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JTTM: Jurnal Terapan Teknik Mesin
Published by Sekolah Tinggi Teknologi Muhammadiyah Cileungsi
ISSN : 27215377     EISSN : 27217825     DOI : https://doi.org/10.37373/msn.v1i2.49
Core Subject : Engineering,
Aerospace Engineering Control & Systems Engineering Engineering Mechanical Engineering
Tujuan dari publikasi jurnal ini adalah untuk menyebarluaskan pemikiran konseptual atau ide dan hasil penelitian bidang teknik mesin yang telah dicapai. Jurnal Terapan Teknik Mesin, terutama berfokus pada masalah utama dalam hal hasil penelitian dan karya ilmiah Layanan Komunitas: Analisa Struktur, Material Teknik, Metalurgi, Kinematika, Dinamika, Termodinamika, Perpindahan Kalor, Teknik Material, Desain dan Manufaktur, Mesin Konversi Energi, Teknik Pendingin/Refrigrasi, Mekanisa Fluida, Mesin Fluida, Aerodinamika, Hidrodinamika, Metrologi, Getaran Mekanik, Otomasi Industri, Mekatronika.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 130 Documents
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Analysis of air-to-water converter frame using ANSYS simulation Naufal Waliy Ishlah; Salvatore Johanes Rega; Triwahyudin Rohman; Subekti Subekti
JTTM : Jurnal Terapan Teknik Mesin Vol 5 No 2 (2024): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v5i2.1125

Abstract

According to projections made by the Indonesian Institute of Sciences (LIPI), by 2040 every region along Java's northern coast—from Banten to Surabaya and Iswara—will be an urban area vulnerable to water scarcity. As a result, more careful consideration is required. Since air is an endless supply, turning it into water is one way to address the clean water shortage. A good design's structure is one of its essential components. This is because the device's structure must sustain both the renewable energy source and the complete system. By utilizing ANSYS Workbench and theoretical calculations to analyze the maximum stress results, the research aims to ascertain whether the machine frame is safe for usage. In this investigation, the ANSYS 2021 R1 software was used to apply the finite element method to ASTM A36 material under vertical loading. The air-to-water converter mechanism is still safe after simulations were run on its shaft and frame. This is demonstrated by the biggest maximum stress on the shaft (6.2194 MPa) from the ANSYS numerical simulation and the largest maximum stress (0.349 MPa) on the frame, both of which are still below the allowable stress. Furthermore, a 0.9694 difference in safety factor was found between theoretical calculations and shaft simulation, and a 0.1573 difference was found for the frame. The safety factor acquired from the shaft was 1.6043, while the safety factor gained from the frame was 1.6073
Application of the VDI 2221 method in the design of an air-to-water converter device Salvatore Johanes Rega; Triwahyudin Rohman; Naufal Waliy Ishlah; Subekti Subekti
JTTM : Jurnal Terapan Teknik Mesin Vol 5 No 2 (2024): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v5i2.1126

Abstract

Indonesia's drought and water crisis problems have grown significantly in importance in recent years, especially in light of the country's fast population expansion, urbanization, and growing awareness of the effects of climate change. By 2040, there may be a clean water crisis in every region along Java's north coast, from Banten to Surabaya, according to projections made by the Indonesian Institute of Sciences (LIPI). The water crisis could be a major worldwide concern and will be a highly complicated issue. One approach to resolving the water shortage is to design an air-to-water converter device. The purpose of this research is to design a device that can efficiently and effectively convert air into water through condensation processes. The design will be based on the VDI 2221 Method. The rationale behind selecting the VDI 2221 Method is that it is a methodical approach to design that can help a designer generate and guide multiple design options. The primary mechanism of this apparatus is condensation, which turns air into dew points. The author utilized Solidworks 2020 to create the air-to-water conversion device. Through the stages of VDI 2221, the finest design outcomes were obtained from this design. The air-to-water converter mechanism in this design is constructed by version 2, which was chosen as the best option. Based on ASTM A36 material, theoretical calculations on the frame produced a safety factor of 1.45 and a maximum stress of 1.72414 × 108 N/m2. Based on the turbine shaft calculation, the maximum stress of 1.07235 × 108 N/m2 and the safety factor of 2.57379 were obtained using Aluminum 6061 material
The effect of hardness on bending value in manufacturing brake pads from shell and palm fiber Kholidah Agustina; Mulkan Iskandar Nasution; Ridwan Yusuf Lubis
JTTM : Jurnal Terapan Teknik Mesin Vol 5 No 2 (2024): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v5i2.1132

