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Manutech : Jurnal Teknologi Manufaktur
Published by Politeknik Manufaktur Negeri Bangka Belitung
ISSN : 20895550     EISSN : 26213397     DOI : -
Core Subject : Science, Engineering,
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.
Arjuna Subject : -
Articles 208 Documents
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DESIGN OF WHEELCHAIR JIG AND FIXTURE IN WHEELCAIR ELECTRIC CAR Subkhan Subkhan; Adhe Anggry
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (617.602 KB) | DOI: 10.33504/manutech.v13i02.179

Abstract

In this research, the technology that will be developed relates to a wheelchair steering and alignment system that will be used in the framework of an electric car for wheelchair users (Wheelchair car) in daily accessibility. Wheelchair car and modification vehicle shown technology development to support their rights. Duration of access for existing modification vehicle needs more than 20 seconds since opening door through to turn the vehicle power on. Wheelchair Jig design with guide bar and fixture design with locator system locked by door closing achieve 8 seconds to access wheelchair get trough into cabin. This is 7 seconds faster than modification vehicle and 4 seconds longer than user with standard car.
Analisis Kerusakan Bantalan Gelinding Pada Sistem Variable Speed Dengan Menggunakan Spektrum Getaran ariyanto ariyanto
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (717.787 KB) | DOI: 10.33504/manutech.v13i02.180

Abstract

The measurement of the overall vibration value on the variable speed transmission system of the knee type milling machine has entered the damaged condition area and further action needs to be taken. More specific measurements are made by observing the frequency of the vibration produced and compared with the theoretical frequency of the component, this method can estimate the component that has decreased ability to damage. Based on the data from the previous history, there was damage to the 3304 bearing. To determine whether the damage to the 3304 bearing was repeated, vibration measurements were made at the observed component frequency. The observed frequencies were Ball Pass Frequency Inner (BPFI), Ball Pass Frequency Outer (BPFO), Fundamental Train Frequency (FTF) and rolling elements/ Ball Spin Frequency (BSF). Observations were made using Vibroport 80 and Report and Examiner. The results of data processing are obtained measuring frequency values that coincide with the calculated frequency values of BSF and BPFI, this indicates damage has occurred in the bearings. Corrective action in the form of replacing damaged bearings with new similar bearings, followed by measuring the overall vibration of the transmission system to see the level of vibration that occurs and referring to the applicable standards
Rancang Bangun Timbangan Buah Digital Berbasis Mikrokontroler Dengan Koneksi Printer Thermal Muhammad Irmansyah; M Irmansyah; Milda Yuliza; Junaldi Junaldi
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.442 KB) | DOI: 10.33504/manutech.v13i02.182

Abstract

This study aims to create a digital scale using a load cell sensor controlled by a microcontroller with a thermal printer connection. Load cell sensors, keypad, LCD, I2C Module, Thermal Printer and Arduino are used in hardware design. The Parallax Data Acquisition tool (PLX-DAQ) application is used to display and store data in excel form. The test results obtained that the load cell load 0 kg - 3 kg for every 1 kg increase in load weight, there will be a change in the output voltage of about 0.5 mV. The larger the load being measured, the greater the output voltage. The average measurement error rate is 2.07%, while the success rate for digital scales is 97.72%. Overall the digital scale works well.
Performa Mesin Pencacah Pelepah Kelapa Sawit dengan Sistem Rotary Yang Fitri Arriyani; Idiar Idiar; Subkhan Subkhan; Shanty Dwi Krishnaningsih
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (732 KB) | DOI: 10.33504/manutech.v13i02.187

Abstract

The utilization of palm frond waste can be processed as animal feed, compost, making briquettes, and basic materials for composite panels. The utilization of palm oil frond waste for various purposes is processed by chopping it into small chunks. The chopping process using a chopping machine makes it easy for farmers and speeds up the chopping time. Several studies have been carried out on the chopping process of palm leaf midribs using different motors and various models of cutting blades, varying motor power, and motor rotation speed in order to obtain the optimal engine capacity. The design method used in the manufacture of the machine is the Pahl Beitz method, namely planning, designing product concepts, designing shapes, and designing details. The parameters observed and measured were the effective capacity of the machine, the rendemen of the chopping, and the length of the chopping results. The trial was carried out three times by chopping the fronds each weighing 5 kg. The test results of machine showed that the average effective capacity of the machine was 244.06 kg / hour so that it was included in the class A category. The average chopping rendemen on the machine was 97% and the average size was count ? 50 mm is 89.5% and has met the requirements of SNI 7580: 2010.
Analisa Gaya Potong pada Proses Frais Komponen Kereta Api Menggunakan OCTAVE: Bagian 1 Up Milling Agus Susanto; Indarto Yuwono; Noorsakti Wahyudi; Ramadhana Eka Wicaknono
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (883.792 KB) | DOI: 10.33504/manutech.v13i02.193

