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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 180 Documents
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PEMANFAATAN MESIN PENCACAH DAN MESIN PRESS SEBAGAI ALAT PENGOLAH SAMPAH MENJADI PRODUK BERNILAI EKONOMIS Zulkia, Dwi Rizka
Machine : Jurnal Teknik Mesin Vol 9 No 1 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i1.3918

Abstract

The main contributor to the problem of slum settlements in urban areas is the issue of waste. Waste management that does not comply with the technical requirements encourages local governments to build TPS3R in residential areas. TPS3R KSM Kawa Begawe in Selindung Village is one of the real works of collaboration between the local government and the central government. TPS3R was founded in 2016 and developed in 2022 by providing organic and inorganic chopping machines, hydraulic press machines and maggot feed pulping machines. The purpose of this research is to find out whether this machine has been used optimally and has been able to improve the community's economy. The method used is a mixed method, where quantitative data is analyzed using simple calculations and qualitative data is analyzed using descriptive analysis. The results of the analysis found that as the population increases, TPS3R is urgently needed as an effort to reduce waste production by reducing disposable items or processing waste into other useful products and can open up new job vacancies so that it eventually becomes a source of income for the local community. In terms of the economic development plan, when this machine has been used optimally, this place will become a qualified source of income for the local community. The results of this study are certainly proof that TPS3R does not only answer the problem of environmental pollution caused by waste, but can also produce products that have economic value from waste processed at TPS3R KSM Kawa Begawe.
RANCANG BANGUN ALAT PENGERING BAJU MENGGUNAKAN UDARA PANAS Kadriadi, Kadriadi; Wirakusuma, Kadex Widhy; Pratama, Angga Bahri; Ariksa, Jeri; Yandi, Welly
Machine : Jurnal Teknik Mesin Vol 9 No 1 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i1.3950

Abstract

Drying is a process of transferring heat and water vapor simultaneously which requires heat energy to evaporate the water content. This heat energy can usually be obtained from sunlight. However, during the rainy season, this condition inhibits the drying process that utilizes sunlight, so the drying process takes a long time. Therefore we need a tool that can dry clothes without depending on the heat source from the sun's rays. The clothes dryer is a tool used to dry clothes with artificial heat energy, one of the artificial heat producers is a heating element or what is often called a heater. The artificial heating element used in this research is Electric Heater. This Electric Heater is equipped with a fan that can produce an indoor temperature of up to ± 52.3º C so that the heat generated by the Electric Heater can convert the water contained in the clothes into water vapor which will then be released into the environment with the help of a fan. Based on the results of calculations and testing, the ability of this tool is able to evaporate an average mass of water of 535.8 grams/hour and this machine reaches its optimum point for the number of drying clothes that can be dried as many as 6 clothes.
SIMULASI NUMERIK PENGARUH DIAMETER DAN KECEPATAN ALIRAN TERHADAP PERFORMANSI SINGLE SERPENTINE CHANNEL PADA PV Gunawan, I Gede Nengah Wika; Suryawan, Anak Agung Adhi; Astawa, Ketut; Rasmini, Ni Wayan
Machine : Jurnal Teknik Mesin Vol 10 No 1 (2024): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v10i1.4010

Abstract

The application of photovoltaic energy (PV) is currently very massive due to the savings and implementation of new and renewable energy. In the use of PV, an increase in temperature affects the optically generated electrical power. One way to reduce the PV temperature is by optimizing the design of the cooling channel. The method used in this research is a three-factor factorial design where the variable that is set is a diameter of 1.5 inches; 2 inches; and 2.5 inches and an inlet flow rate of 0.5 ; 0.6 ; and 0.7 , using CFD along with analytical calculations. The results showed that the 2.5 inch diameter configuration with a speed of 0.7 m/s produced an average temperature of 30.188 ℃ while the 1.5 inch configuration with a speed of 0.5 m/s produced an average temperature of 36.664℃. The temperature becomes lower with the larger pipe diameter configuration and the use of higher fluid velocity
PERANCANGAN PLASTIC WASTE SHREDDER MACHINE PORTABLE DI KAMPUS POLMAN BANDUNG Ariefijanto, Dedy; Novianty, Nadhifah Rysca; Komara, Asep Indra
Machine : Jurnal Teknik Mesin Vol 9 No 1 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i1.4029

