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All Journal SPEKTRUM INDUSTRI TEKMAPRO Journal of Industrial Engineering and Management Jurnal Teknologi JURNAL PENGABDIAN KEPADA MASYARAKAT Buana Ilmu Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Journal of Applied Sciences and Advanced Technology Industry Xplore Jurnal Teknik Mesin Mechanical Xplore Jurnal Buana Pengabdian Jurnal Polimesin
Nana Rahdiana
Universitas Buana Perjuangan Karawang
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Journal : Jurnal Teknologi

 1 
ANALISIS PENGARUH RADIUS DIES TERHADAP SPRINGBACK LOGAM LEMBARAN STAINLESS-STEEL PADA PROSES BENDING HIDROLIK V-DIE Sukarman Sukarman; Choirul Anwar; Nana Rahdiana; Khoirudin Khoirudin; Anwar Ilmar Ramadhan
Jurnal Teknologi Vol 12, No 2 (2020): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.12.2.123-132

Abstract

Proses bending merupakan salah satu proses pembentukan material (metal forming) banyak digunakan di proses manufaktur. Penggunaan radius dies bending dan penyetingan sudut bending yang tidak tepat akan berdampak  pada terjadinya kegagalan material dan dimensi.  Penelitian ini menggunakan ekperimental dengan menggunakan material Stainless-Steel (SUS 304) dengan tebal 1.0 mm yang memenuhi standar ASTM A-240. Penelitian ini dilakukan dengan menggunakan parameter sudut bending 90o, yang divariasikan pada radius dies sebesar 1.0 mm dan 1.3 mm. Analisis pengaruh springback telah dilakukan dengan mengatur sudut bending secara hitungan teoritis dan membandingkanya dengan pengaturan sudut aktual. Proses selanjutnya dilakukan analisis dan evaluasi untuk mencapai sudut standar   . Proses bending yang menggunakan sudut bending 93o45” dan 92o30” berturut-turut menghasilkan nilai springback sebesar 0.98 dan 0.97. Sudut benda kerja yang dihasilkan  pada saat  penyetingan sudut  bending 92o30” dan 93o45” berturut-turut adalah 91o30” dan 90O.  Dari data ini didapatkan bahwa proses bending menggukan sudut 92o,30” mendapatkan hasil yang lebih presisi dibandingkan dengan sudut bending teoritis 93o45”.
ANALISIS FENOMENA SPRING-BACK/SPRING-GO FACTOR PADA LEMBARAN BAJA KARBON RENDAH MENGGUNAKAN PENDEKATAN EKSPERIMENTAL Khoirudin Khoirudin; Sukarman Sukarman; Nana Rahdiana; Ahmad Fauzi
Jurnal Teknologi Vol 14, No 1 (2022): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.14.1.27-38

Abstract

Bending angle accuracy is the primary output variable that should achieve in the V-bending   process. The spring-back/spring-go factor is one of the essential variables that affect the accuracy of the bending angle. This study uses the Taguchi experimental method using four input parameters and multiple practical levels. The input parameters used in this research are V-die  opening, punch angle (punch angel), punch speed (punch speed) and bending force. The V-die  opening used two experimental levels at the practical level, while the other three parameters used three functional groups. This work selected SPCC-SD low carbon steel material with a material thickness of 0.8 mm in this study. The results of the ANOVA analysis showed that the punch angle is the main factor that affects the spring-back/spring-go factor, with the highest contribution of 76.15%. This condition is also following the results of the S/N ratio analysis, where the punch angle parameter has a delta of 0.125, followed by the punch speed, V-die  opening, and bending force. These parameters have a delta value of 0.026, 0.022, and 0.009, respectively.
Co-Authors Abduh Al Afghani Abdurahman Ade Astuti Ade Suhara Afif Hakim Ahmad Fauzi Ahmad Hidayat Amir Amir Andryan Rizky Zahran Annisa Indah Pratiwi Anwar Ilmar Ramadhan Ardana Putri Farahdiansari Ari Kusumawardani Choirul Anwar Dodi Mulyadi Falahal Majid Fathan Mubina Dewadi Istianto Budhi Rahardja Khoirudin Khoirudin Khoirudin Mohamad Rizkiyanto Murtalim Safril Sani Suhardiman setiawan, Dibyo Shieddique, Apang Djafar Siswanto Siswanto Sukarman Sukarman Sukarman Sukarman Sukarman Sumanto Tito Chaerul Pratama