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All Journal Accurate: Journal of Mechanical Engineering and Science
Pujono
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Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Desain dan Perancangan Alat Welding Holder untuk Pengelasan Pelat pada Las GMAW Kurniawan, Ipung; Sodikin, Jenal; Pujono; Setia Pribadi, Joko; Santoso, Agus
Accurate: Journal of Mechanical Engineering and Science Vol. 4 No. 1 (2023): April 2023
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v4i1.1870

Abstract

One of the metal welding processes required by the manufacturing industry is gas arc welding (GMAW). The welding process that is capable of transmitting large amounts of heat at high speeds is gas electric welding or GMAW (Gas Metal Arc Welding). The design mechanism for the movement of the X and Y axes in the development of GMAW welding holders uses the stages of finding ideas, studying literature, identifying problems, designing, making tools and testing machines. The purpose of this study was to design a mechanism for moving the X and Y axes in the development of an automatic GMAW torch holder machine and to calculate the machine elements in the development of an automatic GMAW torch holder machine. The process of designing and constructing the movement of the X and Y axes in the development of an automatic GMAW welding torch holder machine is carried out with a design procedure that is used as a reference in solving problems. The track shaft uses chrome steel with a diameter of 25 mm and a length of 800 mm, Linear bearings use type SCS25UU with an inner diameter of 25 mm, Linear rail shafts use aluminum alloy material with a diameter of 25 mm which is used to support the end of the track shaft, Ballscrew uses the SFU 2005 type with a size of 3/4 inch which is equipped with a ballscrew nut and also a nut housing, Bearing block uses a UCP type with a diameter of 20 mm, Flexible coupling measuring 5 mm to 10 mm is used to connect the drive screw with the stepper motor, The stepper motor is used as the main power to drive the drive screw type Nema 17 (17HD48002H-22B) with the specifications Step Angle: 1.8o, Rated Current: 1.5 Ampere, Voltage : 2.7V.
RANCANG BANGUN SISTEM TRANSMISI PADA MESIN PEMISAH ANTARA DAGING DAN BIJI BUAH DURIAN KAPASITAS 3 KG Kurniawan, Ipung; Pujono; Joko Setia Pribadi; Agus Santoso
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2333

Abstract

Proses pemisahan daging dan biji buah durian menggunakan cara manual memiliki kesulitan dan kelemahan yang membuat pekerja mengalami cidera pada jari tangan dan membutuhkan waktu serta tenaga yang banyak. Penelitian ini bertujuan merancang dan membuat sistem transmisi mesin pemisah daging buah dari biji durian serta melakukan pengujian fungsi dan hasil. Metode yang dilakukan melalui observasi langsung di UMKM untuk merealisasikan mesin tersebut. Hasil yang diperoleh berupa putaran output sebesar 200 rpm dengan kapasitas mesin 3 kg. Sistem transmisi yang digunakan pada mesin adalah puli dan sabuk-v tipe B dengan sumber penggerak berupa motor listrik AC 1 HP. Hasil pengujian fungsi terhadap sistem transmisi menunjukkan bahwa setiap komponen mesin dapat berfungsi dengan baik sesuai dengan fungsi serta mampu menghasilkan putaran 200 rpm sesuai yang direncanakan. Hasil pengujian menunjukkan dengan 2 mata blade dengan waktu 30 detik menghasilkan jumlah rata – rata pemisahan sebesar 1.495 kg. Sedangkan dengan 3 mata blade dengan waktu 30 detik menghasilkan jumlah rata-rata pemisahan sebesar 1.580 kg. Jadi pengaduk dengan 3 mata blade lebih efisien untuk proses pemisahan daging buah dari biji durian.
PERANCANGAN DAN UJI FUNGSI SISTEM PEMBERSIH KANDANG SAPI TIPE PENGIKIS LANTAI MENGGUNAKAN SOROK MEKANIK Ipung Kurniawan; Pujono; Pribadi, Joko Setia; Dian Prabowo
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 2 (2024): October 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2515

Abstract

The floor scrapping method for cowshed cleaning systems has been widely applied on several modern farms today with the aim of making it easier for farmers to clean the cowshed. The mechanical design of the motor-driven scraper aims to facilitate the cowshed and save human energy. The design method uses James H. Earle method and is continued by carrying out the production process for the cowshed cleaning systems. This system works using a chain to pull the scraper so that it moves to scrape dirt on the floor by pushing it, so that work that was previously done manually can be done more easily with the help of this tool. The designed tool has dimensions of 1000 mm x 500 mm x 300 mm, while the mechanical beam design has dimensions of 700 mm x 200 mm x 3 mm. Based on the calculation results, bending stress data was obtained of 20.534 N/mm2 for the frame and 41.476 N/mm2 for the scraper. Calculation of the transmission system for the cowshed cleaning tool obtained specifications for an electric motor with a power of 0.02 HP, a pulley measuring 72.6 mm, a belt measuring 26 inches, a shaft measuring 12 mm and rolling bearings with a life of 24 years. Then, from the result of testing the frame and scraper using Solidwork software, it was found that the stress was 29.95 MPa for the frame and 67.49 MPa for the scraper. This stress value is declared safe because it is still below the permitted stress. Meanwhile, based on function testing, the most effective nozzle to use is a nozzle with an angle of 15o because it has a higher spray intensity than the others and thus has the highest cleanliness value. Based on test results, the cowshed cleaning tool obtained an average cleanliness score of 75.6 with a time of 60 seconds.
Desain dan Perancangan Alat Welding Holder untuk Pengelasan Pelat pada Las GMAW Kurniawan, Ipung; Sodikin, Jenal; Pujono; Setia Pribadi, Joko; Santoso, Agus
Accurate: Journal of Mechanical Engineering and Science Vol. 4 No. 1 (2023): April 2023
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v4i1.1870

