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All Journal Traksi : Majalah Ilmiah Teknik Mesin JIMAT (Jurnal Ilmiah Mahasiswa Akuntansi) Undiksha Teknika LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Jurnal Mechanical ROTOR: JURNAL ILMIAH TEKNIK MESIN DINAMIKA Jurnal Ilmiah Teknik Mesin Majalah Ilmiah MOMENTUM Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) Jurnal Rekayasa Mesin Jurnal Pendidikan Teknik Mesin AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat AL-JAZARI JURNAL ILMIAH TEKNIK MESIN JTM-ITI (Jurnal Teknik Mesin ITI) JRST (Jurnal Riset Sains dan Teknologi) JURNAL EDUCATION AND DEVELOPMENT Jurnal Serambi Engineering Barometer JURNAL KAJIAN TEKNIK MESIN Jurnal Agrotek Indonesia Jurnal Teknik Mesin Jurnal Teknik Mesin Indonesia Dinamika Journal : Pengabdian Masyarakat G-Tech : Jurnal Teknologi Terapan Jurnal Pendidikan Teknik Mesin Undiksha Jurnal Mesin Nusantara Jurnal Ilmiah Wahana Pendidikan ARMATUR : Artikel Teknik Mesin dan Manufaktur Journal of Mechanical and Electrical Technology Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Jurnal Sigmat Teknik Mesin UNSIKA Jurnal Polimesin Serambi Engineering

Kardiman

Universitas Singaperbangsa Karawang

Author-ID : 2595718

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Perancangan Poros Roda Depan Motor Yamah New Jupiter MX 135cc 2014 Muhamad Mahbub Albuhori; Kardiman Kardiman; Viktor Naubnome
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 19 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Currently, motorcycles are a means of transportation that is widely used in Indonesia and even motorcycles are used as a primary need for a company or individual. This is because the price of motorcycles is relatively cheap for most people and also fuel and operational costs are quite affordable. In order for the vehicle to work properly, good components are needed, one of the components is the shaft on the wheels of the vehicle. This shaft serves to support the load of the vehicle itself as well as loads from outside such as, humans or cargo on a motorcycle. The purpose of this study is to find out the diameter that must be used on the front wheel axle of the yamah new jupiter mx 135cc motor. the method used is experimentation. The results of this study obtained the maximum normal voltage value on the shaft with a value of 525 Mpa, a security factor of 1.4, a permissible nprmal voltage of 410.7 Mpa and a shaft diameter used of 11 mm.

Proses Pembuatan Jig Magazine Pada Mesin CNC Turning dan Milling Di PT XYZ Habibie Mochammad; Kardiman Kardiman
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 21 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Developments in manufacturing technology companies are currently growing rapidly, especially industries with large-scale production in a very short time. By using a computer, it can create a system where the production process can be carried out quickly and with quality. This technology is embedded in machine tools that are usually used for mass production, namely CNC (Computer Numeric Control). In addition, using a CNC machine is more efficient than conventional machines because it can save time, be more accurate, flexible and efficient. Therefore, many companies are using this CNC machine in the modern era [3]. One of the companies engaged in this machining is PT. XYZ, where one of its products is produced using a CNC machine, namely the manufacture of a jig magazine. After analyzing the jig magazine manufacture on the CNC – 450 machine, the Jig and Fixture Design that was made can be used as a tool. As well as in the production of making Jig Magazine products, Jig and Fixture designs can provide a decrease in total time, product manufacture, product quality improvement, productivity improvement and cost savings, Feeding speed in the initial process is 1000 mm/min, The slope of the Support bar guide is 3, 18o, The obtained gripping force is 2304.03N

EVALUASI IMPLEMENTASI PROGRAM EKSTRAKURIKULER MEWARNAI GAMBAR KELAS 1-3 SDS PAH TSUNG Faizin Nawarda; Kardiman Kardiman; Isnawati Isnawati; Lolla Amelia Ainun
Jurnal Education and Development Vol 10 No 3 (2022): Vol.10. No.3 2022
Publisher : Institut Pendidikan Tapanuli Selatan

