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Erwanto
Universitas Bojonegoro
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Journal : Jurnal Inovasi Teknologi Terapan

 1 
Fenomena Las Gesek (Friction Welding) Dengan Variasi Waktu Gesek Pada Material AISI 1040 Dengan Kuningan Sofwan, Ibnu; Sugiyarto; Erwanto, Erwanto
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 2 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i2.45

Abstract

Friction welding is one of the metal joining methods, by utilizing the heat generated from the physical contact of two metals in the form of friction that occurs continuously on the two metals to produce a welding joint.  This research aims to find out what phenomena occur in the connection between AISI 1040 and Brass. The materials used are AISI 1040 solid cylinder with a diameter of 16 mm and brass solid cylinder with a diameter of 16 mm. This research uses experimental method. The friction time used is 6 minutes, 7 minutes, and 8 minutes with a variation of pressing distance of 3 mm, 4 mm, 5 mm with a rotating speed of 1000 rpm. The free heat process of 200 ℃ was carried out on AISI 1040 before the welding process. From the time variation and pressing distance variation that has been carried out in this study, the results obtained from the two materials do not occur. There are several phenomena seen after the welding process such as the occurrence of plastic deformation in brass and the formation of a brass thermoplastic layer attached to the surface of AISI 1040, in the time variation of 6 minutes and 7 minutes the brass thermoplastic attached to AISI 1040 is small and thin, while in the time variation of 8 minutes the brass thermoplastic layer attached to AISI is quite a lot and thick but no connection has occurred. This friction welding method is likely to connect the AISI 1040 material with brass by increasing the friction time performed.
Pengaruh Pengerolan Pelat Kondisi Dingin Terhadap Kekakuan Pelat Pada Bak Mobil Pick Up Darensyah, Marcel; Sukanto, Sukanto; Erwanto, Erwanto
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 1 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i1.47

Abstract

A pick-up car is a car that has a tub at the back that is useful for lifting goods. The body or tailgate of the car is designed to use iron plates so that the car is stronger and more durable. Vehicles are greatly affected by noise and vibration levels. The resulting vibrations come from the engine, the floor of the vehicle cabin, and the road that has an effect on the vehicle. Vibration can be reduced by increasing the stiffness. Stiffness can be increased by making grooves in the panels. The purpose of this research is to increase the natural frequency and stiffness of the plates by forming grooves in the plates. The materials used in this study were galvanic plates with plate thicknesses of 0.6 mm and 0.8 mm. The research method is demonstrated as follows: determine the dimensions of the plate, the process of making grooves, measure and analyze the natural frequency and stiffness. The length and width of the plates are 580 mm and 600 mm. The groove used is in the form of a trapezoid by means of a rolling process. The results of the grooved plate experienced a 3-fold increase in frequency compared to the flat plate.
Pengaruh Pengerolan Alur Pelat Heksagonal Terhadap Frekuensi Pribadinya Dalam Kondisi Bebas-Bebas Nurazizi Aulia, Edwira; Sukanto, Sukanto; Erwanto, Erwanto
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 2 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i2.48

Abstract

Public interest in pick-up cars as a means of transportation for transporting goods has continued to increase lately because they are considered more flexible for transporting raw materials, workshop products and agricultural products and are capable of being operated on urban and rural roads that have different road roughness, as well as in very high traffic conditions. Plate panels that must be used in pick-up vehicles need to be designed as thin as possible but have high stiffness and natural frequency so that they are more efficient in fuel use and able to withstand vibrations that occur during driving. This study aims to determine the natural frequency that occurs in the plate panel profile for vehicle bodies resulting from the cold rolling process. The galvanized steel plates used are 0.6 and 0.8 mm thick. The natural frequency test method is used with free boundary conditions, where the conditioning plate is suspended by a rope. The natural frequency test tool used is the vibroport 80 at an existential pressure of 10 grams, with the hammer hitting the centre of the panel and the sensors being positioned at 0 and 90 degrees. Based on the test results that have been carried out, the panel specimen with a thickness of 0.8 mm obtained the highest natural frequency value of 922.5 Hz, while for a plate thickness of 0.6 mm, the highest value was only 816.25 Hz. However, the two groups of specimens with plate panel thicknesses of 0.6 and 0.8 mm because of rolling experienced an average increase in natural frequency, reaching 2.3 – 2.5 times when compared to the flat plates without the rolling process. The conclusion is that as the natural frequency value increases, the plate panel stiffness also increases.
Pengaruh Variasi Waktu Gesek Pada Pengelasan Gesek (Friction Welding) Terhadap Kekuatan Impak Baja AISI 1045 Dengan Stainless Steel Pranata, Syendy; Sugiyarto, Sugiyarto; Erwanto, Erwanto
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 1 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i1.73

