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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta Jurnal Rekayasa Mesin Jurnal Penelitian Pendidikan IPA (JPPIPA) Machine : Jurnal Teknik Mesin Manutech : Jurnal Teknologi Manufaktur Journal of Telenursing (JOTING) Sprocket : Journal of Mechanical Engineering JTTM: Jurnal Terapan Teknik Mesin Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan Jurnal Teknologi Manufaktur dan Industri
Husman Husman
Politeknik Manufaktur Bangka Belitung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Social Sciences Transportation Other

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Analisis Efisiensi Dan Produktivitas Mesin Produksi Keripik Telur Cumi (Keritcu) Yawenda, Pahreza; Husman, Husman; Wahyudie, Ilham Ary
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.v3i2.241

Abstract

This study aims to analyze the efficiency and productivity of the production machine for Keripik Telur Cumi (Keritcu), a traditional snack from Bangka made from squid eggs and sago. The research employs a quantitative approach by measuring operational time, production capacity, energy consumption, and defective product rates. Efficiency analysis was conducted using Overall Equipment Effectiveness (OEE) indicators, which include machine availability, performance, and product quality. The results show a machine efficiency rate of 75% with an average productivity of 2.5 kg/hour. The OEE value of 45% falls below the ideal industry standard (>85%), with a daily downtime of 1 hour and a product rejection rate of 10%. Improvement recommendations include reducing downtime, increasing production speed, and lowering the defect rate through machine optimization and operator training. The implementation of these recommendations is expected to enhance efficiency, productivity, and the product's competitiveness in the market.
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.
MODIFIKASI BRAKE SYSTEM MESIN BUBUT DOALL Andre Rowanda; Aji Sultan; Husman; Rodika
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 4 (2024): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The mechanical workshop laboratory of Bangka Belitung State Manufacturing Polytechnic has various machine tools, including a DoAll lathe that has been used for 29 years and has various damages, especially to the braking system. The damage to the braking system is caused by the age of the machine and the difficulty of obtaining original spare parts, resulting in constraints in maintenance and malfunction of the braking system. Braking is a crucial aspect in lathe operation to prevent work accidents and machine damage, and is important in practicum activities, especially in thread making. This research uses the experimental design method by modifying the braking system of the DoAll lathe using the braking system of a motor vehicle (motor/car) to facilitate the replacement of parts. The purpose of this final project is to modify the braking system of the DoAll lathe so that it can return to optimal operation. Based on the function test results, the braking system modification using the Daihatsu Taft F70 car braking system is proven to work well and is able to brake without damage.  
Optimasi Parameter Proses 3D Printing Terhadap Kuat Tarik Material Filamen PLA + Menggunakan Metode Taguchi Pratama, Wahyudi Hafizi; -, Hasdiansah; -, Husman
SPROCKET JOURNAL OF MECHANICAL ENGINEERING Vol 3 No 1 (2021): Edisi Agustus 2021
Publisher : Program Studi Teknik Mesin, Universitas HKBP Nommensen, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.542 KB) | DOI: 10.36655/sprocket.v3i1.568

Abstract

FDM (Fused Deposition Modeling) is one of the methods often usen by researchers in 3D printing technology which is used to print filaments products as a materials, due to the easy technique for 3D printing with relatively low production costs. One of the materials that can be processed in a 3D printing machine ia PLA+. Research in tensile testing has been done on PLA and ABS filaments. Meanwhile, tensile testing using PLA+ filaments is still rarely done. From these problems, research is needed to get the optimal process parameters on the 3D printing machine to get the highest tensile strenght value using PLA+ filaments. This research uses the taguchi method, carried out on a PRUSA area model FDM 3D Printing machine with dimensions of 300mm x 300mm x 350mm using a nozzle size of 0.4mm. The material used is PLA + Esun filament with a diameter of 1.75 mm with a variety of printing speed parameters (30 mm/s, 35 mm/s, 40 mm/s, 45 mm/s, 50 mm/s), nozzle temperature (1950C, 2000C, 2050C, 2100C, 2150C), layer thickness (0.10mm, 0.15mm, 0.20mm, 0.25mm, 0.30mm), cooling speed (20%, 40%, 60%, 80%, 100%), orientation (00, 300, 450, 600,900) which will be determined in ideamaker 3.6.1 to produce 75 printed samples. This research aims to determine the optimal tensile strength value. From the research results there is an optimal tensile strength value, namely in experiment 10 with the parameter values of printing speed (35 mm/s), Nozzle Tenperature (2150C), Layer Thickness (0.10mm), Cooling speed (20%), and Orientation (450). with a tensile strength value of 48.1 MPa from 3 replications.
VARIASI SUDUT POTONG DAN KECEPATAN POTONG TERHADAP LAJU PEMAKANAN MATERIAL SCM 440 Pratama, Arianda; Kurniawan, Zaldy; -, Husman; Wahyudie, Ilham Ary
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.v9i2.3611

