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All Journal Jurnal Ilmu Perairan (Aquatic Science) Dinamika : Jurnal Teknik Mesin JCRS (Journal of Community Research and Service) INFOKUM Journal of Rural and Urban Community Empowerment Proceeding International Seminar of Islamic Studies Dulang: Jurnal Pengabdian Kepada Masyarakat Jurnal Indonesia Sosial Teknologi Innovative: Journal Of Social Science Research Jurnal Inovasi Teknologi Terapan IIJSE Proceedings of The International Conference on Multidisciplinary Science Jurnal Pengabdian Masyarakat (Jubdimas)
Erwansyah, Erwansyah
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Journal : Jurnal Inovasi Teknologi Terapan

 1 
Analisis Pengaruh Ayunan Elektroda Las Terhadap Uji Kekerasan Baja Aisi 1045 Pada Area Haz Agus, Darma Afriliansyah; Tuparjono, Tuparjono; Erwansyah, Erwansyah
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.v1i2.33

Abstract

In the welding process, the swing of the electrode is very influential on the mechanical properties of the weld. The purpose of this study was to determine the hardness value in the HAZ area of ​​AISI 1045 steel due to differences in SMAW welding electrode swing. The method in this study uses experimental research methods, namely describing comparisons of treated specimens using the help of the Microsoft Excel application. The material used in this study was AISI 1045 medium carbon steel which was welded using SMAW welding with variations of zig-zag, circular and C swing electrodes with 1G position. The results of this study prove that the electrode swing has a significant effect on the hardness value. It can be seen that the test material with a circular swing pattern has a higher value than the zigzag and C swing patterns. This is shown by testing the hardness test in the HAZ area where the circular swing pattern gets average. -the highest average hardness value is 23.47 HRC. Meanwhile, the lowest average hardness value is in the C swing pattern of 20.46 HRC. Electrode swing has an influence on the hardness value. The circular swing pattern has a higher value than the zigzag and C swing patterns.
Pengaruh Media Pendingin Bio Solar Pada Perlakuan Panas Untuk Meningkatkan Kekerasan Roda Gigi Sproket Gusmantoro, Devri; Erwansyah, Erwansyah; Dwi Krishnaningsih, Shanty
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.v1i2.38

Abstract

The sprocket gears is one part of motorcycle that functions as a power transfer transmission. The service of gears can be influenced by several aspect, one of which is the hardness of sprocket gears. The hardness of the sprocket gear material can be increased by various mathod, one of which is heat treatment. This study used an experimental method with the aim of knowing the effect of bio diesel as the main cooling medium on increasing the hardness of non-original sprocket gears. The research process included carburizing and hardening processes on 2 non-original brands at temperature of 910°C and then cooled using bio diesel and water cooling media with a holding time of 30 minute and 60 minutes. The results showed that the heat treatment process could increase the hardness of brand A with a normal hardness of 104 HB resulting in the highest value in the parameter holding time of 60 minute and water cooling medium with a hardness value of 111,6 HB and brand B of normal hardness with a value of 110,8 HB producing the highest value is the holding time parameter of 60 minutes and water cooling medium with a hardness value of 115,9 HB. Based on the result obtained, water cooling medium is higher than bio diesel cooling medium.
Pengaruh Fly Ash Terhadap Densitas Dan Kuat Tekan Bata Ringan Hilman Maulana, Dikky; Ary Wahyudie, Ilham; Erwansyah, Erwansyah
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

Abstract

Utilization of fly ash (fly ash) as an additive in the formation of lightweight bricks has a positive impact from an environmental point of view. Fly ash is a very fine residue from burning coal. The fineness of fly ash grains can potentially cause air pollution. Handling of fly ash (fly ash) at this time is still limited to stockpiling on vacant land. The addition of fly ash to the lightweight brick mixture can be a good mineral additive for lightweight bricks because the fly ash contains silica, which is binding. In this study, we will identify the benefits of fly ash (fly ash) as a partial replacement material for the use of cement in lightweight bricks. The purpose of this study was to determine the effect of adding fly ash as a partial replacement for cement on the density and compressive strength of lightweight bricks. Variations in the percentage of fly ash used are 15%, 25%, and 35%. This study used six beam-shaped test samples, with each sample being replicated three times with a mold size of 100 mm x 50 mm x 50 mm. From this study, it was found that the best density value was when using 25% fly ash, which was 1482.4 kg/m3 with the highest compressive strength value of 17.7 MPa. It can be concluded that the percentage of fly ash used affects the density of lightweight bricks. The use of 25% fly ash on lightweight bricks produces lightweight bricks with maximum compressive strength.
Kekuatan Tarik yang Dipengaruhi Arah Susunan dan Fraksi Volume Serat Pelepah Nipah Pada Komposit Serat Rizki, Muhammad; Erwansyah, Erwansyah; Idiar, Idiar
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.v1i1.87

