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OPTIMALISASI PERAWATAN MESIN GILINGAN DENGAN PENDEKATAN RELIABILITY CENTERED MAINTENANCE (RCM) II DI PG KREBET BARU I MALANG Yazim, Rahmat; Novareza, Oyong
Jurnal Rekayasa dan Manajemen Sistem Industri Vol. 13 No. 8 (2025):
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Brawijaya

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Abstract

Jika membutuhkan abstrak atau isi jurnal silahkan menghubungi author melalui e-mail rahmatyazim1086@gmail.com atau novareza15@ub.ac.id   Dipublikasikan tanggal: 30 Juli 2025
IDENTIFIKASI KESENJANGAN ANTARA STANDAR GOOD MANUFACTURING PRACTICES (GMP) DAN WORK IMPROVEMENT IN SMALL ENTERPRISE (WISE) DENGAN PRAKTIK PRODUKSI KOPI BUBUK DI UMKM HANUMBARA COFFEE Adila, Zantia Philar; Novareza, Oyong
Jurnal Rekayasa dan Manajemen Sistem Industri Vol. 13 No. 8 (2025):
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Jika membutuhkan abstrak atau isi jurnal silahkan menghubungi author melalui adila.pillar@gmail.com atau novareza15@ub.ac.id Dipublikasikan tanggal: 1 September 2025
OPTIMIZATION OF VARIABEL HELIX ANGLE PARAMETERS IN CNC MILLING OF CHATTER AND SURFACE ROUGHNES USING TAGUCHI METHOD Hardinsi, Festo Andre; Novareza, Oyong; Sonief, Achmad As’ad
JEMIS (Journal of Engineering & Management in Industrial System) Vol. 9 No. 1 (2021)
Publisher : Industrial Engineering Department, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis/2021.09.01.3

Abstract

In the manufacturing industries, the main problem in process of operating CNC milling machine was chatter effect (self-excited vibration) which increases the quality of the surface roughness. In this study is to determine optimal value of parameters for chatter and surface roughness. The chatter measured using accelerometer MPU-6050 with Arduino by software LabVIEW-2019 based on peaks-FFT value and the surface roughness measured by SJ-301 tester. The research parameters like variable helix angle, spindle speed, feed rate, and depth of cut using stainless steel 304 by Taguchi method. The optimum parameters value obtained are variable helix 35/38 degrees, spindle speed 3000 RPM, feed rate 150 mm/min and depth of cut 0.4 mm. Based on ANOVA value, the variable helix angle and depth of cut are found to be significant for chatter and surface roughness. The depth of cut was high contribution by ANOVA chatter by 93.84% and surface roughness by 91.93%.
TAGUCHI EXPERIMENTAL DESIGN FOR ROASTING PARAMETER TO IMPROVE COFFEE POWDER QUALITY Putro, Wisnu Wijayanto; Oktavianty, Oke; Novareza, Oyong; Swara, Suluh Elman; Rachmansyah, Ihram; Ningrum, Nur Afia Tri
JEMIS (Journal of Engineering & Management in Industrial System) Vol. 12 No. 1 (2024)
Publisher : Industrial Engineering Department, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

