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Rollastin, Boy
Politeknik Manufaktur Negeri Bangka Belitung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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KAJI EKSPERIMENTAL MATERIAL KOMPOSIT BERPENGUAT SERAT DAUN NANAS PADA PENGUJIAN BALISTIK Galindra Mutiara Rahmatullah; Boy Rollastin; Juanda Juanda
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 1 (2021): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

The pineapple plant is one of the most prominent plants in Indonesia, the value of the pineapple leaf could be said to have no sell or be called a waste. The use of composite materials with natural fiber filtering is growing. Composites are materials made up of two or more different materials. In this study used epoxy particle composites with doubles of the hollow glass microsphere and fibers of the pineapple leaves. In this research conducted a 3 thickness test of 10 mm, 15 mm, and 20 mm. The test results were obtained that projectile-pierced specimens with depth damage after penetrating the succeeding specimens of 58 mm, 10 mm and 4 mm. From the results is obtained, specimens were not safe to use because according the criteria for failure of bulletproof vest from the aspect of penetration is penetration should not exceed from thick vest or can be said sould not a translucent.
OPTIMASI PARAMETER PROSES 3D PRINTING FDM TERHADAP KEKUATAN TARIK FILAMENT ABS CCTREE MENGGUNAKAN METODE TAGUCHI L9 ade Ferdiansyah; Pristiansyah Pristiansyah; Boy Rollastin
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 1 (2021): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

3D Printing is an additive manufacturing technique that can be used to convert computer aided design (CAD) data and then print it by adding material layer by layer to form a 3D product. One technique or method that is often used in 3D Printing technology is FDM (Fused Deposition Modeling), because this technique is the easiest to use and the cheapest. The purpose of this study was to obtain the optimal process parameters on 3D Printing FDM to the resulting tensile strength. This study uses the Taguchi method with an experimental design used L9 (34) OA. The material used in this research is ABS CCTREE. The process parameters used in this research are nozzle temperature (°C), table temperature (°C), layer thickness (mm) and print speed (mm/s). The strongest tensile strength value is 41 Mpa. Parameters that produce the strongest quality are performed at table temperature (92 °C), nozzle temperature (237 °C), layer thickness (0.22 mm) and Print speed (42 mm/s).
STUDI EKSPERIMEN PENGARUH KEKUATAN MATERIAL KOMPOSIT HGM, EPOXY DAN SERAT DAUN NANAS TERHADAP KEKUATAN TARIK DAN IMPAK Muhammad Alfarizi; Boy Rollastin; Sukanto Sukanto
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Pineapple leaf fiber is one of the plantation wastes that is rarely processed and has a low selling value, Therefore, pineapple leaf fiber is used as a reinforcement for composite materials with an epoxy as a matrix and 16% filler material in the form of Hollow Glass Microsphere which is expected to produce renewable materials that can increase the selling value of the waste.. This study aims to determine how the effect of composite composition on tensile strength and impact of several parameters used. The testing process carried out is tensile test and charpy impact test with matrix and fiber volume fractions, namely, 74%:10%, 12.5%:71.5%  and 15%:69%  with horizontal and vertical fiber directions. Based on this study, specimens with a fiber fraction thickness of 15% with a vertical direction resulted in an average tensile strength of 84.83 MPa and the highest average impact strength was obtained in specimens with the same parameters is 0.1367 J/mm².
ANALISIS KEKUATAN MATERIAL KOMPOSIT KOMPOSISI HGM & EPOXY DENGAN PENGUAT SERAT ALAM SEBAGAI BAHAN ALTERNATIF PELINDUNG TOE CAP SEPATU SAFETY Rendyatama Aprila; Boy Rollastin; Husman Husman
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Composite is the process of mixing or combining two or more materials where the two materials have different properties, the results of the mixture can be referred to as (composite materials). The purpose of this research was to make composite specimens made from epoxy resin, Hgm, balsa wood fiber as natural reinforcement and carried out impact and tensile tests to determine whether the strength of the composite could be an alternative as a substitute for protective Toe caps for safety shoes. The balsa wood used in the tensile test specimen is in the form of sticks with a length of 16cm and a thickness of 3mm which has 3 test parameters, namely 1 balsa stick, 2 balsa sticks, and 3 balsa sticks. As for the impact test, 1 stick of balsa stick with a length of 7.5 cm and a thickness of 3 mm. Keywords: Composite, Balsa wood, Hgm, Epoxy, Impact and Tensile
IMPLEMENTASI DAN ANALISA KINERJA SISTEM UJI PADA RANCANGAN ALAT UJI PENETRASI STANDAR SNI 1811-2007 Eril Kapri; Boy Rollastin; Muhammad Yunus
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Requirements so that the product can be declared passed and standardized. One of the tests carried out is penetration testing, this test is carried out to determine the mechanical properties of the material being tested. In this research, a test instrument is made for penetration testing, where in this test it can be known directly, what happens to the material being tested when a sharp object is punctured or an impact with a sharp object occurs. The penetration tester identifier is made in the form of a cylinder with a PVC guide pipe with a size of 1 inches. To determine the accuracy of the test equipment, the indenter is dropped on the test material from a certain height, namely 160 cm, for the data collection process by marking the indentation marks and visually observing them. For the indenter material used 4340 aisi steel because the steel can be hardened to a hardness of 50 HRC. In the penetration test equipment there are forces acting. The force is that the indenter has a gravity of 30.9 joules. And the potential energy when the identor falls from a height of 1.6 m is 49.44 joules. And the velocity of the identor when it falls is 5.6 m/s.
ANALISIS PROSES PRODUKSI BATA RINGAN DENGAN RESPON SURFACE METHODE Sahril Mashuri Ihsan; Boy Rollastin
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Light brick is a building material that is still quite foreign among the middle to lower society, the composition of light brick building materials is still quite interesting to research. In some previous studies, attempts to find the optimum composition of light brick mixtures used experimental methods that evaluated the influence of a factor in an experiment. The outcome of a production process can be influenced by a variety of factors. In this study was conducted to find the optimum composition of light brick building materials by applying the Response Surface Methode method. Research shows that the proportion of materials that produce the most optimal water absorption is rice husk (8.5%) and foam agent (0.9%), which is able to produce light bricks with an average water absorption of 50.22%.The results of this study also recommend a general equation to predict the absorption of light brick water when using both compositions of the material, namely: Y = 43,206 - 2.119X_1 - 1,228 X_2 - 8,479 x_1^2 – 2,264 x_2^2 - 13.785X_1 X_2 with X_1 and X_2 respectively is the proportion of rice husks and foam agents, respectively.
Rancangan Pembangkit Listrik Tenaga Angin dan Surya dengan Turbin Angin Sumbu Vertikal Savonius Menggunakan Bentuk Sudu L dengan Kapasitas Daya Sebesar 746,5 Wh Wahyudi, Deni; Rollastin, Boy; Pranandita, Nanda
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 2 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i2.57

