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All Journal Jurnal Ilmiah Teknologi dan Rekayasa Jurnal Sains dan Teknologi REKAYASA Turbo : Jurnal Program Studi Teknik Mesin Jurnal Teknologi Terapan Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Community Empowerment Jurnal Mekanik Terapan Teknologika Journal of Applied Mechanical Technology (JAMET) Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB) J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Ghany Heryana
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Perancangan Sistem Mekanik Penggerak Sumbu X Dan Y Pada Mesin CNC (Computer Numerical Control) CO2 Laser Cutting Kusmayanto, Ridwan; Heryana, Ghany; Jatira
Journal of Applied Mechanical Technology Vol 2 No 2 (2023): Journal of Applied Mechanical Technology (JAMET)
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jamet.v2i2.38

Abstract

CO2 Laser Cutting CNC Machine is a machine that uses a laser beam to cut or engrave certain materials. This machine is intended for small and medium enterprises (SMEs), one of which can help craftsmen to produce creative products such as accessories, handicrafts, decorations and others. The CO2 Laser Cutting CNC machine consists of several components, namely the machine frame, stepper motor, timing pulley, timing belt, shaft and bearings. With the above components are expected to work properly. The results of the design of the CO2 Laser Cutting CNC machine have dimensions of 1500 mm in length, 1200 mm in width and 330 mm in height. for the driving source using stepper motors on the X and Y axes with a torque issued by the X axis of 0.113 Nm and the greatest power on the X axis of 3.54 Watt, while the torque released on the Y axis is 0.2073 Nm and the greatest power on the Y axis is 6.5 Watt. The selected motor is a Nema 17HS4401 stepper motor and the transmission system uses a timing pulley and timing belt.
Perancangan Sistem Kendali Mesin CNC (Computer Numerical Control) laser Cutting CO2 2 Axis Berbasis Arduino Uno Lesmana, Bayu; Heryana, Ghany; Jatira
Journal of Applied Mechanical Technology Vol 2 No 2 (2023): Journal of Applied Mechanical Technology (JAMET)
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jamet.v2i2.43

Abstract

The machining industry, especially machine tools, is currently facing increasingly difficult challenges because this industry is required to produce inexpensive, precise products and fast production times. guaranteed 1/100 mm more and can produce products efficiently. The research to be carried out aims to design control of a CO2 laser cutting machine. So that the machine can work automatically with the control system using the Arduino Uno microcontroller and can run the g-code program with precision and be able to form certain patterns or designs. This laser cnc machine also has several important components including motor drivers, stepper motors, arduino microcontrollers and cnc shields. The operation of this machine uses the ligtburn software. The machine workflow includes a PC (personal computer), g-code, lightburn, driver which will then produce output on the machine in the form of automatic movement.
Analisa Keakurasian Mesin CNC (Computer Numerical Control) Laser Cutting CO2 pada Persumbuan X dan Y Lailiah, Azizatul; Heryana, Ghany; Suriaman, Irwan
Journal of Applied Mechanical Technology Vol 2 No 2 (2023): Journal of Applied Mechanical Technology (JAMET)
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jamet.v2i2.45

Abstract

The development of computer technology has progressed very rapidly. CNC (Computer Numerical Control) machines have come a long way in the last few decades. CNC (Computer Numerical Control) machines were first introduced in the 1960s, and have undergone technological changes and improvements since then. A machine tool is very susceptible to inaccuracies resulting in a machine that is used for a long time and repeatedly can result in its feeding process. The deviating feeding process will greatly affect the quality of the workpiece. The purpose of this study was to determine the calibration process of CO2 CNC Laser Cutting Machines on the X and Y axes and the results for making machine feasibility decisions. The dial indicator tool will be used to determine the calibration results on a 2-axis CO2 Laser Cutting CNC machine for CO2 Laser Cutting. This CO2 CNC Laser Cutting Machine will be calibrated on each axis, namely the X and Y axes.
PENINGKATAN EFISIENSI MANUFAKTUR RING INJECT CAVITY MOULD DENGAN PENGGUNAAN FIXTURE PADA MESIN CNC MILLING DI PT. BIL Hartman, Bemly; Izzat, Albait Malikul; Nursalam, Rachmat; Heryana, Ghany
Jurnal Ilmiah Teknologi dan Rekayasa Vol 29, No 3 (2024)
Publisher : Universitas Gunadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35760/tr.2024.v29i3.11211