Quality improvement is important to reach customer satisfaction and gain the competitive advantage. This research was using the Taguchi experiment design to obtain a combination of roasting parameters, which could in turn improve the quality of coffee powder. During the roasting process, the acids that were naturally contained in coffee beans were transformed into acetic acid, malic acid, citric acid, and phosphoric acid, which in turn contributed to the coffee’s actual taste. Several key factors contributed to the taste of coffee powders, namely roasting temperature, roasting time, the weight per roasting, and cooling time. The significance factor to improve quality of Robusta coffee powder namely roasting temperature on 185 °C, roasting time in 20 minutes, weight per roasting is 7.5 kilograms and cooling time is 10 minutes. The organoleptic tests of the resulting coffee powders showed an average of 4.93 with regards to consumer rating. The experiment result revealed the optimal setting level that should be applied in the production process of coffee powders for gaining better quality and thus more favourable to consumers.
Co-Authors Abriani, Dea Prilia Achmad As’ad Sonief Adila, Zantia Philar Adjie, Bayu Purwo Adrian, Philip Afifatullaili, Saptarina Nur Afinda, Tatri Fajar Agustina Eunike Agustinus Michael Hartanto Ahmad Taufiq Nashrul Huda Alvin Muhammad ‘Ainul Yaqin Amalia, Meidina Rizky Amanda Safiranisa Ambarwati, Herna Kartika Amelia, Mauli Rizki Andari, Sinta Dahlia Andreas, Andreas Anggi Prasetyanti Bramantia, Anggi Prasetyanti Annisa Carina, Annisa Anwar, Saiful Arif Rahman Arif Rohman Syamsiar, Arif Rohman Arina Isabela Cahyani Attariq Hafidz Ramadhani Aulia, Iqlima Tristy Aulia, Ratri Sinatrya Azlia, Wifqi Azmi, Ahmad Ulul Bagus Prasetyo Basuki, Revardy Al Risyad Budi Santoso, Purnomo Bunga Erisa Deni Ceria Farela Mada Tantrika Chaira, Nurul Umi Chamzie, Muhammad Andika Fahrie Charel, Nicolas Leo Dores Charina, Asfrida Chindy Elsanna Revadi Chindy Elsanna Revadi, Chindy Elsanna Cindy Revitasari, Cindy Danny Prasetya Hartono, Danny Prasetya Darmadi, Djarot Bangun Dasrul, Alvin Rizki Debrina Puspita Andriani Denna, Maria Desi, Monica Natalia Dewi Hardiningtyas Dian Sukoco, Allen Denisyola Diar Nuru Dini, Diar Nuru Dirgantara, Gatut Divara, Arnez Morenno Driyantoro, Mohamad Afif Dwi Hadi Sulistyarini Dwi Sulistyarini, Dwi Erliya Yunita, Erliya Erza Rizky Fathony, Erza Rizky Evana, Nadya Evi Yuliawati Faisal Rahman, Faisal Fanani, Angga Akbar Faturrahman, Anandito Muhammad Festo Andre Hardinsi Firsada, M. Ivan Firta, Daniar Fitria Rumbay, Fitria Fitriani, Dewi Widihandari Gestano Rio Hutama Putera Gita, Sherenia Yuanggra Gunari, Sinar Pratama Gurning, Cicilia Apriana Gustafianto, Ghufron Habriantama, Mahendra Haidar Luthfi Syaifudin, Haidar Luthfi Hapsari, Amalia Kurnia Hardinsi, Festo Andre Hazim, Satria Achmad Hendrastati, Chintya Pralampita Hidayat, Ario Prakoso Hidayatullah, M. Afif Hilmy, Raihan Husaini , Fachri Husnita, Amanda Ihram Rachmansyah, Ihram Ihwan Hamdala Ishardita Pambudi Tama Iswara, Fanda Eka Predia Ivandiaz, Ivandiaz Ivo Dewi Anggraini, Ivo Dewi Izzaturoby, Muhammad Hawary Jamhari, Mohammad Ikhwan Janah, Anisa Nuril Jingga, Senja Sang Kesuma Putri, Indah Ariesanti Khoufi As, Faisol Kurniawan, Herlangga Kurniawan, Roby Lalu Tri Wijaya Nata Kusuma Lilis Yuliati Lodimeda Kini Mafaza, Salsabila Indana Mahaputri, Alfa Izma Mahesa, Krisna Angger Martin, Samuel Marudut Sirait Maulana Abdul Hafish, Maulana Abdul Maulida, Nasti Meilitasari, Saftyanti Ayu Mirsha Ulfatul Haqni, Mirsha Ulfatul Mochamad Choiri Mochamad Triatmoko Alih Suryana, Mochamad Triatmoko Alih Mohamad Izmet, Mohamad Mohamad, Effendi Bin Muhammad Putra Nurdiansyah Muhammad, Rizky Nabila, Asyfa Nahara, Tara Aldania Nasir Widha Setyanto Nehemia Hendry Setiawan, Nehemia Hendry Niken Trisnawati Niken Trisnawati, Niken Nindya Sari Hardyani, Nindya Sari Ningrum, Nur Afia Tri Nirmalasari, Petty Chynthya Nur'aini, Shintya Dwi Nur, Bastian Zamroni Nurhuda, Dwi Septa Oke Oktavianty Oktavianty, Oke Pamungkas, Catur Satrio Pamungkas, Syah Rizal Pangesti, Rahayu Eka Pasca Maulida Nur Rahma, Pasca Maulida Nur Pradikta, Bryan Reyvendra Prakoso, Teddy Aditya Prastuti, Nugky Dyah Pratama, Septiawan Pambudi Pratikto, Pratikto Pratiwi, Sindi Eka Pribadi, Dhimas Tegar Pangukuhing Puji Wahyuning Wibowo, Puji Wahyuning Purnami Purnami Purnomo Budi Santoso Purnomo, Nabilla Fitra Purwa, Haby Puspitasari, Mita Puspo Rini, Dena Lukmala Dewi Putra, Satya Gyte Aldina Putri Wahyuning Jati, Putri Wahyuning Putri, Meisya Tiara Putro, Wisnu Wijayanto Putro, Wisnu Wijayanto Rachmansyah, Ihram Rahman, Arif Rahmatullah, Madani Rahmawati, Siti Rahmi Yuniarti Rakhmat Himawan Ramadhan, Zulfikar Muhammad Rasyidah Arifi, Rasyidah Ratih Ardia Sari Ratih Utaminingtyas Remba Yanuar Efranto Rio Prasetyo Lukodono Riyandhanu, Muhammad Rizaldi, Nizar Prama Rochmana, Siswanto Indra Rochmana, Siswanto Indra Ryan Fardian, Ryan Sakinah, Nurus Sanjaya, Roy Sarah Fatiyah Sari, Etania Desy Anjar Sentosa, Bryan Febby Septian Rizky Hidayat, Septian Rizky Sherenia Yuanggra Gita Sherva Rafsanjani, Sherva Shodiq Handoko, Shodiq Sidabutar, Sofan Mardiri Singarimbun, Cesilia Putri Sirait, Reinhard Sonief, Achmad As’ad Sonief, Achmad As’ad Sri Widiyawati Sri Widiyawati Sugiatno, Aprillis Nindy Sugiono Sugiono Sugiono Sugiono Sugiono, Sugiono Sulistijo, Apta Hadyan Suluh Elman Swara Tantri Dwi Wulandari, Tantri Dwi Thirafi, Ahmad Audrey Tuhfah, Riesa Aliya Udin, Misbach Utami, Widya Rahayu Utari, Selli Tri Valencya Leany Haryanto Verly Ardhi Andarta, Verly Ardhi Vindy Triana Putri Wardani, Anggraini Wisnu Wardhani, Angelia Kusuma Wardhani, Angelia Kusuma Waro, Nazilatul Azmil Wicaksono, Adib Wicaksono, Rhesa Haryo Wiradmoko, Randy Wishnu Raynar, Wishnu Yazim, Rahmat Young, Michael Zefry Darmawan Zefry Darmawan