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V-MAC (Virtual of Mechanical Engineering Article)
Published by Universitas PGRI Banyuwangi
ISSN : -     EISSN : 25280112     DOI : https://doi.org/10.36526/v-mac.v5i1.1024
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
V-MAC (Virtual of Mechanical Engineering Article) merupakan jurnal yang diterbitkan oleh Program Studi Teknik Mesin Universitas PGRI Banyuwangi yang memuat artikel ilmiah dalam bidang : 1. Konversi Energi 2. Design/Perancangan 3. Teknik Produksi 4. Material, serta bidang lain yang terkait dengan Teknik Mesin.
Arjuna Subject : Teknik (semua kategori) - Mekanik Material
Articles 79 Documents
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Pengaruh Jumlah Sudu Pengaduk Terhadap Pola Pencampuran dan Konsumsi Daya Listrik pada Mixer Vertikal Hindro Prasetyo, Bayu; Rubiono, Gatut; Suryadhianto, Untung
Virtual of Mechanical Engineering Article Vol 5 No 1 (2020)
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

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Abstract

The effective mixing can be seen from the length of the stretching, the number of folding and the consumption of electric power required in the process. A suitable type of stirrer, a varying number of blades, can enrich the flow pattern created. This study aims to determine the effect of the number of mixing blades on the mixing pattern and the consumption of electric power in the vertical mixer. the number of blades varied (number of blades 4,6,8 pieces). The test material is given a dye, so that we can see the mixing pattern that occurs for electrical power consumption can be calculated with a digital multimeter. From the results of this study, we will be able to measure the length of the stretching and the number of folding produced in rounds 1-4. And will be compared with the required electric power consumption. The results showed that the more mixing blades used, the less power consumption required. The more blades used, the longer the stretching results. The more mixing blades used, the more folding can be produced..Keywords: mixing, stretching, folding, number of blades
Pengaruh Sudut Kemiringan Ayakan Getar (Vibrating Screen) Terhadap Unjuk Kerja Ayakan Haryono, Achmad; Rubiono, Gatut; Qiram, Ikhwanul
Virtual of Mechanical Engineering Article Vol 5 No 1 (2020)
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

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Abstract

Sieving is the separation of various mixtures of solid particles that have various sizes of materials using a sieve. The sieving process is also used as a cleaning tool, separating contaminants with different sizes from the raw material. This study aims to determine the effect of the vibrating screen angle on the sieve's performance. The research was conducted by experiment using a flat type vibrating sieve. The angle of the sieve was varied by 0, 5o, 10oand 15o. The vibratory motion of the sieve was varied with the crank method using a rotation of 13.5; 21.3 and 27 rpm. The sieve holes use a screen with mesh sizes number 8, 10 and 12. The sifted sand is 1 kg. Data were collected for the fine and coarse sieve results and the sieving time. The results showed that the angle of the sieve had an effect on the performance of the sieve .
Pengaruh Jumlah dan Rasio Sudut Lengkung Sudu Terhadap Unjuk Kerja Turbin Angin Savonius Heliks Ahmad Lazim Rosyid; Ikhwanul Qiram; Dewi Sartika
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1038

Abstract

The helical Savonius is a vertical wind turbine that can utilize wind energy to become a renewable energy source. This study aims to determine the effect of the number of blades and the ratio of blade bends on the performance of the Savonius helical wind turbine. The research was conducted through experimentation using variations in the number of blades 2 and 3 blades. Variation of blade bending ratio H / L = 6/10, 7/10 and 8/10 and variations in wind speed (4.0), (5.2), (6.4) and (7.4) m / s. The turbine performance analysis is reviewed based on the shaft rotation (RPM) of the turbine and the output voltage (volts) generated by the generator connected to the turbine shaft. The results showed that the wind speed, the number of blades, and the blending ratio of the blades affect the performance of the Savonius helical wind turbine. The results of the maximum wind turbine performance test at a variation of 3 blades, a ratio of 6/10, and a wind speed of 7.4 m / s, produce a shaft rotation value of 472.9 rpm and a generator output voltage value of 5.51 volts. Keywords: Helical Savonius, number and ratio blade bend, wind speed, performance
Pengaruh (Matrik) Pola Susunan Serat Terhadap Karakterisktik Peredam Suara Berbahan Sabut Kelapa Asrul Ainun Najah; Ikhwanul Qiram; Dewi Sartika
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1039