Abstract

Ring inject cavity mould is a crucial component in the injection stretch blow process used in plastic bottle manufacturing machines. This process involves five main steps: injection, conditioning, stretching, blowing, and ejecting. However, damage to the ring inject cavity mould is a common occurrence, necessitating periodic component replacement. The objective of this research is to identify a more efficient production method for manufacturing ring inject cavity moulds at PT BIL. Currently, the manufacturing process is carried out using a conventional lathe, which requires 64 hours to produce 16 pieces in a single work order. This research aims to evaluate the effectiveness of using a CNC (Computer Numerical Control) milling machine as a more efficient alternative. The methodology employed involves comparing the production time between the conventional lathe and CNC milling, as well as implementing a fixture as an auxiliary tool in the CNC milling process. The data collected includes production time and product quality. The research results indicate that the use of CNC Milling significantly reduces production time to only 24 hours for 16 rings in a single work order, compared to the 64 hours required by the conventional lathe. Additionally, the quality of the products produced also meets the expected standards. The conclusion of this research is that the transition from a conventional lathe to CNC milling with the use of a fixture can improve the production efficiency of ring inject cavity moulds at PT BIL, with faster production time and maintained quality.
Redesain Alat Pencekam Plat dalam Konteks Jig and Fixture Pada Proses Pengelasan di Meja Kerja Rizka, Hawa; Matahelumual, Marselino; Ramadhan, Mochammad Tendi Noer; Heryana, Ghany
Jurnal Mekanik Terapan Vol 5 No 2 (2024): Agustus 2024
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v5i2.6545

Abstract

Proses pengelasan ialah metode penyambungan dua atau lebih material logam dengan menggunakan panas atau tekanan. Tujuannya adalah untuk menciptakan ikatan yang kuat antara material tersebut sehingga membentuk satu struktur yang padu. Proses ini melibatkan pemanasan material hingga titik lelehnya atau menggunakan tekanan untuk menyatukan mereka, dan sering kali menggunakan bahan tambahan untuk mengisi celah antara material yang akan disambung. Proses pengelasan plat seperti praktik dasar biasa menggunakan manual fixture yaitu pencekam manual yang dipegang oleh tangan dan mencekam plat seperti tang buaya, sehingga dalam hal ini membuat tidak efisien dalam proses pengelasan maka dari itu memerlukan welding fixture atau alat pencekam. Pembuatan cekam ini dilakukan untuk memudahkan ketika proses pengelasan. Welding fixture dibuat seperti clamp dengan memodifikasinya menyesuaikan dengan meja kerjanya, bisa digunakan dalam sudut pengelasan 45o, jarak antar kisi 3mm dan ketebalan kisi 3mm. Konsep desain dibuat dengan dimensi 25mmx12,5mmx25mm dengan perhitungan konepleksitas unuk mengetahui kesulitan pada produk dan proses serta menggunakan perhitungan assembly efisiensi untuk mengetahui seberapa efisien konsep desain tersebut.
Karakteristik Hasil Co-Pyrolysis dari Limbah Plastik dan Oli Bekas Kamal, Dianta; Heryana, Ghany
Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Vol 9, No 2 (2024): Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mecha
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jtmm.v9i2.5482

Abstract

This study aims to utilize low-density polyethylene (LDPE) plastic waste and used engine oil to produce alternative liquid fuel through the co-pyrolysis method. The co-pyrolysis process was carried out with various ratios of LDPE plastic waste and used engine oil, specifically 5:0, 5:1, 5:2, 5:3, and 5:4, within a temperature range of 165°C to 177°C for 1 hour. The characteristics of the resulting liquid products were tested to determine their calorific value, density, and viscosity. The results showed that the calorific value increased with the addition of used engine oil, reaching 11,061.67 cal/g at a 5:4 composition. The liquid products had an average density of 0.8686 g/mL, which was within the range of diesel fuel density. The viscosity of the liquid products also met gasoline standards, with an average value of <1 cSt. The highest yield efficiency reached 9.14 mL/kWh at a 5:4 composition with an efficiency of 1.93%, indicating significant potential in producing energy-efficient liquid fuel. This study sheds new light on the use of plastic waste and engine oil as environmentally friendly alternative liquid fuels.
Crack Analysis of Polyoxymethylene Reinforce Glass Fibre Material on Locker Table Nidhar, Ainun; Auberta, Genia; Dewi, Anissa Puspa; Heryana, Ghany
Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Vol 9, No 2 (2024): Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mecha
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jtmm.v9i2.5488

Abstract

Polyoxymethylene (POM) is a type of thermoplastic that is frequently used in various industrial applications due to its good dimensional stability, corrosion resistance, and superior tensile strength. However, in certain applications such as locker tables, the weakness of this material is revealed in structural failures. This research uses the finite element simulation method to analyse the failure of a locker table exposed to a helical torsion spring. The main focus was on the fracture of the part connected to the helical torsion spring, a common problem in plastic material applications subjected to cyclic loading. Results showed that the fracture occurred at a stress level of 121.061 MPa, exceeding the yield strength value that should have been broken at 150 MPa. In addition, the analysis showed that the highest Von Misses stress occurred where the spring was located, exceeding the specified yield strength. Tensile tests showed the effect of ambient temperature on the tensile strength of the POM+25%GF material. The proposed solution through the development of an additional structure in the form of ribs on the product successfully increased the strength of the locker table under load. This research provides important insights in improving product design to minimise the risk of structural failure in POM+25%GF material.
Alat Pengering Biopelet Tipe Rak Dengan Daya 500 Watt Kamal, Dianta Mustofa; Heryana, Ghany
Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Vol 8, No 2 (2023): Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mecha
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jtmm.v8i2.4783

