dilakukan overhaul yaitu daya turbin mengalami pengingkatan sebesar 29,413 MW, efisiensi isentropik turbin uap meningkat sebesar 0,234%, THR mengalami penurunan sebesar 278,08 kcal/kWh dan efisiensi turbin uap mengalami peningkatan sebesar 2,78%.]]>
<![CDATA[STUDY OF FINITE DIFFERENCE METHOD IN HEAT FLOW SIMULATION OF TWO-CHAMBER THERMOS SEPARATOR MADE OF POLYPROPYLENE USING MATLAB APPLICATIONS ]]>
<![CDATA[Pandriana, Aap]]>;
<![CDATA[Pudjiwati, Sri]]>;
<![CDATA[Alva, Sagir]]>;
<![CDATA[Tarigan, Kontan]]>;
<![CDATA[Sudarma, Andi Firdaus]]>;
<![CDATA[Khaerudini, Deni Shidqi]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i2.27803
<![CDATA[Heat transfer can be defined as transfer of energy from one area to another as a result of temperature differences in objects. This indicates heat transfer not only explains how heat energy is transferred from one object to another, but can also predict the rate of heat transfer that occurs under certain conditions. In this case, what is related to the heat flow model equation is two-chamber thermos separator where the separator is made of polypropylene. This separator functions to prevent the flow of heat from one side to the other side of the thermos tube. Polypropylene is included in the insulator category, although heat transfer still occurs. The heat transfer will be calculated using the finite difference method in parabolic partial differential equations using the Matlab application. The heat transfer process is assumed to occur by conduction, with a separator length of 1 cm. Assume the first side of the divider has a right temperature of 100°c, and the other side 20°c. The temperature point measured on the separator is located in the center of the separator. After completing the solution using the Matlab application with the finite difference method, a heat transfer flow simulation was obtained in the two-chamber thermos separator which shows the heat flow transfer at any time. At 0.1 seconds the temperature at T1 is 2.4°c, while at 10 seconds is 65.9704°c. Then at 0.1 seconds the temperature at T4 is 0.48°c, while at 10 seconds 19.5436°c. The conclusion is in the separator of the two-chamber thermos there is significant heat flow from the side of the first tube to the other side.]]>
<![CDATA[The Effect of Paracetamol Inhibitor Concentration and Immersion Time to The Corrosion Rate and Toughness in 3% NaCl Media ]]>
<![CDATA[Ulum, Miftachul]]>;
<![CDATA[Rosidah, Afira Ainur]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i2.21938
<![CDATA[Corrosion is one of the main problems causing damage to metals. The occurrence of a reaction with the surrounding environment accompanied by several factors cause deterioration so that corrosion causes damage to the material. Therefore, researchers added inhibitors as a way to control corrosion. This study used paracetamol as an inhibitor against corrosion protection of AISI 1020 steel with 3% NaCl as the media. The method used for the corrosion test was the weight loss and toughness test using the Charpy method of impact testing. This study obtained the lowest corrosion rate value at the addition of 220 ppm inhibitor concentration with immersion time for 7 days of 1.078 mpy. The efficiency observed in this study showed that adding an inhibitor concentration of 220 ppm with the immersion time of 7 days had the highest value reaching 71.42%. Moreover, the impact test results got the highest value on the 220 ppm inhibitor variation with the immersion time of 7 days, reaching 0.0817 J/]]>
<![CDATA[MERANCANGAN ALAT LABELLING BOTOL DENGAN METODE VDI 2221 ]]>
<![CDATA[Yulianto, Idho Ferouji]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 1 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i1.15916
<![CDATA[Abstrak -- Alat labelling botol adalah alat yang dibuat untuk memudahkan pekerjaan pelabelan pada botol. Namun masih banyak ditemui alat yang digerakan secara manual, karena biaya yang cukup mahal untuk memiliki alat yang bergerak secara otomatis. Seperti penggunaan alat labelling botol yang menggunakan tenaga manusia untuk mengerakan handel penekan label pada botol, karena tidak perlu menggunakan biaya yang mahal untuk menempelkan label pada botol. Penelitian ini bertujuan untuk merancangan alat labelling botol semi otomatis. Perancangan alat labelling botol ini mengacu pada metode VDI 2221 yang memiliki 4 tahap yaitu: klasifikasi tugas, perancangan konsep produk, perancangan wujud produk, dan perancangan terinci. Penelitian ini diharapkan dapat merancang alat labelling botol semi otomatis yang berfungsi dengan baik. Hasil penelitian ini diperoleh rancangan alat labelling botol semi otomatis dengan rangka roll label diatas, dimensi alat 430mm x 405mm x 300mm, scraper persegi tanpa sambungan, transmisi sprocket & rantai, pengikat baut & mur, penggerak stepper motor. Rata rata waktu yang dibutuhkan alat labelling botol semi otomatis untuk melakukan pelabelan adalah 3,262 detik. Kata kunci: Meracangan, Pelabelan Botol, VDI 2221 Abstract-- Bottle labeling tool is a tool made to facilitate labeling work on bottles. However, there are still many tools that are moved manually, because it is quite expensive to have a tool that moves automatically. Like the use of a bottle labeling tool that uses human power to move the label pressing handel on the