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All Journal Jurnal Rekayasa Mesin JURNAL PENDIDIKAN TAMBUSAI Barometer Jurnal Teknik Mesin Indonesia Jurnal Pendidikan Teknik Mesin Undiksha Jurnal Ilmiah Wahana Pendidikan ARMATUR : Artikel Teknik Mesin dan Manufaktur

Iwan Nugraha Gusniar

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Author-ID : 2020203

Religion Aerospace Engineering Automotive Engineering Control & Systems Engineering Education Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Perhitungan Poros Roda Depan Motor Supra X 125 Helm In Iwan Nugraha Gusniar; Muhamad Fadhlan Suhelmi
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 5 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

The shaft is one component of a motorcycle that is no less important than other components. These components function to support the load of the vehicle itself as well as external loads such as humans or cargo on a motorcycle. This study aims to determine the working stress and also the safety factor on the shaft. The component that will be discussed is the front axle of the Supra X 125 Helm In motorcycle. The method used is an experimental method with qualitative and quantitative analysis. The results of the analysis show that if a load of 70 kg is given, then the value of the working stress is 230.45 N/mm2, while the safety factor is 1.488

Analisis Penerapan Metode Economic Order Quantity (EOQ) dan Just In Time (JIT) Pada Manajemen Pengendalian Persediaan Bahan Baku Pada PT. XYZ Iwan Nugraha Gusniar; Muhamad Mahbub Albuhori; Diah Arum Puspita
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 7 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

With the application of the EOQ and JIT methods, PT. XYZ can find out the right time and quantity of inventory orders and can be determined by safety stock to overcome the uncertainty of customer demand in accordance with the calculation results of the Economic Order Quantity (EOQ) and Just In Time (JIT) methods. Comparative research is used by researchers to compare inventory methods according to PT. XYZ with EOQ method and JIT method in efficiency of inventory costs and inventory optimization. The optimal quantity of raw material purchases on the EOQ method for Lever A, Lever B, Bolt, Joint, Base Ratchet, Ratchet Plate, Rod Release Assy, Equalizer, Spring Rod, Equalizer Pin, and Nut, Adjust is 10,421 on each raw material. As for the raw material, the Pawl is 22,162 and for PCV Compound it is 2,665 kg The total cost of the EOQ method on PT. XYZ of Rp. 33,571,768. The minimum inventory of just in time method of Lever A and Base Ratchet raw materials is 20,842 pcs, for Lever B, Bolt, Joint, Ratchet Plate, Rod Release Assy, Equalizer is 23,302 pcs, for Pawl is 54,285 pcs, PVC Compound is 5,331 kg, Spring Rod, Equalizer Pin, and Nut, Adjust is 27,571 pcs. The total cost of the Just In Time method at PT. XYZ of Rp. 14,766,569

Analisis Pengaruh Jarak dan Diameter Lubang Rivet Terhadap Kekuatan Sambungan Tumpuk Beban Aksial Rizky Juliardi; Oleh Oleh; Iwan Nugraha Gusniar
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 12 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Beam splicing using butt joints is one of the most common forms of connection found in the construction of bridges, towers or other structures. The size of the connection used is adjusted to the ability of the base material, the existing external load and the material of the seam and rivet itself. The number of rivets used must also be adjusted to the load to be supported. If the number of rivets used is too much, it will also cause stress on the connection itself. Due to the complicated combination of the two elements, namely the seam and the diameter of the rivet used, everyone can determine the size at will regardless of the stress propagation on the seam or rivet. In this study, the authors analyzed the effect of the combination of hole diameter and the distance between holes on the strength of the connection at stack connection. Based on the results of research that has been carried out on a double blade seam plate with variations in the thickness of the seam and the diameter of the rivet. The maximum stress that occurs on the seam or rivet is smaller than the stress on the main plate. So the possibility of failure is greater on the main plate. For rivets with a diameter of 12 mm and a seam thickness of 6 mm, the maximum stress that occurs is still below the main plate stress. At the rivet diameter of 16 mm, the stress began to increase sharply on the main plate and the seam. The decrease in the cross- sectional area due to the increase in the diameter of the rivet increases the stress generation. For connection and rivet safety factors, the average is above 7 and the condition is very safe. This safety factor is also greatly influenced by the distance between the holes and the thickness of the seam plate used. The greater the decrease in the normal surface area, the lower the safety factor.

Proses Produksi Beton Segar Pada Mesin Batching Plant di PT Prima Beton Nusantara Rifqi Wafi Fathullah; Viktor Naubnome; Iwan Nugraha Gusniar
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 14 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

The purpose of this study was to obtain the results of the Fresh Concrete Production Process at the Batching Plant Machine at PT Prima Beton Nusantara. Concrete production process at PT. The SBU Prima Beton is a production that is quite widely used by other PTs. From the report above, several conclusions can be drawn, namely: 1) The concrete production process using a batching plant machine is the thing that is most widely used by companies that make large amounts of concrete because of its efficiency. which is quite good and fast., 2) The stirring process is one of the main things in the process of making concrete., 3) The production process using the Batcing Plant Machine is enough to affect the quality of the concrete produced.

Analisa Faktor yang Mempengaruhi Kegagalan PadaProses Produksi Finned Tube Menggunakan Mesin Spiral Finned Tube di PT. Arezda Purnama Loka Alfin Daffa Mubarok; Kardiman Kardiman; Iwan Nugraha Gusniar
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 15 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

PT. Arezda Purnama Loka was founded in 1983, Arezda is one of the companies engaged in manufacturing. In the production process, sometimes there are often failures, therefore the purpose of this study is to find out the factors that affect the production process of the finned tube production process using a pt finned tube spiral machine. Arezda Purnama Loka. This research uses qualitative research, data collection is carried out using observation methods, interviews, and literature studies, while data processing uses fishbone analysis. From the results of the study, it was found that the type of failure of the production process in the spiral finned tube machine was caused by several factors such as man, material, methode, machine.