Abstract

Drying of biopellets is currently still using the conventional method, namely by drying directly under the hot sun. This method is not optimal when the weather is rainy or cloudy, and requires a large area of land. Based on these problems, the purpose of this study was to test the performance of the biopellet dryer and determine the drying time to reach the moisture content in accordance with SNI 8021:2014. The test was carried out by drying 5.000 grams of biopellet samples and seeing the average of the final mass. The average final mass of each test sequentially is 4,785 grams, 4,581 grams, 4,385 grams, 4,016 grams, 3,804 grams, and 3,595 grams. The reduction in water content obtained within 180 minutes was 28.12% with the initial water content in biopellets of 40%. The total water content obtained from the drying is 11.88%. Performance of the biopellet dryer with the power used by this biopellet dryer is 500 Watt. Capable of drying 5.000 grams biopellet with an initial moisture content of 40%. Room temperature is 120°C with a drying rate of 468.667 Gram/hour. Dry biopellet within 180 minutes with a moisture content of 11.88% according to the standard of SNI 8021:2014.  Keywords: Biopellet Drying, Dryer, Moisture Content, Power
AZOLLA AND DUCKWEED PYROLYSIS PROCESS TO BECOME ENVIRONMENTALLY FRIENDLY FUEL Kamal, Dianta Mustofa; Syuriadi, Adi; Gunadi, Gun Gun R; Heryana, Ghany
Jurnal Ilmiah Teknologi dan Rekayasa Vol 30, No 1 (2025)
Publisher : Universitas Gunadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35760/tr.2025.v30i1.13921

Abstract

Pyrolysis is a thermochemical conversion process carried out to efficiently convert biomass, such as azolla and duckweed, to produce environmentally friendly fuels. This study aims to compare the results of the pyrolysis process of azolla waste with duckweed into fuel. This study uses a pyrolysis reactor to produce fuel products whose main products are syngas, bio-oil, and environmentally friendly carbon charcoal. From this study, it was found that azolla only produces 0.6% oil. This is 2.07% lower than duckweed, so duckweed is a potential raw material for bio-oil. On the other hand, azolla is able to produce more syn-gas fuel than duckweed, as evidenced by the longer ignition of azolla than duckweed.
OPTIMALISASI DESAIN JIG VALVE SPRING COMPRESSOR DENGAN DOUBLE FLANGE UNTUK EFISIENSI PELEPASAN DAN PEMASANGAN KATUP MESIN Dewi, Renita; Fatin, Shafa Amatullah; Wijaya, Krisna Chandra; Ramadhani, Anisa; Heryana, Ghany
Jurnal Teknologi Terapan Vol 11, No 2 (2025): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v11i2.703

Abstract

This research aims to develop a new design of Jig Valve Spring Compressor that uses double flange, replacing the previous design that only uses one flange. This new design, which is still under development, has the potential to increase the speed and efficiency of the cylinder head overhaul process which has previously shown an increase in time efficiency of up to 82%. The development of this design is based on ergonomic principles using the OWAS  method to minimize the risk of musculoskeletal injuries and improve the working comfort of technicians during the engine valve removal and installation process.
Co-Authors Abd. Rasyid Syamsuri Adang Saepudin Ade Sumpena Adi Syuriadi Ainun Nidhar, Ainun Amir Amir Amri Abdulah Anang Wahyu Setiawan Andi Ciswanto Andi Ulfiana ANDRI AHMAD SYAHID Apa, Abdullah Aprianto, Muchammad Chusnan Auberta, Genia Bachtiar Wahyu, Marcellinus Bachtiar, Mochamad Faisal Bayu Lesmana, Bayu Choirul Anwar Dede Ardi Rajab Dewi, Anissa Puspa Dewi, Renita Dianta Mustofa Kamal Epa Rosidah Apipah Faiz Azri Fatin, Shafa Amatullah Fuad Zainuri fuzi rachmat ramdhan Gun Gun R Gunadi, Gun Gun R Gunadi, Gun Gun Ramdlan Hadi Susanto Hady Sofyan Hamdi Harmanda, Adi Hartman, Bemly Hasan Hasan Herry Patria Hasan Heryadi, Yadi Indra Nurwinanto Irawan, Adhi Chandra Irwan Sukma Irwandi Iwan Susanto Izzat, Albait Malikul Jatira Kamal, Dianta Kamal, Dianta Mustofa Kusmayanto, Ridwan Lailiah, Azizatul Matahelumual, Marselino Maulana, Johan Moch. Sholeh Muslimin Muslimin Mutiara Andayani Komara Nana Juhana Nizarudin Nursalam, Rachmat Putra Nugraha, Ismail Rahmat Subarkah Rajab, Dede Ardi Ramadhan, Mochammad Tendi Noer Ramadhani, Anisa Ridwan Sidik Riswandi, Muhammad Andi Rizka, Hawa Salim, Asep Yusapra Setiawan, Yuda Shieddieque, Apang Djafar Shieddique, Apang Djafar Subekhi, TB. Sukarman Sukarman Sukarman Suriaman, Irwan Vika Rizkia Wahyuni, Rani Sri Wijaya, Krisna Chandra Yusuf, Relavi Ahmad Zaenal Muttahar, Mochammad Iqbal