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Journal : Accurate: Journal of Mechanical Engineering and Science

Pengaruh Penambahan Limbah Plastik Sebagai Alternatif Pengganti Bata Beton Dinding Rumah Prabowo, Dian; Hardini, Probo; Kurniawan, Ipung; Santoso, Agus
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 1 (2022): April 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i1.1513

Abstract

The current handling of waste, especially styrofoam, plastic, used oil is not optimal, these wastes can be used to manufacture other products such as bricks with a simple process. If the waste is processed properly, it will get good economic value. To get a good value or product, it is necessary to do research or testing, as in this study, namely the use of styrofoam waste, plastic and used oil to be used as bricks. In this study, it is hoped that the public will understand and understand the quality of the types of composite bricks and ordinary types of bricks seen from their advantages and disadvantages. Styrofoam waste, plastic and used oil are mixed into bricks with a volume of 21.27%. The equipment used in this research are chopper, stirrer, digital balance and compression test machine. In this study, the results of the III (composite) molded bricks decreased the compressive strength of 59% compared to mortar and cement bricks. The results of the compressive strength test in mold III (composite) were 47.76% higher than that in mold II on composite brick. Composite III bricks are classified as quality III, namely with solid type bricks that cannot get a large load.
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.
Pengaruh Penambahan Limbah Plastik Sebagai Alternatif Pengganti Bata Beton Dinding Rumah Prabowo, Dian; Hardini, Probo; Kurniawan, Ipung; Santoso, Agus
Accurate: Journal of Mechanical Engineering and Science Vol. 3 No. 1 (2022): April 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i1.1513

Abstract

The current handling of waste, especially styrofoam, plastic, used oil is not optimal, these wastes can be used to manufacture other products such as bricks with a simple process. If the waste is processed properly, it will get good economic value. To get a good value or product, it is necessary to do research or testing, as in this study, namely the use of styrofoam waste, plastic and used oil to be used as bricks. In this study, it is hoped that the public will understand and understand the quality of the types of composite bricks and ordinary types of bricks seen from their advantages and disadvantages. Styrofoam waste, plastic and used oil are mixed into bricks with a volume of 21.27%. The equipment used in this research are chopper, stirrer, digital balance and compression test machine. In this study, the results of the III (composite) molded bricks decreased the compressive strength of 59% compared to mortar and cement bricks. The results of the compressive strength test in mold III (composite) were 47.76% higher than that in mold II on composite brick. Composite III bricks are classified as quality III, namely with solid type bricks that cannot get a large load.
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.