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Machine : Jurnal Teknik Mesin
Published by Universitas Bangka Belitung
ISSN : 25022040     EISSN : 25810138     DOI : -
Core Subject : Engineering,
Automotive Engineering Mechanical Engineering
Arjuna Subject : -
Articles 9 Documents
 1 
Search results for , issue "Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin" : 9 Documents clear
SIMULASI NUMERIK I : PENGARUH TEKANAN INJEKSI TERHADAP KARAKTERISTIK SEMPROTAN BIODIESEL MINYAK GORENG BEKAS I Gede Teddy Prananda Surya
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.2505

Abstract

Mexican Hat adalah jenis ruang bakar yang banyak digunakan pada motor diesel putaran rendah agar menghasilkan daya yang besar. Penetrasi semprotan diawali dengan primary breakup yang terjadi pada nozzle tip akibat pengaruh bentuk nozzle serta tekanan injeksi kemudian dilanjutkan dengan secondary breakup saat berinteraksi dengan udara dalam ruang bakar. Bentuk kepala piston Mexican hat yang cekung bertujuan untuk memecah droplet menjadi berukuran lebih kecil setelah tumbukan. Hasil penelitian menggunakan FLUENT 6.2 ini membuktikan bahwa peningkatan tekanan injeksi akan mempersingkat waktu breakup dan panjang breakup sedangkan regim splash saat semprotan biodiesel Minyak Goreng Bekas menumbuk dinding piston hanya terjadi pada tekanan injeksi 1750 dan 200 bar. Kata kunci : penetrasi semprotan, biodiesel, tekanan injeksi
PERANCANGAN CETAKAN INJECTION MOLDING HANDPRESS MATERIAL KOMPOSIT PPHI DAN SERAT ALAM Alfan Ekajati Latief; Nuha Desi Anggraeni; Ichsan Putera
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.2554

Abstract

Injection molding is a method of forming a thermoplastic that is heated until it melts and then injected with high pressure into the mold so that the thermoplastic material will harden in the mold. The type of injection molding used is the hand press type with a pressure capacity of 34.83 MPa and a barrel capacity of 273 cm3. The mold that will be designed is to make a tensile test specimen ASTM 3039, an Impact test specimen ASTM D 6110-04, and a bending test specimen ASTM D 695. Determination of the specimen pointing to the type of material used is a composite with a high impact polypropylene matrix (PPHI) and natural fibers of Ramie and pineapple leaves. The mold design will initially make 2 mold designs based on the flow of material entering the mold, with the material being tested is 100% PPHI. After getting the optimal one, the composite will test the optimal mold with different types of PPHI composite material and 10% different volume fractions of natural fiber. Namely, pineapple and Ramie fibers with the parameters used as references are fill of time, Pressure at end fill, and Temperature at end fill. In this study, it can be concluded that of the three specimens above, the pineapple leaf fiber has high pressure and temperature at the end fill compared to Ramie fiber.Abstrak ditulis dalam Bahasa Inggris, satu paragraf, memuat tujuan, metode penelitian yang digunakan dan hasil.
RANCANG BANGUN MESIN CNC LASER GRAFIR UNTUK PEMBUATAN BIDANG SILINDER DAN DATAR IRFAN SANTOSA; Mafazi Rifqi; Mouhammad Agus Shidiq
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.2741

Abstract

The development of technology that is growing rapidly at this time has had an impact in various fields, including in the industrial sector. In Indonesia, industrial equipment is still mostly imported from abroad. This of course makes it difficult for the industry in Indonesia to develop because of the high price of industrial equipment. To overcome this, it is necessary to conduct research on the design of industrial equipment for domestic production. In this article, a CNC tool is designed that can be used for engraving or in other terms to automatically draw a pattern on a certain area. Laser Engraving Machines require a circuit control system that functions as the brain of the machine. The purpose of this research is to design a control system for a laser engraving machine using a microcontroller. In this study, the method used is an experimental method in the form of a laser engraving machine design including a driving mechanism, structural elements and the design process. All parameters will be set and operated through the CNC control system so that the laser engraving machine can operate properly. The design planning of this CNC Laser Engraving machine has dimensions with a length of 600 mm, a width of 500 mm. The assembly process for the CNC Laser Engraving Machine is classified into several parts, namely: Basic Machine Framework with an assembly time of 50 minutes, Y-Axis Assembly Moves Tool Front-To-Back with an assembly time of 32 minutes, X-Axis Assembly Moves Tool Side-To-Side with assembly time of 13 minutes, Rotary Table with assembly time of 25 minutes. The performance results of each Axis on this CNC Laser Engraving machine have a high level of accuracy, namely: X Axis = 100%, Y Axis = 100%, Rotary Axis = 100%
ANALISIS PENGARUH MODIFIKASI BERAT ROLLER TERHADAP PERFORMA PADA MOTOR MATIC 110 CC DENGAN METODE PENGUJIAN DYNOTEST Agung Nugroho
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.2926