Abstract

The design of wind and solar power generators is the goal of utilizing solar thermal energy and wind speed on the coast. To get a design result that is in accordance with the power requirement of 720 W, therefore the results of this design have followed the steps in the VDI 2222 method. From the results of the calculations that have been carried out the Savonius type wind turbine uses an L-shaped profile, with a diameter of 710 mm and a height 592 mm can produce a power of 279.072 Wh. And for the power generated from a Polycrystalline type of solar panel with a capacity of 50 Wp as much as 1 unit can produce a power of 467.5 Wh. Based on the calculation results of the combination of wind turbines and solar panels, a power of 746.6 is obtained. So that with this power it meets the capacity of the power requirement of 720 Wh. From the results of the calculation of the strength analysis of the material on the turbine shaft with material type SS 304 using SolidWorks software, it is known that the allowable stress on the material SS 304 is 200 MPa, then the resultant torsional stress with a load of 1217 Nm produces a yield strength of 1.723e+002 N/mm2(MPa), and the max torsional stress is 1.723e+000N/ mm2 (MPa).
Implementasi Proses Manufaktur Pembangkit Listrik Bertenaga Angin Dan Surya Di Pesisir Pantai Matras Kevin, Cristian; Rollastin, Boy; Husman, Husman
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 2 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i2.58