Abstract

Plastic Waste Shredder Machine is a machine that is used to reduce the size of waste into small pieces for recycling process. This machine is a development from previous machines. The design methodology in this study is VDI 2222. Determination of component dimensions is based on analysis of critical components with the help of Computer Aided Engineering software. This machine works by inserting plastic bottle waste to the hopper, the size will be reduced in shredding area with two-blade system that moves oppositely with a fixed knife on each side, and the result is the plastic chips with a maximum size of 5x5 mm. After the design process, the machine is operated with an electric motor with a power of 0,75 kW and output rotation of 50 rpm. This machine can process 10 kg/day plastic waste with machine dimensions of 400 x 600 x 900 mm and total machine weight of 124 kg.
Pengaruh Variasi Temperatur Torefaksi Terhadap Karakteristik dan Nilai Kalor dari Produk Briket Arang Eceng Gondok Aris, Muhammad Zainul; Amani, Yasir
Machine : Jurnal Teknik Mesin Vol 9 No 2 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i2.4264

Abstract

Energy is needed by all people in various countries, this results in climate change and depletion of energy, it is necessary to find clean alternative energy, one of which is biomass. Water hyacinth is a biomass that grows rapidly in Indonesia, but its energy density is still low. This research aims to improve the characteristics and calorific value of water hyacinth biomass using torefaction process. In this study, water hyacinth was subjected to a torefaction process with temperature variations of 200 ℃, 250 ℃ and 300 ℃ and a holding time of 1 hour. ¬The biochar resulting from the torefaction process is then made into briquettes using tapioca starch adhesive, with a ratio of 10% of the weight of the raw material, and pressing at a pressure of 300 kg/cm2. From the research and testing that has been done, the proximate test results obtained the lowest moisture content of 5.75% in the 300 ℃ sample, the lowest ash content of 17.65% in the 200 ℃ sample, the lowest volatile compounds of 39.52% in the 300 ℃ sample and the highest fixed carbon of 25.92% in the 300 ℃ sample. The highest heating value was produced in the 300 ℃ sample which amounted to 5140.44 cal/g. The lowest Shatter Index was 1.68% in the 300 ℃ sample. The most optimal burning rate of briquettes in the 300 ℃ sample was 0.085 g/min with a duration of 47 minutes. The results of this study indicate that the torefaction process and torefaction temperature variation have a significant effect on the characteristics and heating value of water hyacinth briquettes. Key words : Torefaction, Water Hyacinth, Characteristics, Calorific Value, Briquettes.
ANALISA PERAWATAN INTAKE PUMP DENGAN MENGGUNAKAN METODE RISK BASED MAINTENANCE (RBM) Homzah, Ozkar F.; Sundari, Ella; Yuliandi, Rizky Brillian; Sari, Femi Permata
Machine : Jurnal Teknik Mesin Vol 9 No 2 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i2.4352

Abstract

Intake Pump is one of the important equipment in the steam power plant of 3x10 MW electrical generator which functions to supply raw water to production of demin water, domestic water and service water. In the process of producing water through the intake pump there are several components of the intake pump that often experience damage, this can be a loss for the company, therefore requiring additional processing. In this study, the Risk Based Maintenance (RBM) method was carried out to achieve optimal maintenance by knowing the impact and risk of failure according to important intake pump components, namely impeller, bearing and shaft. Based on the analysis results of the RBM calculation, the consequences of risks accepted is low to 0.05% by the company that achieved to 221,498,196.507 Indonesian rupiah it’s to 0.13% of production capacity per year. This value exceeds the acceptance risk tolerance of 0.13% which has become a company provision. Therefore, it is necessary to plan the proposed maintenance period from the existing policy, which is carried out 48 times a year for each critical component such to reducing the number of consequences and risks to 198,002,597 Indonesian Rupiah or equal to 0.01%.
PENGARUH PERLAKUAN SERAT SABUK KELAPA (SSK)TERHADAP MORFOLOGI DAN SIFAT AKUSTIK KOMPOSIT BERPENGUAT SSK Muslimin, Mukhlis; Umar, Kifli; Seng, Ahmad; Daud, Kadri; LM, Samsul Bahri
Machine : Jurnal Teknik Mesin Vol 9 No 2 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i2.4466

Abstract

The research aims to determine the effect of SSK treatment with liquid smoke on the morphology and acoustic properties of SSK reinforced composites. The research method is an experimental method with variations in fiber treatment by soaking in liquid smoke for 1, 2 and 3 hours. Next, after soaking the fiber, it is heated in an oven at 40ºC for 30 minutes, then the resulting fiber morphology is observed using a JEOL JCM 6000 SEM tool then SSK reinforced composites are made for acoustic testing, specimen making is done by preparing resin and long fibers. 1 cm fiber, 60% resin composition and 40% SBP, after drying a composite acoustic test specimen was made. The results show that SSK treatment with liquid smoke increases the fiber morphology to become rough and porous, so that the SSK reinforced composite has a sound absorption coefficient value for the SSK TP composite of 0.1175 db, while the SSK P1J, P2J, and P3J composites have a sound absorption coefficient value of 0.1304, 0.1199, and 0.1181 db. , this shows that the SSK P1J composite is better in sound absorption by 10.92% when compared with SSK TP, so it can be recommended as an environmentally friendly acoustic material.
RANCANG BANGUN ALAT SETTING ALIGNMENT RODA GIGI SEBAGAI MEDIA PEMBELAJARAN DI LABORATORIUM PERBAIKAN DAN PEMELIHARAAN MESIN Kadriadi, Kadriadi; Pratama, Angga Bahri; Wirakusuma, Kadex Widhy; Saragi, Jandri Fan HT; Ariksa, Jeri; Alfian, Muhammad; Siswanto, Yudi
Machine : Jurnal Teknik Mesin Vol 9 No 2 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i2.4509