Abstract

Telah dilakukan pengujian dynotest. Tujuan penelitian ini adalah untuk mengetahui pengaruh variasi berat roller terhadap torsi, daya dan efisiensi pada sepeda motor matic. Penelitian dilakukan dengan memvariasikan berat roller R sebesar 9 g, 10 g, 11 gr, dan 12 g. Hasil penelitian menunjukan awalnya sepeda motor dengan torsi 18,86 Nm / 2826 rpm. Peningkatan torsi terbesar 1,88 Nm dimiliki oleh roller weight 9 g dengan 20,74 Nm / 2220 rpm, selamjutnya terjadi penurunan sebesar 3,56 Nm pada roller weight 10 gr dengan hasil 17,18 Nm / 3000 rpm. Namun pada roller 11 g torsi menurun sebesar 17,08 Nm / 2752 rpm. Kemudian pada roller 9 g memiliki daya 8,5 hp dengan 5326 rpm, Roller 11 g memiliki daya 8,5 hp / 5551 rpm dan mengalami peningkatan pada roller 10 g dengan daya 8,6 hp /5086 rpm..
RANCANGAN ALAT BANTU PELEPAS WINDSHIELD PADA PESAWAT KING AIR B200 GT Iwan Engkus Kurniawan
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.2950

Abstract

King Air is a type of aircraft that is supported by a dual engine, namely the PT6A-52 engine model, this engine is an engine with the latest model of its type, namely the PT6 engine. Routine maintenance of the Beechcraft King Air B200 is carried out in phase 1, phase 2, phase 3, phase 4, special inspection program, lubrication program, and continuous corrosion control inspection. Including windshield maintenance which is included in On-condition maintenance, if cracks, delamination on the glass are found, or the heater on the Windshield does not work, it must be replaced. With the weight of the windshield and the tensile load of the sealent of 47.75 kg. Then a tool is needed to help remove the Windshield. This research focuses on how to design a windshield release device using Solidworks software that is able to pull the load from the windshield and is able to hold the windshield until it is brought to the ground. The design process uses the VDI (Verein Deutscher Ingenieure) 2221 method which includes several design combinations, and then the best design is selected as desired. The design of the windshield release device uses 4 vacuum suctions to lift the windshield made of silicon and NBR with a diameter of 100 millimeters each with a suction power of one vacuum of 353.25 N and the total for 4 vacuums is 1413 N. And for the main frame, ductile iron is used. Which has a yield strength of 379 MPa and threaded using Stainless Steel 304 with a Yield Strength of 205 MPa
STUDI KONSUMSI BAHAN BAKAR SOLAR PADA MESIN INDUK KM. FORTUNA Boby Wisely Ziliwu
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.3015

Abstract

Consumption of fuel oil (BBM) at a fishing port is usually much influenced by the number of ships and what types of fishing vessels are actively operating in the fishing port. The more the number of fishing vessels operating, the more the amount of fuel oil (BBM) needed and vice versa. Basically the number of fishing vessels operating depends on the fishing season. The type of fishing vessel also affects the characteristics of fishing vessels, such as trip time and fishing ground area. The role of diesel fuel is very important for capture fisheries activities, especially to support the operation of each ship with purse seine fishing gear available at PT. Batam True Sea Products. One of them is KM. Fortuna. The making of this report aims to calculate the amount of solar demand that exists on KM. Fortuna. Field research was conducted for approximately 25 days. Primary data were collected through observations and interviews with 1 engine room head (KKM) and 1 crew member in the engine section of the KM. Fortuna Secondary data obtained directly from PT. True Sea Products. Diesel fuel for the needs of purse seine ships in the port usually depends on the size, type, and length of time the ship operates at sea, for KM vessels. Fortuna was given a supply of diesel fuel per sail of 12,941,181 liters or 11 tons.
ANALISA KERUSAKAN PADA LORI PENGANGKUT TBS DI PT. KARYA TANAH SUBUR M Amri
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.3350