Analisis Pengaruh Variasi Media Pendingin Pengelasan SMAW Terhadap Kekuatan Tarik Baja ST 37 Haura Muthia Munawar; Iwan Nugraha Gusniar; Ratna Dewi Anjani
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 22 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Welding is commonly used in manufacturing, one of the processes in welding is the cooling process. The cooling process is carried out against the results of welding steel ST 37 using air, water and oil cooling media. This process aims to fixing the tensile strength value of the welding result ST 37, without changing the composition chemistry. This process includes welding and cooling at a certain speed to obtain the desired properties as well as varying tensile strength values With experimental research methods, the purpose of this study is to find out how the influence of variations in cooling media on the tensile strength of ST37 steel. From some of the cooling media used, it can be seen that a good cooling media is an oil cooling medium, because the average tensile strength is 53,415 kg / mm2. As for the cooling media what produces the greatest tensile strength is the air conditioning media with the average tensile test was 49,764 kg/mm2.

Pengaruh Pengelasan Gas Tungsten Arc Welding (GTAW) Pada Uji Kebocoran Pipa Baja ASTM A106 Menggunakan Metode Uji Hydrotastic Test Muhammad Rifki Aziz; Aa Santosa; Iwan Nugraha Gusniar
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 6 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.7781893

ASTM A106 pipe is a type of low carbon steel pipe used for high temperature applications (up to a temperature of 750 degrees F). This type of pipe is resistant to corrosion and can withstand high fluid pressure, so it is often used in the industrial world to convey water, oil and other oils. The purpose of this study was to compare the heat input resulting from variations in welding current to the hydotest, microstructure and tensile test. The method used uses Gas Tungsten Arc Welding (GTAW) welding with current variations of 70 A, 90 A and 110 A with a Hydrostatic Test pressure of 450 Psi. The results showed that the greatest heat input occurred at a current variation of 110 A with a heat input of 1,349.05 J/mm and the lowest heat input occurred at a welding current of 70A of 1,229.72 J/mm. The results of the microstructure test with variations in GTAW welding currents formed the Ferrite-Pearlite phase as a constituent of the microstructure. The results of the tensile test on A106 steel pipe with variations in welding currents of 70A, 90A, and 110A, the highest tensile strength occurred at a welding current of 110A with a tensile strength of 46.7 N/mm and the lowest tensile strength at a current of 70A with a tensile strength of 43.85. Whereas for the Hydrostatic test with class # 150, the pressure is 1.5x design, so the maximum pressure reaches 450 Psi is carried out on 3 pipes with GTAW welding variation 3 with welding currents of 70A, 90A and 110A, declared successful because no leaks occurred during the test.

Analisis Poros Roda Depan Sepeda Motor Vespa PX Mohamad Rifal Darojat; Iwan Nugraha Gusniar; Iman Dirja
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 7 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.7816274

The front wheels are used to hold the load and maintain the balance of the vehicle while walking. The front axle must be of sufficient dimensions to support the loads imposed on it. This design aims to make an axle using the appropriate material so that it is safe to use, then the method used is to measure directly on the vehicle taking into account the specifications of the vehicle and also the specifications of the axle. The material used to design the wheel axle with bending load is S45C construction steel with a tensile strength of 490-550 MPa. The shaft that receives the bending load produces a stress that occurs due to the shaft of 105 MPa and a permissible diameter of 57 mm while the safety factor that occurs in the calculation of the front axle is 4.2, an element of the machine will be SAFE, if: Material Strength > Occurring Stress. From the calculation results it is also known that the deflection that occurs on the shaft is 7.7 mm.

Perhitungan Poros, Puli Dan Sabuk – V Pada Kompresor Merk Shark Lzpm-5114 Iwan Nugraha Gusniar; Bayu Nugroho Putra Santoso
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 8 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.7886062

In this modern era, technology is developing very rapidly, so that higher education programs are developed as maintenance, research and development centers. The task of machine elements is a good exercise for students so they can apply the knowledge they have acquired in the form of an analysis of an equipment. Compressor engines generally use electric motors, gasoline engines, or diesel engines as their driving force. The compressor also transmits power from one shaft to another through pulleys that rotate at the same or different speeds which is transmitted through a V-belt that is wound on the compressor pulley which will move back and forth on the piston/piston. For example, a compressor in a workshop is used to fill air in car or motorcycle tires. Compressors are also used to clean dirty engine parts and other benefits that are often encountered daily.

Co-Authors Aa Santosa Ajat Rukajat Aldi Wahyu Permana Alfin Daffa Mubarok Andrika Triawan Anjani, Ratna Dewi Anwar Gumilar Bayu Nugroho Putra Santoso Dhio Irawan Diah Arum Puspita Disya Haeriati Ariwiana Putri Haura Muthia Munawar Iman Dirja Kardiman Mohamad Rifal Darojat Muhamad Fadhlan Suhelmi Muhamad Jamil Akbar Saputra Muhamad Mahbub Albuhori Muhammad Rifki Aziz Munadi Munadi Oleh Oleh Pakpahan, Efendi Alvonco Rifqi Wafi Fathullah Rizal Hanafi Rizky Juliardi Rizky Mulya Manullang Totoh Tauhidin Abas

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