Abstract

The Friction Welding method is a welding method that utilizes heat energy caused by the friction of the two materials to be joined, the heat from the friction will cause the material to become semisolid or plastic. The purpose of this research was to determine the effect of variations in friction time and distance suppression carried out on impact strength and hardness tests using the Friction Welding method on AISI 1045 steel material connected to Stainless Steel 304. The method used is the Response Surface Method (RSM) to determine impact strength value of AISI 1045 steel which is connected to Stainless Steel 304 after the friction welding process is carried out. The variation used in this study is the variation of the pressure distance and friction time. The size of the impact test specimen is made according to the impact test standard, namely ASTM E23. The greatest impact test results were found in specimen number 6 with a pressing distance of 4.41 mm and a friction time of 5 minutes, namely 0.156 Joule/mm2. While the lowest impact value is found in specimen number 1 with a pressing distance of 2 mm and a friction time of 4 minutes, namely 0.038 Joule/mm2.
Analisa Kekakuan Pelat terhadap Pembentukan Dimple Dies dengan Variasi Diameter Lubang dan Jumlah Lubang Dimple Nur Kholis, M. Irfan; Erwanto, Erwanto; Aswin, Fajar
Jurnal Inovasi Teknologi Terapan Vol. 2 No. 1 (2024): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v2i1.168