Abstract

Pabrik pengolahan minyak kelapa sawit merupakan sebuah industri yang mengolahan sawit mentah atau tanda buah segar menjadi minyak sawit setegah jadi (crude palm oil). Yang mana pada pabrik pengolahan Tanda Buah Segar (TBS) mengunakan berbagai alat untuk memper lancar proses pengolahan, salah satu alat yang digunakan pada pengolahan buah sawit adalah lori yang berfungsi untuk mengangkut Tanda Buah Sawit dan jugak sebagai tempat untuk menampung buah sawit saat buah sawit direbus dalam sterilizer. Pada penelitian ini akan dilakukan penelitian tentang kerusakan pada lori pengangkut Tanda Buah Segar di PT.Karya Tanah Subur. Setalah dilakukan pengamatan pada lori pengangkut Tanda Buah Segar di PT.Karya Tanah Subur terdapat beberapa kerusakan yaitu kerusakan pada Bhusing lori yang mengalami keausan, kerusakan pada poros roda lori yang mengalami keausan, kerusakan pada pada pelat body lori yang terlepas di bagian pengelasan dan bagian gagang tempat penarik lori yang putus. Penyebap dari kerusakan tersebut disebabkan oleh berbagai macam faktor seperti faktor manusia (kesalahan operator dalam mengoperasi), faktor lingkungan (lingkungan area kerja seperti arus laut), faktor material (material tidak sesuai dengan kinerja lori) dan faktor mesin (lori tidak beroperasi atau cacat dalam produksi). Dalam perbaikan lori dapat dilakukan permeriksaan data per hari (daily inspection), pemeriksaan bulanan (monthly inspection) dan pemeriksaan tahunan (years inspection).
MESIN PENCACAH SAMPAH ORGANIK TIPE PIRINGAN DENGAN KEMIRINGAN SUDUT HOPPER INPUT 60 DERAJAT Saparin Saparin; eka Sari Wijianti; budi santoso wibowo
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.3415

Abstract

ABSTRACT Waste can be divided into two categories: organic waste and inorganic waste. Compost produced from organic waste has the potential to be created. The purpose of this research is to create a crusher for organic waste. The engine's designed specifications called for such a 6.5 HP gasoline engine with a pulley and belt transmission. 1918 mm in length, 639 mm in width, and 1046 mm in height compose up the entire engine. The blade's dimensions are 160 mm in length, 60 mm in width, and 10 mm in thickness. The blade's cutting angle is inclined at a 30 °. There are two pieces of chopping blades. The rotor blade shaft rotates around 1694 to 1741 rotations per minute. The test mass is 2900 grams, and the test duration is 32.10 seconds. The input hopper angle is 60 degrees slant. The machine does have a production capacity of 293.93 kg per hour. The machine's production efficiency is 92.82%. Keywords: crusher, waste processing
PENGARUH VARIASI FUEL CORRECTION TERHADAP KONSUMSI BAHAN BAKAR PADA MOBIL TARSIUS GV-2 UNIVERSITAS BANGKA BELITUNG budi santoso wibowo; suhdi suhdi; Saparin Saparin; Yudi Setiawan
Machine : Jurnal Teknik Mesin Vol 8 No 2 (2022): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v8i2.3416

Abstract

The Energy Efficient Car Competition (KMHE) is an annual competition organized by the national achievement center (puspernas), Bangka Belitung University regularly participates in the KMHE competition starting from 2015 to 2022, but UBB's KMHE car has not been able to compete to win the category of prototype gasoline, car KMHE has many shortcomings, especially fuel consumption which is still relatively high, namely 130 km / liter, one method of saving fuel consumption is by adjusting the length of time the injector opens (fuel correction). This study aims to determine the effect of the fuel correction value with a variation of 0 , -11, -23, and -27 on fuel consumption. The Electronic Control Unit (ECU) used is a programmable type ECU, the test is carried out at various engine speeds (RPM 1000, 2000, 3000, 4000 and 5000) with a 5 minute test time. The results showed that the most efficient data on fuel consumption was at fuel correction -27 at 1000 RPM, namely 4 ml and the highest fuel consumption was at correction 0 at 5000 rpm, which was 67 ml.

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