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All Journal Jurnal Ilmiah Universitas Batanghari Jambi MEDIA BINA ILMIAH Machine : Jurnal Teknik Mesin Journal of Industrial Community Empowerment
Kadriadi Kadriadi
Politeknik Industri Logam Morowali
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Perbandingan Panas dalam Implementasi Sistem Efek Rumah Kaca dan Sistem Tradisional pada Pengeringan Biji Kopi Amiruddin Amiruddin; Hendi Lilih Wijayanto; Kadriadi Kadriadi; Kadex Widhy Wirakusuma
Jurnal Ilmiah Universitas Batanghari Jambi Vol 22, No 1 (2022): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v22i1.1819

Abstract

Indonesia as a country with the largest tropical climate in the world after Brazil, from 27 percent of the tropical zones in the world, Indonesia has 11 percent of tropical areas, including South Sulawesi which is a coffee-producing area which has an area of 690,283 hectares (ha) consisting of People's Plantations 656,067 ha. (95%), Private Basar plantations 19,077 (2.8%), State Large Plantations 15,139 ha (2.2%), South Sulawesi coffee producing areas, especially in Bantaeng spread across Tompo Bulu District. Most of the coffee in Bantaeng is grown in a mixed garden system. However, the drying process has a relatively long time span, so that the coffee harvest has a low level of dryness and the selling price is also not optimal. From these problems, the authors compare the temperature in the dryer with the greenhouse effect system and traditional drying, which is 10% - 30% degrees Celsius hotter using the greenhouse effect. For the efficiency level, the drying time between the greenhouse effect system and traditional drying is about 5-12 days faster using the greenhouse effect drying system.
Pengaruh Variasi Daya Pompa pada System Pendinginan TEG terhadap Tegangan yang Dihasilkan TEG Hendi Lilih Wijayanto; Amiruddin Amiruddin; Kadriadi Kadriadi; Kadex Widhy Wirakusuma; Nugroho Tri Atmoko
Jurnal Ilmiah Universitas Batanghari Jambi Vol 22, No 1 (2022): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v22i1.2017

Abstract

The amount of heat energy wasted on the furnace wall is of concern to researchers who are trying to utilize the heat energy wasted from a furnace wall as a generator or source of electricity. The waste heat from the combustion in the furnace can now be used as a source of electricity. The waste heat is converted into electricity using a thermoelectric generator, the TEG generator is an electrical generator device that converts heat (temperature difference) directly into electrical energy. In this research, the heat used is the cylindrical wall of the furnace with variations in the size of the pump that flows the coolant to the waterblock, to determine the efficiency and magnitude of the power pump used to cool the hot side of the TEG, which produces a high temperature difference and also produces large electrical energy. thermoelectric generator module reused 4 pieces SP1848 27145 SA module.
PENGARUH MEDIA CARBUZING ANTARA ARANG TEMPURUNG KELAPA DAN ARANG KAYU BAKAU TERHADAP NILAI KEKERASAN BAJA KARBON RENDAH Kadriadi Kadriadi; Rahmat Fajrul; Kadex Widhy Wirakusuma
MEDIA BINA ILMIAH Vol 16, No 2: September 2021
Publisher : BINA PATRIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33758/mbi.v16i2.1258

Abstract

The aim of this research is to investigate the influence of carburizing media variation to the microstructure and hardness of low carbon steel in pack carburizing process. The pack carburizing process is after applied to get hardness in the surface and ductility in the middle of metal.This research, carburizing media used is coconut shell charcoal, mangrove wood charcoal with a percentage weight of each - each 900g and 50:50 coconut shell charcoal and mangrove wood charcoal. In this study carburizing process carried out at a temperature of 950ºC with heating time of 180 minutes, 60 minute detention for the three processes Carburizing, The results of this research  indicate that the media coconut shell charcoal is more effective as compared carburizing media mangrove wood charcoal and a 50:50 mixture of coconut shell charcoal and wood bakau.campurang 50:50 coconut shell charcoal and mangrove wood charcoal violence occurs on the outside of 55 HRC With percentage increase of 313.5% at the beginning and harder than the carburizing Media coconut shell charcoal and wood inside the mangrove but resilient.
Sistem Transmisi pada Mesin Pembersih Sepatu Safety Semi Otomatis Muhammad Alfian; Hendi Lilih Wijayanto; Kadriadi Kadriadi; Muzadkir Jafar
Jurnal Ilmiah Universitas Batanghari Jambi Vol 23, No 1 (2023): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v23i1.3086

