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Manutech : Jurnal Teknologi Manufaktur

manutech
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Published by Politeknik Manufaktur Negeri Bangka Belitung

ISSN : 20895550 EISSN : 26213397 DOI : -

Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Aims Manutech adalah interdisciplinary journal yang mengajak para peneliti dari kalangan para akademisi maupun praktisi dari industri bergabung bersama dan berdiskusi dalam pengembangan keilmuan maupun penerapan teknologi manufaktur dan aspek-aspek lainnya yang terkait. Scope Lingkup jurnal Manutech adalah pada bidang teknologi manufaktur, mesin otomatis (automation), robotika dan elektronika, namun tidak membatasi pada hal ini saja dan dapat melingkupi bidang: Elektronika; Information and Communication Technology (ICT); Mesin dan manufaktur.

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Articles 208 Documents

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Kajian Simulasi Fem 3D : Keausan Pahat Twist Drill pada Pemesinan Bor Mikro Material Ti-6Al-4V Gusri Akhyar Ibrahim; Yanuar Burhanuddin; Aufadhia
Manutech : Jurnal Teknologi Manufaktur Vol. 12 No. 02 (2020): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Titanium is a material that has a good strength to weight ratio, excellent corrosion resistance, and resistant to high or low temperatures Titanium alloys that are used in various industrial fields, one of them is the Ti6Al4V alloy. Micro drilling has a high rotational speed which results in tool wear, high temperatures, and surface roughness. This research uses The Finite Element Method (FEM) simulation. The application used is DEFORM 3D based on parameters from previous studies. The purpose of this research is to identify the progress of tool wear in a simulated manner on the Ti6Al4V alloy micro-dilling and analyze the tool wear on the Ti6Al4V alloy micro-drilling under dry machining conditions. Machining trials used CNC micro-drilling at various of cutting parameters such as cutting speed of 10.000 and 15.000 rpm. The results showed that the tool wear progress at the 5th hole was 0.00346 mm, the tool wear progress at the 10th hole was 0.00462 mm and the tool wear progress at the 15th hole was 0.00525 mm. Analyzing tool wear in simulated machining and experimental machining in dry conditions has a high wear value. Tool wear is simulated by measuring the radius of the tool in the 15th hole valued at 0.09973 mm. Tool wear is experimentally measured from the tool radius in the 15th hole valued at 0.0101 mm. The tool mesh is changed due to the tool wear. The tool mesh in the 5th hole is worth 17372 mesh. The tool mesh in the 10th hole is 15662 mesh. The tool mesh in the 15th hole was highly reduced by 13021 mesh. Tool wear affects the change in tool mesh. With increasing tool wear then tool mesh is reduced. The next cause of tool wear is the tool temperature in the machining process.

Modifikasi Kapasitas Belt Conveyor dari Kapasitas 400 Ton/Jam Menjadi 600 Ton/jam di Indarung IV PT. Semen Padang Fanani; Rahmadhani; Mulyadi; Aidil Zamri; Yuli Yetri
Manutech : Jurnal Teknologi Manufaktur Vol. 12 No. 02 (2020): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Belt conveyor is a means of transportation used at Indarung IV PT. Semen Padang. Belt conveyor functions to move material from one place to another both in short distances and long distances with a certain slope. The capacity of limestone conveyor belt owned by Indarung IV is 400 tons/hour. However, this capacity is no longer able to meet the needs of limestone as a raw material for making cement in Indarung IV which currently reaches a capacity of 600 tons/hour. For this reason, an analysis of the 400 ton/hour capacity conveyor belt is still capable of transporting the limestone material with a capacity of 600 tons/hour, using the CEMA (Conveyor Equipment Manufacturer Association) standard. From the calculation results obtained belt conveyor parameters for a capacity of 600 tons/hour such as maximum belt capacity, belt speed, as well as the motor power and gearbox power needed for a capacity of 600 tons/hour. Where, some of these parameters exceed the value of the parameters of the conveyor belt capacity of 400 tons/hour, so the 400 tons/hour conveyor belt is unable to carry a load of 600 tons/hour. Replacement of some components is needed so that a load of 600 tons/hour can be transported.