Abstract

Alignment is a technique used to maintain machine components that rotate or transfer power so they can operate as effectively as possible and prevent damage to other machine components from errors made during installation or maintenance. Alignment is a maintenance activity that is often carried out on machines in industry and machines within the Morowali Metal Industry Polytechnic, especially in the Mechanical Maintenance Engineering Study Program. Competency in the alignment of gears and bearings is very much needed for prospective mechanics in the industry. The purpose of making this tool is as a simulation tool for learning alignment to achieve straightness and centricity between two rotating shafts (drive and driven shaft) to prevent friction, vibration, and other problems that can reduce tool life and, of course, increase expenditure costs. for repair or replacement of heavy equipment. In the process of designing this alignment tool, a drive method is used in the form of a sprocket and chain, where the link between the drive motor and the shaft to be moved is the sprocket and chain method. This research serves to help produce a design by considering the user's perspective so that the design results can be useful effectively. From the test results, the gear alignment setting tool can function well with the help of an inverter so that motor rotation can be reduced and can be controlled according to the desired conditions. The previous alignment setting tool had an RPM: of 1450.8 and the alignment setting tool that was made had an RPM: of 1455.7 with a frequency of 50 Hz so it can be concluded that this tool can be used for practical work in machine repair and maintenance laboratories.
PENGEMBANGAN MESIN PEMISAH KULIT POLONG KACANG HIJAU UNTUK PENINGKATAN KAPASITAS DAN EFISIENSI PEMISAHAN BIJI Muttaqin, Ahmad Nurul; Mihdar, Uswatul Hasanah; Arfandy, Arfandy
Machine : Jurnal Teknik Mesin Vol 9 No 2 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i2.4519

Abstract

The objective of this study is to improve the quality and efficiency of the verification process which is crucial for processing green bean seeds by upgrading the green bean skin separating machine. This change entails improving engine rotation in addition to changing engine mechanics and parts. The engine was tested at 350 rpm, 425 rpm, and 500 rpm during the experimental phase. According to the data, 350 rpm is the ideal engine speed for separating green bean seeds from the pod skin, with a differential capacity of 54 kg/hour. When ninety percent of the green bean seeds are undamaged and out of the pod skin, they are combined with other components. This machine may serve as a commercial solution to improve the quality and efficiency of processing green bean seeds. These encouraging outcomes highlight how important technology is to the agro-industrial and agricultural sectors. By processing green bean seeds more effectively and of higher quality, technology may also assist the environment and the economy.
ANALISA BENDING STRESS PADA FILAMEN ABS TERHADAP ARAH CETAKAN 3D PRINTING TIPE FDM Widiyanto, Wahyu
Machine : Jurnal Teknik Mesin Vol 10 No 1 (2024): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v10i1.4587

Abstract

Rapid Prototyping (RP) technology is rapidly advancing and plays a crucial role in various sectors. One of the methods used in this technology is Fused Deposition Modelling (FDM), which involves the process of melting thermoplastic material using an extrusion mechanism. FDM-type 3D printers control nozzle movements through computerization, resulting in various directions of movement, including parallel to the x-axis (0°), y-axis (90°), and diagonal (45°). Differences in these directions impact the mechanical characteristics of flexural strength in the produced prints. This research involves a bending test according to ASTM D790 standards, using the Beste KJ-1065 testing machine. Test specimens were created in three different types, with nozzle direction settings that differ in external infill angle offset and internal infill angle offset, specifically at 0° (parallel to the X-axis), 45° (parallel to the diagonal), and 90° (parallel to the Y-axis). The research results show that the nozzle direction in FDM-type 3D printers also influences the flexural strength of the produced products. The highest flexural strength was found in products with a 0° nozzle direction, reaching 65.21 MPa, while the lowest occurred in products with a 90° nozzle direction in the horizontal condition, reaching 45.18 MPa. Key words : Rapid prototyping, 3D Printing, Fused Deposition Modelling

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