Extracurricular activities provide opportunities for students to develop and express their abilities according to their interests when school time is over. Mahogany et. Al. (2005) argue that extracurricular activities are defined as organized activities, adult supervision, emphasizing skill development, and promoting positive student development. Meanwhile, Nelson et. Al. (2002) assumed in their study that extracurricular activities are experiences outside the classroom. Extracurricular activities include non-formal curriculum, volunteer work, and student groups, as well as student clubs and initiatives outside of school. This can occur inside and outside school buildings, as well as after and during school hours (Bîrzéa et al., 2004). In the end, extracurricular activities are non-formal curriculum activities held outside school hours which aim to support and develop students' abilities in certain fields and to build their self-confidence.

Analisis Kekuatan Struktur Komposit Honeycomb Sandwich Berpenguat Jenis serat Kaca dan Serat Ijuk Yoggie Pratama; Kardiman Kardiman; Iman Dirja
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 22 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

In this study, glass fiber and palm fiber reinforced composite materials were used with a honeycomb structure, especially a sandwich. The use of this composite material was chosen because it is environmentally friendly and can also be recycled. The use of glass fiber and fiber fiber reinforced composite materials was chosen because it is a lightweight material and also palm fiber is an abundant material and has not been utilized optimally, strong and also cheap. Material testing is done without knowing the compressive strength of the composite material itself. From the test data obtained, it shows the ability to build a honeycomb construction with the average load results being 16,979 N, 11,148 N, 10,948 N. Solidworks is a simulation software used in this study to be used to compare the maximum capacity of stress, strain and displacement results. material testing with simulation results obtained shows that the critical area for stress in each specimen is 25.92 MPa, 17.01 MPa and 16.71 Mpa

Simulasi Analisis Kekuatan Struktur Komposit Honeycomb Sandwich Berpenguat Jenis Serat Batang Pisang dan Serat Kaca Rivaldi Rivaldi; Kardiman Kardiman; Aa Santosa
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 22 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

In this study, the sandwich structure is known as a core attached to two rigid and strong shells; The core distributes the load from one shell to another. While the skin contributes to bending and turgidity, adhesives that carry shear and axial loads to the core material are used as bonding agents. As a binder in this composite used polyester resin. The honeycomb sandwich panels made are 50mm high and 50mm wide, while the panel lengths are made in three variations, namely with honeycomb lengths of 50mm, 75mm and 100mm. This honeycomb sandwich panel was tested by bending test to obtain flexural strength and stiffness values. Of the three panels that were made identically for each honeycomb core height, the highest flexural strength and stiffness figures were obtained in the panel with a honeycomb core height of 50mm, namely with a flexural strength number of 5.08kg/mm2 and a stiffness value of 12.74kg/mm.

Analisa Hasil Pengujian Alat Tenaga Listrik Berbasis Wind Turbine di Curug Cigentis Desa Mekarbuana Sahrul Asrofani; Kardiman Kardiman; Ratna Dewi Anjani
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 22 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

One of the uses of renewable energy that currently has great potential to be developed is wind energy. This energy is clean energy and in its production process does not pollute the environment. The development of wind energy in Indonesia for now is still relatively low. One of the reasons is that the average wind speed in Indonesia is classified as low wind speed, which ranges from 3 m/s to 5 m/s, making it difficult to generate electricity on a large scale. However, the wind potential in Indonesia is available almost all year round, making it possible to develop small-scale power generation systems

SIMULASI BEBAN RANGKA PADA MESIN PENGGILING SEKAM PADI MENGGUNAKAN PERANGKAT LUNAK Muhammad Alfarhan Ficki; Kardiman Kardiman; Najmudin Fauji
ROTOR Vol 15 No 2 (2022)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/rotor.v15i2.32447