Merancang Sistem Penarik pada Mesin Pemarut Singkong Menggunakan VDI 2221 Nanda Pranandita; Muhammad Yunus
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 01 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Cassava is a multipurpose plant. Apart from being used as a daily snack, cassava is also used as raw material for various industries. Currently, cassava processing technology has varied. One of them is a grating machine. The grating machine is used in order to make cassava into cassava pulp. In this research, the design of a cassava grater machine will be carried out. The design that is carried out focuses on the pulling system in the grated process. The design method used is VDI 2221. The stages in VDI 2221 are clarification of the task, conceptual design, embodiment concept, detailed design. Based on the results of the design carried out, several conclusions can be drawn, namely the chosen concept uses three towing rollers, a gear and a sprocket as a transmission roller pulling motion, while the gap control system uses bolts as the regulator. In addition, after carrying out the loading analysis on the shaft to be used as a towing roll, a roller with a size of Ø20mm can be used because the loading simulation results show that the maximum torsional stress value that occurs is 4.601 N / mm2 which is still much smaller than the value of the permitted torsional stress.

PENGARUH PELUMAS TERHADAP TEGANGAN ALIR DAN GAYA PENARIKAN KAWAT AISI 1006 MENGGUNAKAN METODE FEM Destri Muliastri; Devi Eka Septyani; Prayoga Lesmana
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

The wire drawing process is a metal forming technique. The factor affecting the final result of the draw is Lubricants. The value of the friction coefficient will have an impact on the surface quality of the wire, the use of lubricants is needed to reduce the load and surface defects of the wire. The purpose of this study was to determine the effect of lubrication on the flow stress and pulling force of AISI 1006. The lubricants used in this study have different friction coefficient values, including 0.03; 0.02 and 0.01. In this research, the method used Finite Element Method and Ansys workbench 19.0. Finite element method is done by simulating wire drawing with a die angle of 12 degrees. The results obtained will be calculated theoretically and simulated, for lubricants with different coefficient of friction have different values of flow stress and pulling force which can affect mechanical properties. The smaller the friction coefficient, the greater of the average flow stress, the percentage of theoretical calculations and simulations is 2.45%, for the effect of lubrication on the wire pulling force, the percentage is 23.25%.

PENGARUH PARAMETER PROSES SLICING SOFTWARE TERHADAP KEKASARAN PERMUKAAN PRINTING PART MENGGUNAKAN FILAMEN ST-PLA Hasdiansah Hasdiansah; Yudha Bika Pratama; Pristiansyah
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 01 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

3D printer technology is often said to have a bright future, until now rapid prototyping technology is still developing into technology that is support for fields that support humans for technological advancement in order to bring what is imagined into a more tangible form. The purpose of this study is to determine the effect of parameters on surface roughness and an optimum parameter settings that produce minimal roughness. The taguchi method with an orthigonal matrix L25 (56). Was used in this study. The parameters to be analyzed in this study were layer thickness, printing speed, nozzle temperature, orientation, flow rate and cooling speed. To overcome the noise parameter (disturbance), the process of measuring the surface roughness of the specimen was carried out with 3 replications. Furthermore, the parameters will be analyzed using taguchi method which the smaller characteristic is the better parameter. Based on the results the sequence of parameters that have the greatest and smallest effect on surface roughness on ST-PLA filaments were obtained, namely the thicken layer, flow rate, Nozzle temperature, Printing speed, Cooling speed and Orientation. Setting parameter that produceS minimum roughness value with a value of 3.321 µm is 0.10 mm for coating thickness, 40 mm / s for print speed, 190?C for nozzle temperature, 45? for orientation, 110% for flow rate and 20% for cooling speed.

Optimasi Parameter Proses pada 3D Printing FDM terhadap Akurasi Dimensi Filament PLA Food Grade MALINDA CHRISTILIANA; Pristiansyah; Yudi Oktriadi
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 01 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

3D printing is manufacturing process technology that is widely developed to make a rapid prototype according to the desired design, one of which is FDM (Fused Deposition Modeling) technology. The type of filament used in this study was filament PLA food grade. This study aims to obtain optimal parameters for FDM 3D printing machines in terms of dimensional accuracy. The method used in this process parameter optimization research is the Taguchi L27 OA method. The process parameters used are nozzle temperature, layer thickness, print speed, infill rate, and temperature based plate. The results of research that have been conducted show the optimal process parameter values ??for dimensional accuracy of the specimen height was nozzle temperature (185°C), layer thickness (0,20mm), print speed (40mm/s), infill rate (8%), and temperature based plate (40°C) .