Abstract

During the workpiece turning process, several factors affect the final workpiece, such as the cutting angle and cutting speed. The purpose of this study was to determine the effect of variations in cutting angle and cutting speed on the material consumption rate of SCM 440. The method used in this study is the Response Surface Methodology (RSM), with a two-parameter design, each of which has three levels for each parameter variation. . The results of data analysis obtained eigen values ​​with different signs (positive and negative) which indicated that the stationary point values ​​were in the form of saddle points with a stationary point values of x1 (cutting angle) of -1.686 and x2 (Vc) of 0.199. From the uncoded process, the optimal value for the MRR factor is obtained, namely the cut angle of 10.64° and Vc of 15.28 m/min. The optimum feed rate for SCM 440 material is obtained at an optimal value of neither minimum nor maximum or a saddle point shape at a cutting angle cut of 10.64° and Vc of 15.28 m/min with an MRR area of ​​300-400 mm3/minute.
Fabrication of Aluminium Matrix Composite Powder Reinforced with Silicon Dioxide Tailings for Non-Asbestos Brake Pads (NOB) Sukanto, Sukanto; Wahyudie, Ilham Ary; Erwanto, Erwanto; Oktriadi, Yudi; Rodika, Rodika; Irwansyah, Ricky; Husman, Husman; Saputra, Devrin Dwiki; Algaza, Haradat Tahrir
Jurnal Penelitian Pendidikan IPA Vol 10 No 10 (2024): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i10.9208

Abstract

Tin mining tailings consist of 80-90% sand and the rest mud.  The high levels of Silicon Dioxide (SiO2) in these tailings are hard and can be used as an added material in the manufacture of composites.  This research aims to study the physical and mechanical properties of metal matrix composites reinforced with SiO2 powder processed by powder metallurgy, as an effort to provide a replacement material for Non-Asbestos (NOB) motorbike brake linings.  The impact of hot compaction pressure in the form of two pressing directions, including 4600, 4500 and 4400 Psi, with a pressing hold of 15 minutes and sintering which includes 30, 20 and 10 minutes, at a temperature of 600 ºC was studied for its effect on hardness and density.  Mechanical blending was used with a horizontal ball mill in the ratio of 10:1 at a speed of 90 rpm for 4 hours.  The test results showed that the greater the hot compaction pressure and the longer the sintering, the higher the hardness and density values.  The highest hardness reached 81.7 HB and the highest density of 2.385 g/cm3 occurred at a bidirectional hot compaction pressure of 4600 Psi, with the lowest wear rate of 0.333 mm3/m. This occurs as a result of the increase in hot compaction has an impact on increasing the contact between powder particles resulting from mechanical alloying to be tighter as a result of which the cavity and porosity decrease
Impact test strength analysis of composites reinforced with palm fiber (ijuk) Muhammad Saddam Alghofur, Muhammad Saddam Alghofur; Husman, Husman; Erwanto, Erwanto
JTTM : Jurnal Terapan Teknik Mesin Vol 7 No 1 (2026): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v7i1.1960

Abstract

The development of material technology drives the need for strong, lightweight, and environmentally friendly materials. One solution that is widely developed is natural fiber-based composite materials because they have good mechanical strength, abundant availability, and are biodegradable. Palm fiber (Arenga pinnata) is one of the potential candidates as a composite reinforcement due to its moisture-resistant, strong, and easily available properties in nature. This study aims to analyze the effect of variations in the volume fraction of palm fiber and the soaking time of 5% NaOH on the impact toughness of Yukalac 157 BQTN polyester resin-based composites. The method used is an experimental method with a hand lay-up process in making specimens and testing was carried out using a GOTECH GT-7045 impact testing machine according to ISO 179-1 standards. The variations tested include fiber volume fractions of 25% and 30% and soaking times of 2 hours and 3 hours. The results showed that the 25% fraction with a 2-hour immersion produced the highest toughness of 82.39 kJ/m², while the 30% fraction showed an increase in strength after a 3-hour immersion with a value of 37.77 kJ/m². This combination produces a polyester resin-based composite that is strong, lightweight, and has the potential to be used as an alternative material for sustainable motor vehicle body panels.
Studi Eksperimen Terhadap Performansi Mesin Bubut Bemato Series 44378 BU 27 Berdasarkan Penyimpangan Kesilindrisan Produk Hasil Pembubutan Erwansyah, Erwansyah; Husman, Husman; Gentara, Raju
Manutech : Jurnal Teknologi Manufaktur Vol. 17 No. 02 (2025): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v17i02.486

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 ?m. 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 ?m. 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.
Pengaruh Cetakan Terhadap Hasil Kericu Pada Mesin Pembuat Kericu Irawan, Terris; Wahyudie, Illham Ary; Husman, Husman
Manutech : Jurnal Teknologi Manufaktur Vol. 17 No. 02 (2025): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v17i02.491