Abstract

Milling is widely applied to process train components, especially for finishing wheel-set, boogie frames, and slotting shafts. The cutting forces of milling during operation is important to analyze because they affect on the final product. The analysis can be experimental data observation or simulation. This article presents simulation of cutting forces in up-milling with various input parameters using Octave open software. The simulation results showed that the exit angle (?e) was 80o and 60o for simulation 1 and simulation 2, respectively. The start angle (?s) was 0o for both simulation because it was up-milling process. Since the effective cutting angles were less than the interval angle of cutting edges (90o), only single cutting edge was involved in cutting. In addition, the cutting force was influenced by the cutting parameters, so that there were cutting force fluctuations during machining process. Differences in radial depth of cut, feed per tooth, and effective cutting angle affected in the differences of the cutting force quantity. In simulation 1, the resultant cutting force reached 400 N, while the cutting force Fx and Fy are 250 N and 325 N, respectively. In simulation 2, the resultant was 700 N, and 500 N and 420 N for Fx and Fy cutting forces, respectively. Spindle rotation speed did not affect on the quantity of cutting force but affects on the cutting time. In simulation 1 with a spindle speed of 7500 rpm, it took a cutting time of 0.008 seconds. While in simulation 2, the cutting time was slower, namely 0.012 seconds. This was because the spindle rotation speed reduced to 5000 rpm. The simulation also proved the characteristic frequency of milling process; tooth passing, and several harmonic frequencies.
Implementasi Minimum Quantity Lubrication (MQL) Pada Pembuatan Ulir Luar Material Magnesium Arinal Hamni; Aditya Pratama; Gusri Akhyar Ibrahim
Manutech : Jurnal Teknologi Manufaktur Vol. 14 No. 01 (2022): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v14i01.160

Abstract

Development of technology, has been to use of metal as the main material in industrial manufacture. In the machining, material of magnesium has excellent and beneficial characteristics, but it also has some disadvantages, one of them is very flammable because it has a low flash point. High generated temperatures can cause tool wear and contribute to thread accuuracy. Geometry errors in threading when cutting by lathe machine is influenced by diameter of cutting tool, depth of cut, and spindle speed. This study aims to analyze errors of response such as pitch errors, high thread errors, and thread angle errors. The machining trials of magnesium alloy AZ31 used by using Minimum Quantity Lubrication (MQL) method with lubricant of coconut oil. Diameter of threaded of 10, and 14 mm, depth of cut of 0.46 0.23, 0.3067, mm and a spindle speed of 424, 212, 424 rpm. The result shows that the Minimum Quantity Lubrication (MQL) technique with a diameter of 10 mm, a depth of cut of 0.46 mm and spindle speed of 424 rpm generated the best condition, in which pitch error of 0.012 mm and height thread error of 0.011533 mm.  Meanwhile the best result for thread angle error of 0.3866° in which reached at diameter of 10 mm, spindle speed of 212 rpm, and a depth of cut of 0.23 mm. Lubrication with implementing MQL technique has given real contribution to reduce the errors or increase the threaded precision.
Alat Pendeteksi Suhu Tubuh dan Wajah (Kebutuhan Bukti Kehadiran) Berbasis Data Aan Febriansyah; Junialdi Saputra; Puspita Desvirati
Manutech : Jurnal Teknologi Manufaktur Vol. 14 No. 01 (2022): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v14i01.196

Abstract

This research leads to the manufacture of presence tools by implementing a face recognition and detection system, and is equipped with body temperature measurements. In this study, for face detection and recognition, the Local Binary Pattern Histogram (LBPH) Algorithm and Haar Cascade of Classifier were applied. The algorithm's working system performs face detection and recognition quickly with the use of a webcam. The scope of this research is to conduct database preparation, training, detection, recognition, and face identification. For measuring body temperature using the MLX90614 Infrared temperature sensor, this temperature sensor utilizes infrared radiation, this sensor can automatically measure energy in infrared radiation which will become a temperature scale. The testing process carried out in this study uses 100 databases of facial images that will be read during the detection process. From the test results, the face detection and recognition system will work optimally at a distance of 30-100 cm from the Web cam. while the body temperature measurement system will be more accurate at a distance of 5-15 cm from the temperature sensor MLX90614.
Pengaruh Orientasi Posisi Printing Z Axis Mesin 3D Printing Terhadap Kuat Tarik Menggunakan Filamen Super Tough PLA Hasdiansah Hasdiansah; Pristiansyah Pristiansyah; Zaldy S Suzen
Manutech : Jurnal Teknologi Manufaktur Vol. 14 No. 01 (2022): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v14i01.197