PENGARUH AMPER TERHADAP CACAT LAS PADA PENGELASAN BAJA LUNAK DENGAN MENGGUNAKAN PENGELASAN SMAW POSISI PENGELASAN 2F ADHIE SAPUTRA; Tuparjono; Sugiyarto
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 01 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Abstract In the SMAW welding process, the problem of welding defects is still often found. This can be the result of using an improper welding ampere. In this study, welding testing was carried out by utilizing variations in the use of a welding amper according to the electrode diameter. The welding process uses low carbon steel St 37 with 2F welding joints. The electrode used was AWS A5.1 E6013 with a diameter of 3.2 mm with a variation of amperage 85, 95 and 115. From the experimental results, it was found that for Amperes 85, it was found that the porosity welding defect and the welding leg showed poor results with a thickness of 5.7 mm and at Amperes 115 welding results show uneven welds and weld feet show good results compared to amperage 85 and 95 with a thickness of 6.1 mm. Observation of the welding arc at times (seconds) 10, 13, 15 and 17 for the amperage used, namely 85, 95 and 115, is obtained, the amperage of 85 shows the phenomenon of the welding arc movement is not normal at 10 and 13 seconds, at that second the arc length height is more than normal, which is 5 mm and 4.9 mm, the resulting defect is porosity. At 15 and 17 seconds, there is no defect in the welds. Amper 95 and 115 show the phenomenon of normal welding arc movement at 10, 13, 15 and 17 seconds and no defects occur. Observation of the results of welds on the weld toe found that, in the three amperage variations, there was a phenomenon that was not asymmetrical as the weld toe. The welding feet are not as symmetrical as the welding speed is different at layers 2 and 3.

Perancangan Coran Baja Cor SKD6 Menggunakan Simulasi Perangkat Lunak Pada Produk Side Core SD25R Kusnowo, Roni; Ery Hidayat
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 01 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

This study aims to produce a casting design for SD25R sidecore products with SKD6 material to be able to produce sound casting products or castings products that are free from defects with a scale of 1: 1. The sidecore SD25R is a casting product made for molded components for car wheels. This component is an imported product and in Indonesia no one has succeeded in supplying the needs of this component. The methodology used is simulation method, which is a method used to predict the defects of a cast material by using the SOLIDcast 8.2.5. Starting with the calculation of the channel system and the addition and design simulation using software as a tool in modeling the process metal casting before the actual metal casting process is carried out to reduce the risk of failure. In addition, this simulation can predict freezing temperature, cooling speed, the hottest area, and the porosity that occurs will be seen from this simulation, so it will reduce the trial and error process in the field. Based on the calculation of the gating system, the dimensions of the runner are 11x22x33 mm, the gates is 12x48 mm, the diameters of downsprue is 33 mm, and uses 2 top risers with a diameter of 150 mm, with a casting yield of 59.5%. The simulation results with this software showed that the gating system design from the above calculations and the use of the top riser is more effective to produce a better product or sound casting product.

Analisis Pengaruh Media Pendingin Dengan Kombinasi Waktu Penahanan Pendingin Terhadap Nilai Kekerasan Baja AISI-1045 Pada Proses Quenching ERVAN AGUSTIAN; Somawardi; Sugianto
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 01 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

AISI-1045 steel has a hardness of 7,167 HRC without treatment. The hardness of this steel can be increased through the hardening process with rapid cooling. This study aims to determine the optimum hardness value and how the effect of cooling media (brine, water, and oil) with a combination of coolant holding time (5, 10, and 15 minutes) which received quenching heat treatment against the hardness of AISI-1045 carbon steel. The heating process is carried out at a temperature of 900º C using an electric oven. This study used AISI-1045 steel with a diameter of 25 mm and a length of 25 mm. Tests carried out using a Universal Hardness Tester (Rockwell). The hardness is influenced by the type of cooling medium and the holding time of the coolant. Based on the fast cooling carried out from the three media with variations in the cooling holding time, it produces varying levels of hardness. From the heat treatment that has been done, the highest hardness value is in the brine medium with a coolant holding time of 15 minutes (G15) with an average value of 53,283 HRC. And the lowest hardness value is the oil medium with a coolant holding time of 5 minutes (O5) with an average value of 21,583 HRC.

Lecturer Performance Information Systems Based on IAPS 4.0 Yang Agita Rindri Yang; Boy Rollastin
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Currently, the lecturer performance data based on IAPS 4.0 at Polman Babel are still not integrated yet and still collected in Microsoft Excel. This study aims to develop Lecturer Performance Information Systems Based on IAPS 4.0 that can assist the preparation and management of IAPS 4.0-based lecturer performance. This study follows the Systems Development Life Cycle includes planning and preparation, system analysis, system design, development, testing, and deployment. The system is developed using PHP programming language, MySql database, Codeigniter Framework, Bootstrap Framework for CSS, and the Guzzle library to create a REST Client that accesses the Google Scholar REST API. System testing in this study uses black-box testing to test system functionality. The functionality testing shows that the functionality of the system is 100% successful and accepted by stakeholders.

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Contact Name
Made Andik Setiawan

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made.andik.s@gmail.com

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Location
Kab. bangka,

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INDONESIA