One of the main components in the rice husk grinding machine is the frame. The frame is the most important fundamental part, especially for use in machinery, because the function of the frame is as a support for the components themselves, and is able to withstand axial, normal and moment forces to maintain stability in the machine. The strength of the frame depends on the shape or type of construction which is able to withstand torsional loading from the engine and also withstand the shock that is given when the engine moves. So the purpose of this study is to find out how to simulate the loading of the frame on a rice husk grinding machine using SolidWorks software, and to know the comparison of theoretical calculations and simulations for 3 material variations on the frame of a rice husk grinding machine in a static state. The method used is the Finite Element Method (MEH), MEH with software can determine the loading points. From this test, researchers can find out which points have a minimum load, a medium load, and a maximum load. The results of the analysis provide the safety value of original and processed materials, changes in materials can be concluded which material is more ideal. The results of this study are that among AISI 1010, ASTM A36, and AISI 1045 materials, the best material is AISI 1045 material because it has the greatest safety factor value of 12.15.

PERANCANGAN BILAH INVERSE TAPER BERBAHAN STYROFOAM DENGAN AIRFOIL NACA 4412 Simon Petrus Sidabutar; Kardiman Kardiman; Rosmawan Arwinda Setyaningrum
ROTOR Vol 14 No 2 (2021)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

In the manufacture of wind turbines, there are several parameters that are taken into account, namely the wind speed in the area to be installed. The wind speed in Indonesia ranges from 3m/s – 11m/s, so it is quite difficult to implement a macro-scale wind turbine and the facilities are still inadequate. So this design is a design to make a micro-scale wind turbine that adapts to the characteristics of wind speed in Indonesia. In this design, a blade with the Inverse Tapper type is made which is a blade type with an enlarged shape to the end to get a large sweep at the end of the blade and produce a lift force that is greater than the drag force on the blade so that it can rotate the blade. In the design of this blade, material changes are also made, generally the material used in the blade is made of wood, fiber, and aluminum. In this design, a material made of styrofoam is used, this is to make the mass of the blade lighter and make the blade able to rotate at the smallest wind speed. In this design, the maximum power obtained is 553 watts at 668 rounds of blade rotations . Keywords : Airfoil, Inverse Blade, Cl/Cd, Styrofoam.

Perhitungan Rem Cakram Roda Depan Motor Revo Absolute 110cc Tahun 2010 Karna Haerudin; Kardiman Kardiman; Aripin Aripin
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 24 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

The development of science and technology is experiencing very rapid growth. Since the birth of the industrial revolution with the invention of steam engines, otto engines and human diesel engines have been competing to conduct research to find technology that aims to facilitate daily human activities, without exception, technological developments in the automotive field have been progressing very rapidly. The purpose of this study is to determine the magnitude of the braking force, the magnitude of the pressure force of the brake pads and the life of the disc brake pads at a certain codition. Based on the results of the calculations that have been carried out, the force transmitted in each braking process is 62,911 Kgf, the piston pressing force is 265,666 Kgf and the piston pressure force is 21 Kgf. Then for the brake pad age, which is 994.28 hours.

Pengaruh Variasi Tekanan Pada Hydrostatic Test Terhadap Pengelasan Gas Tungsten Arc Welding (GTAW) Pipa Baja ASTM A106 Rohadin Rohadin; Kardiman Kardiman; Deri Teguh Santoso
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 1 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Pipes are tools for flowing fluids. In the mining sector, energy makes a major contribution to the use of pipes. ASTM A106 steel is a low carbon steel pipe used for high temperature applications (up to 750 degrees F). This pipe is able to withstand high temperatures and high pressures, so it is widely used in the oil and gas, petrochemical, power generation, and ship building industries. The purpose of this study was to determine the effect of variations in the pressure of the Hydrostatic test on ASTM A106 steel pipe welding joints with a current of 90 A and variations in the pressure of the Hydrostatic test of 450 Psi, 1150 Psi and 2225 Psi. The results showed that there were imperfect melting defects, excessive root penetration, porosity, and root concavity. For the Hydrostatic test with pressure variations of 450 Psi, 1150 Psi and 2250 psi for 3 pipes, the results showed that there were no leaks in the three pipes. 405.33 and the lowest uji tarik is found in spesimens that have been subjected to a Hydrostatic test with a pressure of 450 Psi with a uji tarik of only 367.01 .