Abstract

The transmission system is a system that functions to change the torque and speed (rotation) of the torsion engine and has a different speed to keep it moving, the transmission system usually uses gears and fulleys as a rotation successor. Safety shoes are very important protective equipment to prevent injury from falling objects. In addition, it is very important to keep safety shoes clean to avoid falling or slipping while working. In a previous study, namely the Design of a Safety Shoes Cleaner, it did not use a transmission system so that the rotation of the electric motor shaft which was transmitted to the cleaning brush experienced a very large resistance and frictional force. In this study, the transmission system used in the shoe cleaning machine is gear transmission and pulley transmission, the number of gears used is 2 which type of gear used is bevel gear while the number of pulleys used is 5. The purpose of this study was to modify the transmission system of the safety shoe cleaning machine so that it produces counterclockwise rotation on the brush shaft at the top of the machine. This research was carried out in the repair laboratory and workshop of the Morowali metal industry polytechnic from April to September 2022, the research method consisted of planning, designing and manufacturing processes, then testing was carried out so that it could be concluded that the transmission system was running well. By pairing two straight gears on the engine transmission system so as to produce opposite rotation on the upper brush shaft which is transmitted from the motor to the shaft through the gear transmission and fulley belt.
RANCANG BANGUN MESIN PEMOTONG PIPA DENGAN LAS OXY ACETYLENE Jeri Ariksa; Yudi Setiawan; Kadriadi Kadriadi; Amiruddin Amiruddin; Angga Bahri Pratama
Machine : Jurnal Teknik Mesin Vol 9 No 1 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i1.3914

Abstract

Metal cutting is the stage of processing profile raw materials and steel plates according to the cut marks that have been set in the marking process. One of the metal cutting techniques is to use oxy acetylene welding where the cutting occurs due to the reaction of oxygen and steel. Oxy acetylene welding is a manual cutting and welding process, in which the surfaces to be joined are heated until melted by the flame of acetylene gas, namely burning C₂H₂ with O₂ with filler metal or without filler metal where the joining process is without pressure. Besides for welding purposes (connection), oxy acetylene welding can also be used as preheating, brazing, cutting and hard facing. In the process of cutting iron pipes using oxy acetylene welding manually, the problem that is often found is the results of uneven and not straight cuts. This causes a leveling process to be needed on the edges that are cut so that they are flat and straight. In this research, a pipe cutting machine with oxy acetylene welding has been made which aims to produce straight, smooth, and even pipe cutting. The pipe cutting machine that has been made can produce flat, smooth, and straight iron pipe cuts on iron pipes with a diameter of 4.5 inches, 3.5 inches and 3 inches with a cutting time of 32 seconds, a motor wave rotation speed of 5.8 Hz, and a cut tolerance of ± 3 mm.
Peningkatan Kompetensi Pengelasan Shielded Metal Arc Welding Bagi Masyarakat Desa Makarti Jaya Kabupaten Morowali Kadriadi Kadriadi; Kadex Widhy Wirakusuma; Jumaddil Hair; Muhammad Alfian; Fathurrasuli Fathurrasuli; Vincentius Sulistyo Aji Nugroho; Yusdianto Yusdianto
Journal of Industrial Community Empowerment Vol 2, No 2 (2023): Published in October 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v2i2.231

Abstract

Mekarti Jaya Village is located in the PT Industrial Area. IMIP, the need for industrial workers in the PT area IMIP continues to increase as the investment value in the area increases. To prepare the people and youth of Mekarti Jaya village to be able to take advantage of job opportunities in industries located in the PT area. IMIP needs to carry out training to increase competency, especially in the field of Shielded Metal Arc Welding (SMAW) welding position 2F. The selection of SMAW welding training materials was based on survey results, in which the need for welding specialist workers was the greatest need for industries in the PT area. IMIP. Training activities are carried out for approximately 1 month, starting with the preparation, implementation, and training results stages. The activities were carried out on February 27–29, 2022. Training activities were carried out at the Morowali Metal Industry Polytechnic Machinery Maintenance Engineering study workshop. The training was attended by ± 16 young people and residents of the village of Mekarti Jaya. The results of the training carried out were an increase in understanding and knowledge before and after the training activities were carried out; this was shown by the results of the constant shape of the ridges, welding position 2F, and the results of the post-test.
Co-Authors Amiruddin Amiruddin Angga Bahri Pratama Atmoko, Nugroho Tri Fathurrasuli Fathurrasuli Hendi Lilih Wijayanto Hendi Lilih Wijayanto Jeri Ariksa Jumaddil Hair Kadex Widhy Wirakusuma Muhammad Alfian Muzadkir Jafar Rahmat Fajrul Vincentius Sulistyo Aji Nugroho Yudi Setiawan Yusdianto Yusdianto