Abstract

Nipa plant is a plant that can be found in water areas such as in swamps. Quite a lot that can be utilized from this swamp plant. Utilization of the nipa plant can be sourced from its fruit, midrib, and leaf bones [1]. In addition to the uses previously described, the nipa plant in its midrib has fiber which has been extensively researched on this fiber. Nipa midribs which have fibers can be used as reinforcement for fiber composites. This study aims to determine the effect of arrangement and volume fraction of fibers that have been determined, as well as knowing whether the use of nipa midrib fiber as a composite reinforcement material can or cannot achieve the tensile strength value of the high impact ABS plastic material on the car dashboards. The research method in this study uses factorial design with manual composite printing. The results of this study were that the highest value of the tensile strength of the nipa midrib fiber composite was found in the vertical arrangement direction with a volume fraction 15%, namely 26.43 MPa, while the lowest value is found in the direction of horizontal arrangement with a volume fraction of 15%, namely 14.07 MPa. So that the value of the nipa midrib fiber composite in the vertical arrangement direction with a volume fraction of 15% achieves the tensile strength value of the high impact ABS plastic material on the car dashboards, namely 20 – 40 MPa.
Uji Metrologi Gerak Melingkar Pada Mesin CNC Milling Di Bengkel Mekanik Polmanbabel Syahbilla, Muthiara; Husman, Husman; Erwansyah, Erwansyah
Jurnal Inovasi Teknologi Terapan Vol. 2 No. 2 (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.v2i2.175

Abstract

The manufacturing industry now demands machining processes that are not only precise but also highly efficient. Computer Numerical Control (CNC) machines such as CNC milling have emerged as the answer to these challenges by enabling high-precision mass production. The State Polytechnic of Manufacturing in Bangka Belitung has an aging CNC Milling Machine Lagun MC-750, which has been in use since the establishment of the campus several years ago. The research is focused on metrological testing of circular motion on the CNC Milling machine in the Mechanical Workshop of Polmanbabel. The analytical method involves experimental studies encompassing machining processes, data collection of the results, and data analysis. The machining process is carried out using the CNC Milling Machine Lagun MC-750 with specific parameters such as cutting depth, cutting speed, and feed motion. The test specimens are made of S45C steel with dimensions Ø31.6 x 50 mm. The analysis of 12 specimens revealed a value of 146 μm for clockwise feed motion (G02) and 174 μm for counterclockwise feed motion (G03) for the other 12 specimens. These results fall within the tolerance grade IT 10. This indicates that the machine is suitable for processing workpieces within standard tolerances, as IT 10 is commonly used in general machining for interchangeable parts that can also be classified as highly precise work.
Pengaruh Kedalaman Pemakanan dan Kecepatan Potong pada Pembubutan Finishing Material Baja SKD 11 terhadap Kekasaran Permukaan Benda Bubutan Restu, Ilham; Kurniawan, Zaldy; Erwansyah, Erwansyah
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.v2i1.176

Abstract

One important factor in achieving good quality value for a product in the machining process is to look at the level of roughness produced in the machining process. This research aims to determine the effect of feed depth and cutting speed on surface roughness. The process variables used in this research are feeding depth (mm) and cutting speed (m/min). Each variable has 3 levels, namely feeding depth of 0.5, 0.6 and 0.7 mm. Cutting speed 65, 70 and 75 m/min. In this research method, researchers used the full factorial method. The material used in this research is SKD 11 steel. The conclusion obtained from the research is that the minimum surface roughness is at a cutting depth of 0.6 mm with a cutting speed of 65 m/minute, with the average surface roughness value obtained being 0.883 (µm ). The maximum surface roughness is at a feed depth of 0.6 mm with a cutting speed of 70 m/minute with an average surface roughness value of 1.254 (µm).
Studi Eksperimen Pengujian Kebulatan Produk Hasil Pembubutan Pada Mesin Bemato Estu, Panji; Erwansyah, Erwansyah; S Suzen, Zaldy
Jurnal Inovasi Teknologi Terapan Vol. 3 No. 1 (2025): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v3i1.256