Abstract

One of the metal welding processes required by the manufacturing industry is gas arc welding (GMAW). The welding process that is capable of transmitting large amounts of heat at high speeds is gas electric welding or GMAW (Gas Metal Arc Welding). The design mechanism for the movement of the X and Y axes in the development of GMAW welding holders uses the stages of finding ideas, studying literature, identifying problems, designing, making tools and testing machines. The purpose of this study was to design a mechanism for moving the X and Y axes in the development of an automatic GMAW torch holder machine and to calculate the machine elements in the development of an automatic GMAW torch holder machine. The process of designing and constructing the movement of the X and Y axes in the development of an automatic GMAW welding torch holder machine is carried out with a design procedure that is used as a reference in solving problems. The track shaft uses chrome steel with a diameter of 25 mm and a length of 800 mm, Linear bearings use type SCS25UU with an inner diameter of 25 mm, Linear rail shafts use aluminum alloy material with a diameter of 25 mm which is used to support the end of the track shaft, Ballscrew uses the SFU 2005 type with a size of 3/4 inch which is equipped with a ballscrew nut and also a nut housing, Bearing block uses a UCP type with a diameter of 20 mm, Flexible coupling measuring 5 mm to 10 mm is used to connect the drive screw with the stepper motor, The stepper motor is used as the main power to drive the drive screw type Nema 17 (17HD48002H-22B) with the specifications Step Angle: 1.8o, Rated Current: 1.5 Ampere, Voltage : 2.7V.
RANCANG BANGUN SISTEM TRANSMISI PADA MESIN PEMISAH ANTARA DAGING DAN BIJI BUAH DURIAN KAPASITAS 3 KG Kurniawan, Ipung; Pujono; Joko Setia Pribadi; Agus Santoso
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2333

Abstract

Proses pemisahan daging dan biji buah durian menggunakan cara manual memiliki kesulitan dan kelemahan yang membuat pekerja mengalami cidera pada jari tangan dan membutuhkan waktu serta tenaga yang banyak. Penelitian ini bertujuan merancang dan membuat sistem transmisi mesin pemisah daging buah dari biji durian serta melakukan pengujian fungsi dan hasil. Metode yang dilakukan melalui observasi langsung di UMKM untuk merealisasikan mesin tersebut. Hasil yang diperoleh berupa putaran output sebesar 200 rpm dengan kapasitas mesin 3 kg. Sistem transmisi yang digunakan pada mesin adalah puli dan sabuk-v tipe B dengan sumber penggerak berupa motor listrik AC 1 HP. Hasil pengujian fungsi terhadap sistem transmisi menunjukkan bahwa setiap komponen mesin dapat berfungsi dengan baik sesuai dengan fungsi serta mampu menghasilkan putaran 200 rpm sesuai yang direncanakan. Hasil pengujian menunjukkan dengan 2 mata blade dengan waktu 30 detik menghasilkan jumlah rata – rata pemisahan sebesar 1.495 kg. Sedangkan dengan 3 mata blade dengan waktu 30 detik menghasilkan jumlah rata-rata pemisahan sebesar 1.580 kg. Jadi pengaduk dengan 3 mata blade lebih efisien untuk proses pemisahan daging buah dari biji durian.
PERANCANGAN DAN UJI FUNGSI SISTEM PEMBERSIH KANDANG SAPI TIPE PENGIKIS LANTAI MENGGUNAKAN SOROK MEKANIK Ipung Kurniawan; Pujono; Pribadi, Joko Setia; Dian Prabowo
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 2 (2024): October 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2515

Abstract

The floor scrapping method for cowshed cleaning systems has been widely applied on several modern farms today with the aim of making it easier for farmers to clean the cowshed. The mechanical design of the motor-driven scraper aims to facilitate the cowshed and save human energy. The design method uses James H. Earle method and is continued by carrying out the production process for the cowshed cleaning systems. This system works using a chain to pull the scraper so that it moves to scrape dirt on the floor by pushing it, so that work that was previously done manually can be done more easily with the help of this tool. The designed tool has dimensions of 1000 mm x 500 mm x 300 mm, while the mechanical beam design has dimensions of 700 mm x 200 mm x 3 mm. Based on the calculation results, bending stress data was obtained of 20.534 N/mm2 for the frame and 41.476 N/mm2 for the scraper. Calculation of the transmission system for the cowshed cleaning tool obtained specifications for an electric motor with a power of 0.02 HP, a pulley measuring 72.6 mm, a belt measuring 26 inches, a shaft measuring 12 mm and rolling bearings with a life of 24 years. Then, from the result of testing the frame and scraper using Solidwork software, it was found that the stress was 29.95 MPa for the frame and 67.49 MPa for the scraper. This stress value is declared safe because it is still below the permitted stress. Meanwhile, based on function testing, the most effective nozzle to use is a nozzle with an angle of 15o because it has a higher spray intensity than the others and thus has the highest cleanliness value. Based on test results, the cowshed cleaning tool obtained an average cleanliness score of 75.6 with a time of 60 seconds.
Co-Authors Agus Santoso Agus Santoso Dian Prabowo Ipung Kurniawan Joko Setia Pribadi Kurniawan, Ipung Pribadi, Joko Setia Setia Pribadi, Joko Sodikin, Jenal