Abstract

Indonesia is a country rich in natural resources and natural resources. These natural resources can be in the form of wind and solar heat, wind and solar heat can be utilized as an alternative to power generation with the type of power generator in the form of wind turbines and solar panels. In certain areas there are still many that require a supply of electric power, for example in the Turun Aban Beach area. At that location there is no electricity supply at all. Meanwhile, the fishermen at the Turun Aban Beach location often carry out the process of transporting their catch at night. Therefore, to meet the needs of these fishermen, they can use alternative power generators in the form of wind turbines and solar panels. Coastal areas have great potential for wind speed and solar heat. This research examines the process of implementing wind and solar power generators that will be used as alternative lighting for fishermen on the Turun Aban Beach, Matras Bangka Village. The process of making the tool will be carried out at the PolmanBabel Mechanical Workshop. Making this tool will go through several stages such as cutting the frame material, welding, turning and also assembling the electrical circuit on the tool.
Pengaruh Fraksi Volume Terhadap Kekuatan Tarik Pada Serat Resam Menggunakan Resin Polyester BQTN-EX prasetyo, Iksan; Juanda, Juanda; Rollastin, Boy
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 1 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i1.66

Abstract

Along with the times, the technology of utilizing natural fiber composite materials has developed, including in the field of engineering materials. One of them is natural fiber. This resam plant is easy to get because it is used in almost all corners of Indonesia, including the Bangka Belitung province because it is easy to process, and has stem content and stem size. The purpose of this study was to determine the best value for the effect of volume fraction on the tensile test of resam fiber composite materials. This study used a volume fraction variant of 10%, 15% and 20% by immersion in NaOH for 30, 60 and 90 minutes. The highest average results were obtained from the tensile test obtained from the 15% volume fraction with 60 minutes of NaOH immersion and the lowest average values were obtained from the 15% volume fraction with 90 minutes of NaOH immersion. From the research results obtained, it was concluded that the average value and variance of the tensile strength of resam fiber was found at the level 2 immersion time factor, which was for 60 minutes and the level 2 volume fraction factor, which was 15%. volume fraction, the most optimal.
Optimasi Variasi Jumlah Blade Inlet Turbo dan Outlet Turbo Terhadap Gaya Dorong Pada Prototype Waterjet Thrusther Produk 3D Printing Menggunakan Metode Taguchi Oktavianto, Mario; Rollastin, Boy; Hasdiansah, Hasdiansah
Jurnal Inovasi Teknologi Terapan Vol. 2 No. 1 (2024): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v2i1.146

Abstract

Efforts to improve Indonesia's maritime security continue to be increased by carrying out maritime security operations using a patrol fleet. The ability to maneuver well is needed by a ship to carry out encryption and security against enemies. This research aims to find a combination of Waterjet Thrusther ship propulsion system components that produces the most optimal thrust. The Waterjet Thrusther prototype was made using a 3D printing machine with FDM (Fused Deposition Modeling) technology using ST-PLA (Super Tough Polylactic Acid) filament. This research uses the Taguchi method to create an experimental design. The variables used are the number of turbo inlet blades, impeller type, and the number of turbo outlet blades. The test was carried out using tools in the form of a test vessel weighing 8.06 kg with an electric motor drive engine. The results of this test obtained the highest thrust force in the 2nd variation using a 3 blade type 2 impeller, 13 blade turbo inlet, and 13 blade turbo outlet with the lowest thrust force value of 2.231775 N. The 9th variation produced the lowest thrust force of 0,711225 N using Inlet Turbo 15 blades, Impeller 3 blade type 3, and Outlet Turbo 15 blades.
Co-Authors Abdallah, Fajar ade Ferdiansyah Alzamanur, Salas Deni Wahyudi Diah Mayleni Eril Kapri Erwansyah Erwansyah Erwansyah Erwansyah Esya Abinda, Azora Galindra Mutiara Rahmatullah Harwadi, Harwadi Hasdiansah, Hasdiansah Hidayat, Rizal Tegu Husman Husman Husman, Husman Idiar , Ilham Ary Wahyudie Juanda Juanda Kevin, Cristian Masdani Masdani Muhammad Alfarizi Muhammad Riyadi Muhammad Riyadi Muhammad Setya Pratama Muhammad Yunus Nanda Pranandita Novizal Novizal, Novizal Nuri Aslami Oktavianto, Mario Oktriadi, Yudi prasetyo, Iksan Pristiansyah, Pristiansyah Rendyatama Aprila Rienera, Salsabilla Rifky Rizaldy Sahril Mashuri Ihsan Solly Aryza Veithzal Rivai Zainal Yang Agita Rindri Yuliyanto Yuliyanto Yuliyanto Zaldy Kurniawan Zulkarnein, Faruq Akbar