Abstract

The machining process in product manufacturing must meet several important criteria, including the product's outcome, accuracy, precision, quality, and quantity. Machine tools that have been used for a long period tend to experience a decline in performance, which can affect the machine's ability to produce products with the required quality, standard, or tolerance. The aim of this study is to evaluate the performance of a lathe machine that has been in use for approximately 10 years. As the machine ages, its performance may decrease, and optimal machine performance significantly influences the machining results. Therefore, an experiment was conducted to test the roundness deviation of the products produced through turning, by varying the spindle speed and depth of cut parameters, while keeping the feed rate constant. This study uses an experimental method to test and analyze machine performance based on the measurement of roundness deviations of the products. The material used was ST-41 steel with a diameter of Ø30 x 110 mm, and the cutting tool used was a Carbide Insert WNMG080404-TSF T9225G. Data on roundness was collected from products produced using the Bemato Series 44378 lathe machine with 9 test samples. Based on the test results, the highest roundness deviation found in BU 27 was 0.088 mm
Analisis Permukaan Benda Bubutan Dalam Pengujian Peforma Mesin Bubut Bemato Series 44378 Putra, Muhammad Farhansyah; Erwansyah, Erwansyah
Jurnal Inovasi Teknologi Terapan Vol. 3 No. 2 (2025): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v3i2.270

Abstract

The performance of a machine significantly impacts the outcome on the workpiece. Therefore, regular maintenance of the machine is necessary. Over time, the machine's performance tends to decline. From the results of surface roughness testing on workpieces using variations in RPM and depth of cut parameters with constant feeding, the highest roughness value was 4.483 μm, produced by BU 27 and BU 30, with the highest roughness value of 2.694 μm. This study aims to test and verify the machine's performance level by examining the surface roughness values of ST41 workpieces. The research employs an experimental method, followed by processing the roughness data of machining results using a Bemato series 44378 lathe, involving 9 specimens and 2 replications.
Studi Eksperimen Terhadap Performansi Mesin Bubut Bemato Series 44378 BU 27 Berdasarkan Penyimpangan Kesilindrisan Produk Hasil Pembubutan Gentara, Raju; Erwansyah, Erwansyah; Husman, Husman
Jurnal Inovasi Teknologi Terapan Vol. 3 No. 2 (2025): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v3i2.297

Abstract

Machine tools are machines used to produce products in the industrial sector. Machine tools that have been used for a very long time will naturally experience a decrease in performance, this is also experienced by the Bemato Series 44378 BU 27 lathe in Polman Negeri Babel which has entered its service life for approximately 10 years. The factors that affect the results of lathe machining are machining parameters, including cutting speed, cutting depth, and engine rotation speed. To find out how good the performance of the lathe can be done in various ways or tests, one of which is the cylindricity test. The material used in this test is st-41 steel. From the results of the research conducted, the largest deviation in cylindricity of the Bemato Series 44378 BU 27 lathe is 769 μm. Based on the deviations that occur when compared with the Grades of tolerance table, the results are included in the IT 15 grade. This value can be concluded that the BU 27 machine has experienced a decline in performance that is very far from its minimum standard, and is only capable of producing workpieces with tolerances above 769 μm. With this decline in performance, the lathe that was studied must be repaired and maintained immediately so that the performance of the machine can be returned to standard conditions.
Co-Authors , Wilchan Robain Agus, Darma Afriliansyah Ahadiatullah, Wassi Ananda, Faisar Ardiansyah, Rikky Daulay, Muhammad Toyib Endang Sulistya Rini Estu, Panji Gentara, Raju Gusmantoro, Devri Hardawiansyah, Hardawiansyah Hasdiansah, Hasdiansah Hilman Maulana, Dikky Husman, Husman Idiar, Idiar Ilham Ary Wahyudie Imam Yazid Irma Hajira Muhammad Amar Adly, Muhammad Amar Muhammad Rizki Mukti, Jihan Tri Ninda, Via Vio Nunik Cokrowati Nurafrina Siregar Oktavianto, Mario Oktriadi, Yudi Pristiansyah, Pristiansyah Putra, Muhammad Farhansyah Restu, Ilham RITONGA, HUSNI MUHARRAM Rohmatan, Iman Rony, Zahara Tussoleha S Suzen, Zaldy Shanty Dwi Krishnaningsih Siregar, Mira Yosefa Sugianto Sugianto Sulman, Edi Sunaryo Sunaryo Suzen, Zaldy Sirwansyah Syahbilla, Muthiara Tuparjono . Yanti, Eli Delvi Zaenal Abidin Zaldy Kurniawan zuladin, yanuar Zulfitriyanto, Zulfitriyanto