Abstract

Noise is something that can be annoying. A silencer is a tool to reduce unwanted sound. This study aims to obtain the matrix characteristics of the fiber arrangement pattern on sound attenuation and the ratio of the composite material mixture. The method used in this research is to vary the ratio of flinkote oil mixtures 70%: 30%, 60%: 40%, 50%: 50%, as well as variations in the matrix pattern of coconut fiber composition with parallel matrices, straight oblique cross, how to make composites with how to spray flinkote oil onto the fibers using a spray gun. The analysis of the research is the reduction of the sound produced. The ratio of the mixture and the matrix of the fiber arrangement pattern affects the resulting sound reduction value. The results showed that the flinkote oil mixture ratio of 60%: 40% resulted in the highest reduction value of 4.96%, for the lowest results found in the ratio of flinkote oil mixture 50%: 50% fiber with a noise reduction value of 4.24%. The results of the analysis show that the ideal mixture occurs in composites of 60%: 40%, so that the flinkote oil can bind the fibers sufficiently and the composites are porous, in the 50%: 50% composites there are strains because the flinkote oil is unable to bind the fibers. In the fiber arrangement pattern matrix, there is the highest noise reduction value in the parallel matrix, namely 4.96%, for the lowest result is in the straight-sloping matrix with a reduced value of 3.90%, the analysis results in the parallel matrix have good noise wave propagation, because In the parallel matrix there is no wave interference phenomenon, resulting in parallel propagation of noise waves, in the straight-sloping matrix there is an interaction phenomenon between incoming waves and waves called interference so that noise waves increase and result in a low noise reduction level.
Pengaruh Beban Tersebar dan Terpusat Terhadap Lendutan (Cantilever) Batang Besi Anas Mukhtar; Ikhwanul Qiram; Alfiantri Deswantoro
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1040

Abstract

In development planning in the mechanical industry or civil engineering construction, it is very common to use the properties of the iron rod material which can deflect or what is known as a cantilever. The factors that affect the size of the force exerted on the stem are directly proportional to the amount of deflection that occurs. In other words, the greater the load experienced by the rod, the greater the deflection. Deflection of rods plays an important role, especially in building construction, wherein certain parts such as the shaft, deflection is very undesirable. Because of deflection, the work of the shaft or construction will be abnormal so that it can cause damage to the construction or other parts. This study aims to find out how much deflection of cantilevered rods using metal plate material when given a distributed and concentrated load. Based on the data obtained from the research process, the results in this study indicate that there is an effect of slackening distance on the iron plate with 3 variations in loading. The results showed that the loading rate affected changes in the angle of deflection of the iron plate in every variation of the number of plates used. The greatest effect occurred in the plate variation size of 0.8 mm with a loading level of 3 kg, namely 3.64 x 10-5 and the smallest effect on plate variations was 1.8 mm with a loading rate of 3 kg, which was 0. The results showed that the loading rate was spread across 3 plate variations. with a load of 3 kg spread over 3 points with a distance of 15 cm from point 1 to point 3. The biggest deflection effect occurs in plate variations of 0.8 mm which is 3.64x10-5 and the smallest effect on plate variations is 1.8 mm with the same load of 0.
Rancang Bangun dan Analisis Akurasi Dinamometer Untuk Kajian Biomekanika Gaya Penari Bapang Prasetyo Adri Pamungkas; Muhammad Agus Sahbana; Nurida Finahari
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1042

Abstract

Biomechanics is the study of internal and external forces acting on the body of living things and the effects of these forces. The study of the motion of living things is carried out by applying theories and laws of motion. The forces acting on the human body organ systems in biomechanics include gravitational force, body reaction force and muscle force. These forces can be measured using a dynamometer. This study aims to design a load cell sensor-based dynamometer which is used as a mass sensor, applied to the design, then analyzed its accuracy for the study of the biomechanics of Bapang dancers. The design is based on the availability of research funds but refers to the Mettler Toledo weighing principle, where the floor scale is designed as a measuring base for the dancers to perform their dances. The area of ​​this measuring base is predefined as 1.25 x 1.25 m. This has reduced the accuracy of the design results considering the ideal area for free dancing is 3 x 3 m. The design results have worked well and can record changes in the load during changes in dancer movements. The measured reading accuracy value reaches 98.36% but still includes measurement errors due to differences in the place and time of the calibration measurement, and differences in the clothes of the people who are the object of the load. The load reading display captures an average time delay of 0.468 seconds. It is recommended that the drawbacks of this design be corrected by designing a dancer's load measurement system using a load sensor that is shaped like a ballet shoe, but uses a wireless data transfer system so that the dancers can move freely. In addition, the shoe-shaped dynamometer design can definitively separate the load readings for the right and left feet.
Pengaruh Parameter Pemotongan Dan Nose Radius Pahat Insert W-Style Pada Pembubutan Baja S45c Henry Widya Prasetya; Hari Boedi Wahjono
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1054