Abstract

Motorbikes are one of the primary needs for many people because they are more effectively used to carry out community activities than public transportation. Because motorbikes are used so frequently, the braking system is one of the parts that must be updated. Brake pads are motorbike equipment that function to slow and stop the vehicle comfortably. The research aims to determine the characteristics of brake linings and the optimal composition of brake linings that are good for use. Brake pads are a component of motorcycle vehicles that are useful for slowing down and stopping the speed of the vehicle comfortably. The purpose of this study is to find out how the characteristics of palm shells and fibers if used as material for making brake linings. The method used is direct experimentation with a qualitative approach. The results obtained are the characteristics of brake pads made from filler palm shell powder and palm fiber with polyurethane matrix have a hard texture, solid brown, if viewed from the surface of the brake lining is a little rough because the fiber is too long. The test results showed the best hardness value of 91 R and the best bending test with a value of 10.21 kgf/mm2
Analysis of cooling load calculations using AHU in swimming pools (indoor pools) M. Sugiri; Indra Widarmadi; Parman Sinaga; Wahyudi
JTTM : Jurnal Terapan Teknik Mesin Vol 5 No 2 (2024): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v5i2.1171

Abstract

AC or Air Conditioner is one of the most widely used mechanical devices in Indonesia. A machine device that functions as an air conditioner so that the indoor air temperature is comfortable, healthy, and has the humidity required by the occupants. Air freshening systems or ACs are increasingly becoming a necessity for urban communities, whether in homes, office buildings, apartments, hotels, swimming pools, hospitals, and even in lecture rooms. The indoor swimming pool measuring 40 x 11 x 3.5 m is located in the apartment So it is uncomfortable for swimmers. Thus, it is necessary to design using an AC system so that the temperature in the swimming pool is cool and comfortable for swimmers. The planning methodology starts by determining data on the indoor swimming pool in apartment AC used. From the analysis results, the cooling load was obtained at 411.5 kW, including a sensible load of 397.66 kW and a Latin load of 13.85 kW, the refrigerant used by the engine was R134a, the compressor power was 81 HP, while the COP was 6.8. So that the indoor air is evenly distributed comfortably, the indoor cold air distribution system uses an AHU (Air Handling Unit) system, capacity of 1900 m3/hour. 2 AHU Units, Blower Power 3 kW
Analysis of dies material strength in the blade screw conveyor bending process Muhammad Rizky Imaduddin; Muhamad Fitri
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1190

Abstract

Screw conveyor is one of material transport equipment in transport bulk materials. When damage will affect the next stage of the production process, a solution in the form of a tool is needed that shortens the fabrication process time of Screw Conveyor, utilizing the pressure from hydraulic cylinder ex excavator against die as the base. To ensure that the tool is able to work optimally with the load received from the hydraulic cylinder pressure 100 tons and upper die 60.28 kg, it is necessary to carry out research using the Finite Element Analysis method of Solidworks Simulation software on material strength of screw conveyor blade bending dies from parameters safety factor and yield strength of Von Misses method with material used is ASTM A36. This research is concluded that strength of die bending blade screw conveyor material which has been made with wall thickness 8 mm meets the requirements with load 981591.347 N, has a maximum stress value using the Von Misses yield strength method of 59 N/mm2 in Solidworks simulation and 48.959 N/mm2 in manual calculations, this value is lower than maximum allowable stress 83.333 N/mm2, maximum displacement value is 0.300 mm, 8 mm wall configuration meets the requirements because it has value 0.108 mm in Solidworks simulation and 0.098 mm in manual calculation. Safety factor value obtained is 4.086, which meets the requirements 3. So that from this research it can be ascertained the ability of the die when given a load of 100 tons during the bending process
Safety device strength analysis during repair of cylinder loader up down curing machine Rizky Fajar Sutrimo; Muhamad Fitri
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1201