bottle, because there is no need to use expensive costs to attach labels to bottles. This study aims to design a semi-automatic bottle labeling tool. The design of this bottle labeling tool refers to the VDI 2221 method which has 4 stages, namely: task classification, product concept design, product design, and detailed design. This research is expected to be able to design a semi-automatic bottle labeling tool that functions properly. The results of this study obtained a semi-automatic bottle labeling device design with a label roll frame above, the dimensions of the tool are 430mm x 405mm x 300mm, a square scraper without a connection, sprocket & chain transmission, bolt & nut fasteners, stepper motor drive. The average time required for the semi-automatic bottle labeling tool to do the labeling is 3.262 seconds. Keywords: Design, Bottle Labelling, VDI 2221]]>
<![CDATA[STUDY OF THE NEWTON RAPHSON METHOD IN ANALYZING THE DEPTH OF FLUID FLOW IN THE WASTEWATER CANAL U RPS TKRO SMKN 1 CIRUAS USING THE MATLAB APPLICATION ]]>
<![CDATA[Susilo, R Dwi Pudji]]>;
<![CDATA[Tarigan, Kontan]]>;
<![CDATA[Sudarma, Andi Firdaus]]>;
<![CDATA[Oktaviani, Ana Nur]]>;
<![CDATA[Khaerudini, Deni Shidqi]]>;
<![CDATA[Fitri, Muhamad]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 2 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i2.27624
<![CDATA[Abstract--Flow Depth can be defined as channel height or open channel flow depth, is an important parameter in hydraulic calculations and analysis. The depth of flow in the U channel (U channel) of the Student Practice Room (RPS) for Automotive Light Vehicle Engineering (TKRO) at SMKN 1 Ciruas often causes delayed flow congestion and full channels. Sometimes it is dry if only a few students carry out practical use of room practice and use of water and other waste. The aim of this research is to find a solution to this problem, namely by knowing the depth of flow in the channel so that in the future when designing waste water drainage channels it can be designed appropriately and in accordance with the volume of waste released. The method is to calculate the flow depth in the U channel using NEWTON RAPHSON numerical analysis and the Matlab application to determine the flow depth. The calculation result is the depth of water flow in channel U, with water flow discharge Q = 0.016 m3/s, Manning coefficient for roughness of channel walls and base n = 0.025, slope of channel bottom I = 0.003, and width of channel U B = 0.22 m, at The 11th and 12th iterations flow depth = 0.194864 m. The results of manual exact calculations in the 11th and 12th iterations, the error percentage is 0%, meaning that the flow depth is uniform at a water level of 0.194864 m. Calculations using the Matlab application obtained graphs and the iteration steps were slightly different in the 12th and 13th iterations, the flow depth results were the same = 0.194864 m. The initial guess at flow depth(h)=1, the percentage error is 25%, the uniform flow depth of the RPS TKRO SMKN 1 Ciruas U channel is 0.194864 m.Keywords : Depth of flow, NEWTON RAPHSON, Open Channel, U Channel, MATLAB]]>
<![CDATA[ANALISIS SINYAL GETARAN POMPA COOLING WATER TIPE SENTRIFUGAL MENGGUNAKAN METODE FFT DAN ISO 10816-3 ]]>
<![CDATA[Adinarto, Tri Wahyu]]>;
<![CDATA[Romahadi, Dedik]]>
<![CDATA[ Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 1 (2024) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v13i1.20992
<![CDATA[Abstrak-- Penelitian ini dilatarbelakangi oleh getaran pompa cooling water P9114B yang berlebih Hal ini menyebabkan performa pompa menurun untuk menghindari terjadinya breakdown maintenance maka perlu dilakukan analisis vibrasi. Penelitian ini bertujuan untuk mengetahui titik lokasi kerusakan pada pompa sentrifugal cooling water P9114B di PT SAU dengan menggunakan sinyal getaran analisis dan dengan mengukur besarnya getaran dan menyajikannya ke domain frekuensi (spectrum). Metode yang digunakan untuk analisis penelitian ini adalah metode Fast Fourier Transform (FFT). Pengukuran dilakukan pada 3 titik pengukuran (horizontal, vertikal dan aksial) kondisi pompa yang diteliti termasuk dalam kategori kelompok 2 yaitu mesin berukuran medium mengacu pada standar ISO 10816-3. Diperoleh hasil dengan kriteria warna merah (Danger) yang dapat diartikan bahwa pompa dalam kondisi dapat menyebabkan kerusakan yang lebih parah jika terus beroperasi. Dari hasil analisis sinyal getaran yaitu dengan dominan frekuensi pada 24,17 Hz (1X RPM) dan nilai amplitudo RMS velocity pada Inboard Pump horizontal sebesar 6,67 mm/. Frekuensi dominan tertinggi kedua 145 Hz (Blade Pass Frequency) yaitu sebesar 3,8 mm/s dan 2X RPM yang lebih rendah dari 1X atau 6X. Perbedaan phase arah radial Inboard pump dengan radial inboard motor sebesar 1800. Dari analisis data pengukuran getaran spektrum domain frekuensi dan pengukuran phasa maka disimpulkan pompa mengalami kerusakan misalignment parallel dan cavitasi.. Setelah dilakukan perbaikan dengan penggantian impeller pompa didapatkan penurunan vibrasi dari 6,67 mm/s turun menjadi 2,5 mm/s. Berdasarkan ISO 10816-3 klasifikasi pompa dalam fondasi rigid ,daya 114Kw dan size medium , disimpulkan pompa dalam kondisi Satisfatory. Kata Kunci: Pompa, ketidakseimbangan, misalignment, ISO-10816-3, pompa cooling water, Fast Fourier Transform,]]>