Abstract

The Bangka Belitung Islands consist of two main islands, namely Bangka Island and Belitung Island, which have abundant marine natural resource potential. One of the typical products of the seafood is Kericu, which is a snack made from squid eggs and sago. Kericu has become a special souvenir that is in demand and has become a home-based business opportunity. UMKM "Ampiang Yu Erin" is one of the producers of keriku whose manufacture is still using manual methods, which causes obstacles in terms of worker fatigue and product inconsistencies. To overcome this problem, modifications to the crevice forming machine are carried out to improve production efficiency and product uniformity. Although the desired results have not yet been fully achieved, the trial showed progress close to the expected crease shape, confirming the importance of the mold in influencing the final quality of the product. The Bangka Belitung Islands consist of two main islands, namely Bangka Island and Belitung Island, which have abundant marine natural resource potential. One of the typical products of the seafood is Kericu, which is a snack made from squid eggs and sago. Kericu has become a special souvenir that is in demand and has become a home-based business opportunity. UMKM "Ampiang Yu Erin" is one of the producers of keriku whose manufacture is still using manual methods, which causes obstacles in terms of worker fatigue and product inconsistencies. To overcome this problem, modifications to the crevice forming machine are carried out to improve production efficiency and product uniformity. Although the desired results have not yet been fully achieved, the trial showed progress close to the expected crease shape, confirming the importance of the mold in influencing the final quality of the product.
Optimization of Surface Roughness in CNC Turning of SS 304 Stainless Steel Using Respon Surface Methodology Aiwa, Toto; Husman; Zaldy Kurniawan
Jurnal Rekayasa Mesin Vol. 20 No. 3 (2025): Volume 20, Nomor 3, Desember 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i3.7169

Abstract

Surface roughness is one of the important indicators in assessing machining results, especially in stainless steel (SS 304). This study aims to determine the influence of machining parameters, namely spindle speed, feeding speed, and feeding depth on the surface roughness of stainless steel material (SS 304) in the turning process using the mori seiki sl-25 CNC machine. The research was conducted using the Response Surface Methodology (RSM) method and the experimental design of Box-Behnken Design (BBD) to obtain the best combination of parameters. Previous research has only examined two variables separately without considering the feed rate at the same time. The results of this study show that among the 3 factor variables, only one factor, namely the speed of interpretation that can reject Ho with a value of f calculated as 4.79>4.77, which means that the speed of interpretation has a significant influence on the degree of roughness compared to other variables.  
Co-Authors ACHMAD AFRIADI Adhe Anggry Aiwa, Toto Aji Sultan Algaza, Haradat Tahrir Ananda, Ricky Tri Putra Andika, Wendy Putra Andre Rowanda Anugerah Putra R Arianda Pratama Ariyanto Ariyanto Armannia, Vanessa Oksya Armin, Andre Hasnuryadi Arriyani, Yang Fitri Aswin, Fajar Bayu Prasetya Denny Saputra Deri Saputra, Deri Dharta, Yuli Eko Yudo Erni Chaerani Erwansyah, Erwansyah Erwanto Erwanto Fadhlurrahman, Miftah Fahira Tamimy Fajar Abdallah Fajar Aswin Farehan, Ander Febrian Alfarisyi Gentara, Raju Haikal ikhsan, Muhammad Hasdiansah, Hasdiansah HERMANSYAH RHOMADAN Idiar, Idiar Ilham Ary Wahyudie Ilham Pramudya, Bagus Irawan, Terris Irwansyah, Ricky Kevin, Cristian Mahendra Saputra Indra Masdani, Masdani Muhamad Riva’i Muhammad Saddam Alghofur, Muhammad Saddam Alghofur Muhammad Yunus Novitasari Novitasari Oktriadi, Yudi Pratama, Arianda Pratama, Wahyudi Hafizi Pristiansyah, Pristiansyah Rendyatama Aprila Rian Rara Ilham Rian Ridho Rosmansyah Rio Ardiansyah Robert Napitupulu Rodika Rollastin, Boy RR. Ella Evrita Hestiandari Samuel Napitupulu, Rabinaswil Saputra, Devrin Dwiki Sateria, Angga Shafira Nindhia Fira Solly Aryza Sugeng Ariyono Sugiyanto Sugiyanto Sugiyarto Sugiyarto Sukanto Sukanto Sunding, Alang Syahbilla, Muthiara Triatna, Rajuwiraraja Vidian Suryani Wahyudie, Illham Ary widyaastuti, eny erlinda Wulandari, Sawitri Yawenda, Pahreza Yuli Dharta Yuliyanto Yuliyanto Zaldy Kurniawan Zulfitriyanto, Zulfitriyanto zulhelmi zulhelmi