Abstract

While repairing the up-down loader cylinder by the tire company engineering team, a work accident occurred. The loader fell due to movement when releasing the loader cylinder and the loader load which was hanging on the nok, because it was not strong enough to support the loader, the nok fell off followed by the loader dropping. So then the engineering team installed a safety device to withstand the load of the loader if something similar happened, but until now its strength has not been tested. The aim of this research is to analyze the strength of the safety device installed on the loader using calculation analysis and test simulations with Finite Element Analysis (FEA). The research began with collecting load data received by the safety device, then carrying out theoretical calculation analysis and simulations using Solidwork software. And the result it by calculating maximum bending stress is 63,30 N/mm2 . Meanwhile, for the strength of the welded joint 424,05 kN, while the actual load received by the welded joint is 6806,891 N. So it can be stated that the welded joint is safe. In the loading simulation using Solidwork software, the maximum stress (57,279 N/mm2), the maximum deformation (0.036mm), and the FOS (4,365). Safety loaders with ASTM A36 material are declared safe because the FOS value is > 2 (safety factor based on static load)
Static structure analysis of EMU CR400AF high speed train’s hollow axle using ansys workbench Tito Syahril Sobarudin Izha Mahendra; Muhamad Fitri
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1206

Abstract

One of the important components in a train is the wheel axle part whose main function is to distribute the load on the train body to the wheels towards the rails. On conventional trains, train wheel axles still often have material failures in the form of cracks and even breaks. The wheel shaft used by conventional trains is solid while the one used in the fast train uses a hollow axle so that the risk is greater. To confirm and confirm the strength of the hollow axle structure, it is necessary to analyze the structure of the hollow axle when receiving static loading due to the load of the train body. The parameters measured are maximum stress, safety of factor, and maximum deformation. The analysis process is carried out using manual theoretical calculations and simulations with finite element methods using ANSYS Workbench software. In the theoretical calculation, the maximum stress value is 59.71 MPa and the safety factor value is 8.87, and the simulation results get a maximum stress of 62.02 MPa, a safety factor value of 8.54, and the maximum deformation that occurs is only 0.086mm. The difference from the theoretical calculation and simulation of the maximum stress and safety of the factor was 3.70% and 3.72%. Based on the results obtained, it can be concluded that the hollow axle is safe because the maximum stress < the material allowable voltage and the safety of factor (SF) value < the material standard value of 4,5
Tool study of waves energy converter with heaving constant of 3675 N/m Imam Fauzie; Wiwit Suprihatingsih; Abdul Hamid
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1207

Abstract

As technology develops, the need for renewable energy is increasing. Ocean wave energy is one type of renewable energy and has high potential due to its abundant availability and unlimited potential range. A wave energy converter is a system that can capture wave energy and convert it into electrical energy. A simple form of periodic motion is an object vibrating at the end of a spring. Therefore it is called simple harmonic motion. The purpose of this study is to verify the performance of the wave energy converter (WEC) pontoon lift vibration based on the principle of forced undamped vibration using the spring constant value to produce optimal electrical energy. This research was conducted by experimental tests on land and on the coast of Tanjung Pasir, Tangerang. The heaving method was used to realize the use of springs in the wave energy converter (WEC). Heaving is the vertical up-and-down motion of a floating structure on undulating water. The lifting motion of a floating structure is the vibration that causes a backward force when the structure is moved from its balanced position. The results of data analysis of the identification of the smallest ocean potential energy without planets using planetary energy reached 0.095 watts, the maximum was 0.986 watts, the smallest reached 121 watts, and the largest reached 955 watts. The resulting speed value is 71.57 rpm and the maximum result is 85.12 rpm. Based on these data, we can produce larger data, which is 955 watts
Design of cold storage as a storage space for animal vaccines at PT. XYZ Sigit Yulianto; Srihanto; Hariyanto; Bantu Hotsan S; Dwi Yulianto
JTTM : Jurnal Terapan Teknik Mesin Vol 5 No 2 (2024): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v5i2.1212