Abstract

In the manufacturing industry, the cutting process, especially lathes, has developed rapidly, one of which is in the rail transportation industry sector. The purpose of this study was to determine the effect of cutting parameters and the nose radius of the W-style insert tool on the level of surface roughness in the turning process of S45C steel. This research uses experimental research methods. In this study, using a variation of cutting parameters and nose radius. Variations in cutting parameters using cutting speeds of 195 Rpm, 300 Rpm and 440 Rpm. Variation of the depth of cut 1 mm and 2 mm. Variation of feed speed 0.1 mm / rev, 0.2 mm / rev and 0.3 mm / rev. While the variation of the nose tool radius for inserting W-style is 0.4 mm and 0.8 mm. After turning the surface roughness test was carried out using the Surface Roughness Tester. The results of this study indicate that the increasing cutting speed and nose radius of the insert tool, decreasing feeding velocity and cutting depth results in good surface quality. Keyword: W-series insert tool, nose radius, surface roughness.
Analisis Kekuatan Alat Pengaman Valblock Pada Coupler Kereta ilham satrio utomo; Dadang Sanjaya Atmaja; Henry Widya Prasetya; Firmansyah Fariz Prasaja
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1060

Abstract

The purpose of this study was to analyze the stress, displacement, and factor of safety that occurred in the valblock safety device. With the maximum load that occurs at the knuckle is 7473 N. Testing is done using Solidworks simulation software. The material used is AISI 1045 with allowable stress of 450 MPa. The results of the analysis that came out of the simulation were the maximum stress values, displacement, and the factor of safety. The maximum stress results in static conditions that the tool is only able to withstand loads up to 7000 N with a value of 3,540 , and does not exceed the maximum allowable stress limit of the tool, which is 5,300 . The result of the loading is a change in the shape of the stem, namely displacement or deflection. The results obtained from the deflection of 1.3 mm. For the results of the factor of safety, the tool is worth 1.5 at a load of 7000 N so that the valblock safety device is safe to use up to 7000 N loading. Key Words: Coupler, Valblock, Tegangan, Solidwork 2017
Pengaruh Susunan Laminasi Serat Gelas Terhadap Kekuatan Tarik Komposit Untuk Bodi Lori Inspeksi Henry Widya Prasetya; Dadang Sanjaya Atmaja; Ilham Satrio Utomo
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1061

Abstract

Composite material is a type of new, engineered material consisting of two or more materials where the properties of each material differ from one another both in chemical and physical properties and remain separate in the final material. Composite materials have many advantages, one of which is lighter weight and corrosion resistance. In this study, composites made from glass fiber were carried out with variations in the arrangement of laminates, in order to select the material which was then applied to the manufacture of the inspection lorry body. Composites were made using the hand lay-up method. Tensile test specimens made according to ASTM D-638. The results of the tensile test show that the highest tensile strength of glass fiber composite material for the inspection lorry body is 5.45 MPa and the lowest tensile strength is 4.62 MPa. Keyword: composite, glass fiber, tensile test, inspection lorry
Pengaruh Bentuk Umpan Pancing Buatan (Jigs) Terhadap Pola Aliran Fluida Eko Setyo Adi Santoso; Ikhwanul Qiram; Anas Mukhtar
Virtual of Mechanical Engineering Article Vol 5 No 2 (2020): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v5i2.1065

Abstract

Jig is a fishing rod that is usually used to catch squid or cuttlefish in the form of fish, shrimp, or others. This study aims to determine the effect of differences in the shape of the surface of the jig on the flow pattern of freshwater fluids. The study used a variation of 3 jig surface shapes with the same length, namely 7 cm, 1 cm wide. The angle of inclination of the jig includes 15⁰ and 30⁰. The type of flow is laminar conditioned using a volume flow rate of 76.60 liters per second. The jig is conditioned to move up and down using an electric motor. The flow patterns formed were analyzed using visual tests and measurements using Kinovea 0.8.15. The results showed that the shape of the surface of the jig had an effect on the fluid flow pattern. The highest wave occurs at jigs 3 with 15⁰ variation with a wave crest of 4.55 cm, while for jigs 1, 30⁰ variation produces the lowest wave of 1.51 cm. Keywords : Jigs, shape jigs, angle jigs, flow patterns, waves

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