Co-Authors ., Marno A P Bayuseno A. P. Bayuseno Aa Santosa Aa Santosa Aab Arohman Ahmad Fikri Assidik Ahmad Shalihudin Al Ichlas Imran Aldriansyah, Muhammad Faisal Alfin Daffa Mubarok Ali, Muhammad Fathul Alvin Iskandar Aditya Anantha Malden Anggrek Oktaviameta Anjani, Ratna Dewi Arif Baidilah Arif Budiman Nugraha Aripin . Aripin Aripin Arrozaqqul Majid Arum, Ardiansyah Asep Iman Fathurrahman Banu Aji Bastaman Syah Bimantoro, Bagus Bobie Suhendra Boni Sena Dadan Ma'arif Deni Hidayat Deri Teguh Santoso Dewi Marlina Dhio Irawan Dian Budhi Santoso Dian Budhi Santoso Didis Cahyadi Doni Setyawan Dr. Edy Sujana,SE,Msi,AK . Eko Nurprasetyo Eri Widianto Eri Widianto Esti Taqwaningrum Evan Pradana Fachrudin, Afif Faizin Nawarda Fajri Julian Faradina C.S Farradina Choria Suci Farradina Choria Suci Fauzan D.S Fuadi Fauzan Hibatullah Fawzy Muhammad Bayfurqon Firdaus, Muhammad Rifqi Gamas Rizqilah Gede Adi Yuniarta Geri Permana Habibie Mochammad Hanfi, Rizal Hanifi, Rizal Hasbi Risqullah Hidayat, Rifky Nur Ilham Ramadhan Iman Dirja Iman Dirja Iskandar, Don Joean Isnawati Isnawati Iwan Nugraha Iwan Nugraha Gusniar Iwan Nugraha Gusniar Johan Hendra Saputra Jojo Sumarjo Karna Haerudin Khalid Khalid Kusnadi, Kusnadi Lolla Amelia Ainun Luthfi Musthafa Luthfi Rachman Sidqi Mahardhika, Khabibbullah Enggal Mark, Wendry Marno Marno Marno, Marno Miko Mikael Mochammad Rajib El Atros Mohadly Satya Permadi Muhamad Mahbub Albuhori Muhamad Rikza Aldiansyah Muhammad Alfarhan Ficki Muhammad Andreansyah Muhammad Farhan Walidina Muhammad Rifqi Firdaus Munadi Munadi Najmudin Fauji Nanang Burhan Naubnome, Viktor Naufal Yossi Laksana Noviana Nurhikmat Nugraha, Asep Erik Oga Rahadin Oleh Oleh Oleh Oleh Pakpahan, Efendi Alvonco Pradityo Abimanyu Prasojo Yogatama Reza Gumelar Rifki Maulana Sidik Rio Julianto Sukarman Riski Eka Prayoga Rivaldi Rivaldi Rizal Hanfi Rizal Hanifi Rizal Hanifi Rizal hanifi Rizky Miftahul Amri Rohadin Rohadin Rosmawan Arwinda Setyaningrum Rudi Handoko Sahrul Asrofani Saputra, Muhammad Aji Saputra Aji Simon Petrus Sidabutar Siswadi Stefanus Aldy Kurniawan Stefanus Muryanto Sumardi Sumardi Tabayyun, Candan Thoriq Azis Ujiburrahman Wahyu Tri Prayogo Wahyudin Wahyudin Wilanno, Marga Rizqi Yofi Aziz Rafi Athallah Yoggie Pratama Yuda Purwalaksana Zha Oktaviana Dela Putri, Zha Zha Zha Oktaviana Dela Putri

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