Abstract

A refrigeration system is a system used to cool a room or an industrial product in the food, pharmaceutical, beverage, vegetable, fruit, and other industries to maintain product quality. One of its uses is as storage for various kinds of pharmaceutical needs, including vaccines for both animals and humans. The problem with cold storage is that existing vaccine storage has been in operation for a long time so it is necessary to study whether it is still able to maintain the vaccine storage temperature, namely -80C. The aim of designing cold storage is to maintain a stable vaccine storage temperature. Because vaccines consist of various kinds of microorganisms that are easy to activate. To maintain the quality of the vaccine, cold storage is needed. The research methodology for writing this thesis is to collect design data from one of the vaccine storage industry companies, and literature studies, then analysis of cooling load planning studies, vaccine storage capacity in cold storage measuring 10 x 10 x m 3 meters and determine the power of the cooling machine using a system. standard vapor compression cooler. The results of the analysis of the refrigeration system planning study showed that the indoor vaccine capacity was 30,600 bottles or 2056,701 lbs (822,680 kg), storage temperature -80C, cooling load 308,133 Btu/hr, or 90,283 W, this system uses R 134 A refrigeration. Using refrigerant, power compressor 23.32 kW, or 32 HP, COP 3.9.
Efficacy of jute-glass hybrid laminate composite wrapping under flexural loading Achmad Jusuf Zulfikar; Siswo Pranoto; Din Aswan A. Ritonga; Johannes J.B. Butar Butar; Bincar Orlando Simanjuntak
JTTM : Jurnal Terapan Teknik Mesin Vol 5 No 2 (2024): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v5i2.1214

Abstract

The demand for sustainable engineering materials has catalyzed interest in hybrid composites that combine natural fibers like jute with synthetic fibers such as E-glass. This study investigates the flexural strength of jute/E-glass/epoxy hybrid composite laminates under different stacking sequences, employing the ANOVA method to analyze their mechanical performance. The materials, including jute fabric, E-glass fabric, and epoxy resin, were arranged in various configurations and tested for flexural strength following ASTM D790 standards. The results indicated significant variability, with the GJGJ configuration exhibiting the highest average flexural strength of 71.20 MPa, while the GJG configuration had the lowest at 26.33 MPa. The ANOVA analysis confirmed a statistically significant effect of laminate configuration on flexural strength (F = 6.41, p = 0.004). These findings underscore the critical role of laminate arrangement in enhancing the mechanical properties of hybrid composites. The superior performance of the GJGJ configuration suggests that alternating layers of jute and E-glass fibers can effectively distribute stress and enhance load-bearing capacity. Conversely, suboptimal configurations like GJG demonstrated lower performance, highlighting the importance of strategic fiber arrangement. This research contributes to the development of optimized hybrid composites for various engineering applications, providing valuable insights into the interplay between natural and synthetic fibers within a composite matrix. The study's conclusions support the broader use of hybrid composites in industries such as automotive, construction, and aerospace, where material sustainability and performance are paramount. Future research should explore further optimization of stacking sequences and volume fractions of fibers, as well as investigate other mechanical properties such as tensile and impact strength, to fully realize the potential of hybrid composites in advanced engineering applications

Page 10 of 13 | Total Record : 130

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