Abstract

The manufacture of the main parts of a mechanical system can use 3D Printing technology. One of the cheapest 3D printing technologies is using Fused Deposition Modeling (FDM). There are many materials that can be printed with FDM technology such as PLA, Super Tough PLA, ABS, Nylon, PETG, and others. The more expensive FDM technology, the more types of filaments that the machine can print. The ASTM D638 Type IV standard tensile test specimen is often used by researchers to see the tensile strength of printed products. This study uses several process parameters that are set in the slicing software which are then in the form of G-Code and stored in an SD card and processed on the FDM 3D Printer machine. The ST-PLA filament used in this study is 1.75 mm in diameter and uses a 0.4 mm nozzle. The process parameters set in the slicing software are as follows nozzle temperature 195°C, bed temperature 60°C, travel speed 120 mm/s, default printing speed 50 mm/s, layer thickness 0.3 mm, internal fill pattern wiggle, external fill pattern concentric, bottom layer 5, top layer 5, and perimeter 5. Variables that change in the orientation of the print position or Z Rotate Degree 0°, 5°, 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, 65°, 70°, 75°, 80°, 85°, and 90°. The highest value of the tensile strength test results for the standard ASTM D638 Type IV test specimen was obtained in experiment number twelve (12) which was 61.10 Mpa with a rotating angle of the Z axis of 55° seven (7) which is 37.50 MPa. The influence of the orientation of the Z-axis rotation angle on the required filament weight in the tensile test specimen printing process is not significant, which is only 0.01 gram.
Pemanfaatan Ekstrak Abu Sekam Padi sebagai Green Inhibitor pada Baja Karbon dalam Media Air Laut Buatan DEVI EKA SEPTIYANI ARIFIN; Destri Muliastri
Manutech : Jurnal Teknologi Manufaktur Vol. 14 No. 01 (2022): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v14i01.205

Abstract

Rice husk ash is a high resources of silica about 20%. Husk ash contains silica as much as 87% - 97%. One of the uses of silica is to control the occurrence of corrosion by adding a green inhibitor from rice husk ash extract. Furthermore, green inhibitors were tested for their content by FTIR. In the next step, a green inhibitor was added to 3.5% NaCl corrosive media with variations of green inhibitor 0%, 1%, 3%, 5%, and 7% and the length of immersion of  ST41 steel plate for 7 days for weight loss testing. The next process is the corrosion rate test, weight loss test and morphology test to see the depth of corrosion that occurs on the plate. The results of the FTIR test showed the presence of silica contained in the green inhibitor of rice husk ash extract. The addition of this green inhibitor causes a decrease in the corrosion rate of ST 41 Steel in a 3.5% NaCl solution. In the Potentiodynamic Polarization (PDP) test, the corrosion rate value with the addition of 5% green inhibitor’s decreased from 0,01482 mpy to 0.00319 mpy  with an inhibition efficiency value of 78,446%. Changes in the corrosion rate on the morphology of steel that had been soaked for 7 days were characterized by optical microscopy, it was seen that corrosion growth decreased with increasing concentration of green inhibitor.
Analisis Pengaruh Parameter Infill Pattern dan Nozzle Temperature terhadap tensile strength Filamen PLA PRO Zaldy S. Suzen; Riskullah Dirga Trisaplin; Hasdiansah Hasdiansah
Manutech : Jurnal Teknologi Manufaktur Vol. 14 No. 01 (2022): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v14i01.208

Abstract

3D Printing is part of Rapid Prototyping technology, where the printing process converts a 3D design into a solid object, can be held and has volume, the formation is done by placing the filament layer by layer. The purpose of this study was to determine the effect of the process parameters used, to determine the highest and lowest tensile strength values ??and to determine the eligible parameters for car dashboard production. The method in this study using the factorial method multiplied by 15 types of infill and 3 temperature levels so as to create a total of 45 specimens, then replicated 3 times to make 135 samples of specimens, the process parameters used were 15 types of infill and 3 levels of nozzle temperature that were printed in a vertical orientation. The highest tensile strength value is 43.9 MPa with the parameter (infill pattern) 3D honeycomb, nozzle temperature 210?C, and the lowest tensile strength value is 14.7 MPa with the parameter (infill pattern) archimedean chord, nozzle temperature 220?C. The final result of the research shows that there is an influence between parameters on the value of tensile strength and recommends several parameters that can be used to produce car dashboards.

Page 11 of 21 | Total Record : 208

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