Abstract

The construction of the body of minibus passenger vehicles usually uses walls, roofs and floors called vehicle panels. The vehicle panel itself is the most important part that supports safety and comfort for the occupants of the vehicle. Generally, the vehicle panel will cause a sound that makes passengers uncomfortable because of the noise that occurs due to the vibration of the vehicle engine and damaged road conditions. Excessive vibration can be reduced by increasing the rigidity of the panel by changing the shape such as beads, embossing, stiffeners, spot welded stiffenes, and grooves. The purpose of this study was to determine the effect of borehole variation and the number of dimple holes on plate stiffness for its natural frequency response. This research method is shown as follows: making experimental designs, dimple manufacturing processes, measuring and analyzing the results of dimple-shaped plates with variations in boreholes and the number of dimple holes to stiffness for their natural frequency response response. Based on the results, the number of holes on the dimple plate affects the stiffness of the plate to its natural frequency response.
Co-Authors Abdul Fattah, Muhamad Faris Abdul Rasyid Abdullah Aman Damai Abhirama, Farid Abid, M. Alwi Abimanyu, Muhammad Rakha Adipura, Anandri Indra Afiatur Rohimah Afif, Dwi Agustina Afrianti, Zulvina Agung Budiyanto Agustina, Aryanti Ahmad Salabi Alamanda, Raddien Laduni Alfriani, Try Hardianti Algaza, Haradat Tahrir Ali Abdul Wakhid Ali Husni Alya, Anggit Andika, Wahyu Andriani, Hertya Anggriani, Melda Anisyah, Anisyah Anjani, Valendia Dwi Anjarsari, Reny Antika, Dea Mela Apriliana, Anisa Dwi ARDIANSYAH ARDIANSYAH Arif Qisthon Arifin, Muhammad Deni Aris Prio Agus Santoso Ariyanto Ariyanto Asraf, Asraf Aswin, Fajar Atmaja, Dimas Surya Aviati S., Yuniar Avriyansah, Illham Bambang Sulistyo Cahyaningrum, Ika Cahyaningrum Contessa, Emilia Dakhlan, Akhmad Darensyah, Marcel Darningwati, Darningwati Darta, Yuli Devi Puspita Dian Mariska Dian Septinova Diaulhaq, Faisal Doni Ramadhan, Doni Dwinta Widya Navita Efendi, Mutiara Putri Elshifa, Aria Emilia Emilia Endang Endang, Endang Endang, Endang Eny Rahmawati FAIZ, HARUN Farida Fathul Fitria Tsani Farda Fitriyani Fitriyani Fransisca, Amaylia Fratama, Dona Hamim Sudarsono . Hanafi, Isniah Harsono, Abimanyu Hartiningsih Astuti Haruni Ode Hasiib, Etha' Aziza Hati, Diah Permata Heni Arinda Herlinda Herlinda, Herlinda Husman, Husman Ikram Yakin Ilham Ary Wahyudie Imelda, Meilita Indra Adipura, Anandri Irawan Saputra Irawan, Bayu Hadi Setya Irwansyah, Ricky Khaira Nova Khairunisa, Ni Komang Triana Khoiriya Ulfah Kholiq, Nur Kus Hendarto Kusuma Adhianto Kuswanta Futas Hidayat Laurin, Clarisa Lidyana, Ayu Liman Liman, Liman M Akbar, M M Fadillah, Febian Madi Hartono Mahendra, Dimas Malihah, Lola Mariska, Refi Maryatmi, Anastasia Sri Masrilurrahman, LL Suhirsan Megawaty, Dyah Ayu Moh. Yusuf Dawud Monika, Lidiya Muhammad Mirandy Pratama Sirat Muhtaruddin, Muhtaruddin Muhtarudi, Muhtarudi Muhtarudin Muhtarudin Nilawijaya, Rita Noer, Irmayani Nonon, Lidia Novita Lestari, Novita Nur Kholis, M. Irfan Nurazizi Aulia, Edwira Nurunnisa, Fitria Okmita, Yepi Oktriadi, Yudi Pajojang, Arifen Leihu Parjito, Parjito Pranata, Syendy Purnama Edy Santosa Putri, Dewi Annisa Putri, Kejora Asa Putu Sintya Arlinda Arsa Rahmalia, Dian Rahmawati, Laily Agustina Rahmawati, Nadhifah Ramadhani, Fath Hate Ramanda, Rio Rasty Yulia Ratna Ermawati Risal Tawil, Muhammad Riski Putra Suswanda, Gede Bima Rivai, Mahfud Rizky Amelia, Aniza Rodika Rosdiana, Yanti Rudy Sutrisna S Siswanto Safira, Auliya Salampessy, Maryam Salsabila, Asri Umniya Samsul Anam, Samsul Sanjaya, Purba Saputra, Arya Ananda Saputra, Dandi Saputra, Devrin Dwiki Sari, Andini Novita Sari, Berliana Sari, Rizka Novita Sazena, Mayang Septiana, Tri Setiawan Wibowo, Teguh Setiawan, Fani Shandra Agustin Shumaila, Shumaila Siregar, Dea Pratiwi Siti Kholifah Sofwan, Ibnu Solly Aryza Sri Suharyati Sugiyarto Sugiyarto Sugiyarto Sugiyarto Suhandi Suhandi, Suhandi Sukanto Sukanto Surmini, Surmini Suryani, Ni Kadek Susanti, Wulan Susilo, Joko Hadi Sutami, Rifqi Anwar Syah Khosi, Aghil Syahrio Tantalo Syakti, Rendi Tamara, Nina Yelly Thohir, Muhammad Bakhru Tri Astuti Handayani, Tri Astuti Ulhaq, Afifah Nida Utami, Siti Nina Sri Veithzal Rivai Zainal Veronica Wanniatie Wardana, Indra Wardhani, Amalia Wibowo, Teguh Setiawan wiryono, sukanto - Wiwik Agustina, Wiwik yayuk kustiningsih, yayuk Yudiyanto, Febri Ziladi, Kirana Jana Zulkifli Alamsyah Zuraida, Siti