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Feriadi, Indra
Politeknik Manufaktur Negeri Bangka Belitung
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PENERAPAN METODE ROOT CAUSE FAILURE ANALYSIS DAN PENGUJIAN PADA PERBAIKAN QUICK TOOL CHANGE SYSTEM DI MESIN FEHLMANN P18s Feriadi, Indra; Ariyanto, Ariyanto; Daffa, Muhammad; Arwansyah , Rifki
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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This study aims to analyze and repair damage to the Fehlmann P18s milling machine No. 04 used in the Mechanical Laboratory of Polman Babel. The machine was inoperable due to electrical system failure and a malfunction in the Quick Tool Change System (QTCS). A Root Cause Failure Analysis (RCFA) method using the 5 Why analysis was applied to identify the root causes. The investigation revealed failures in electrical components such as contactors, selector switches, push buttons, fuses, capacitors, and diodes caused by unstable current. Furthermore, the QTCS could not clamp the tool holder properly due to corrosion on spindle components, bearings, and housing. The repair process involved replacing and cleaning damaged parts, followed by re-testing including geometric and functional tests. The testing showed that the machine was successfully restored to its operational state and complied with geometric precision standards. As a preventive measure, a time-based preventive maintenance plan was developed for both the electrical system and the QTCS to avoid recurring failures. This project proves that the RCFA method is effective in analyzing machine issues systematically and comprehensively.
PENGGUNAAN METODE RCFA UNTUK MEMPERBAIKI KERUSAKAN SISTEM KELISTRIKAN MOTOR UTAMA MESIN FRAIS ACIERA F3 Mustaqim, Mustaqim; Septiarditian, Septiarditian; Feriadi, Indra; Rivai, Muhammad; Aswin, Fajar
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Damage to the electrical system of the Aciera F3 milling machine caused the main motor to fail to operate, disrupting practical activities at the Bangka Belitung State Manufacturing Polytechnic. This study aims to identify the root cause of the failure and carry out repairs using the Root Cause Failure Analysis (RCFA) approach with the 5 Why technique. The research stages include data collection through technician interviews, visual inspections, and functional testing of the electrical system. The analysis revealed that the damage resulted from a short circuit in the C2 contactor, caused by component aging and the absence of routine inspections. Corrective action was taken by replacing the damaged contactor and auxiliary contact components. As a preventive measure, an electrical inspection checklist was developed to support scheduled maintenance. Post-repair testing showed that the electrical system functioned normally and the machine could operate according to standard specifications. The application of the RCFA method proved effective in resolving the problem comprehensively and laying the foundation for a reliability-based maintenance system.
IDENTIFIKASI DAN PERBAIKAN KERUSAKAN MESIN BUBUT AJAX MELALUI METODE ANALISIS AKAR MASALAH Rosanova, Fariez Rosanova; Riduan, Muhammad; Feriadi, Indra; Tuparjono, Tuparjono
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Lathe transverse slide jamming can disrupt the machining process and reduce the quality of work results, on the Ajax 200 E lathe used, damage was found such as a jammed cross slide through the Root Cause Failure Analysis (RFCA) approach and the 5 Why’s method, finishing that the main cause of damage was that the Cross Screw was bent which caused the slide movement to become jerky. After straightening the Cross Screw, the problem was resolved. Observations showed that the slide movement returned to normal. This study emphasizes the importance of technical documentation and work procedures in preventing further damage.
ANALISIS KERUSAKAN DAN PERBAIKAN ERETAN MELINTANG PADA MESIN BUBUT MAWITEC MENGGUNAKAN METODE RCFA Revando, Dheo; Yudistira, Bintang; Rivai, Muhammad; Feriadi, Indra
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Jamming on the lathe machine’s cross slide can disrupt the machining process and reduce the quality of the work result. On the MAWItec BU16 lathe machine used in the Mechanical Engineering Laboratory of Politeknik Manufaktur Negeri Bangka Belitung, a malfunction was found in the form of a jammed cross slide. Through the Root Cause Failure Analysis (RCFA) approach and the 5 Whys method, it was identified that the main cause of the failure was the incorrect installation of the nut screw, which led to friction with the cable pipe. After disassembly and repositioning of the component properly, along with the development of assembly SOPs, the issue was successfully resolved. Evaluation showed that the cross slide movement returned to normal. This study highlights the importance of technical documentation and work procedures in preventing similar failures.
REKONDISI HEAD MESIN FRAIS FEHLMANN PICOMAX 20 DI LABORATORIUM TEKNIK MESIN POLITEKNIK MANUFAKTUR NEGERI BANGKA BELITUNG Bindara, Bindara; Muhamad, Muhamad; Masdani, Masdani; Feriadi, Indra
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

This study aims to perform a reconditioning of the Fehlmann Picomax 20 milling machine head in the Mechanical Engineering Laboratory of the Bangka Belitung State Polytechnic of Manufacturing. The main damage to the machine head was caused by the accumulation of swarf and frozen grease in the gear and machine column sections. The reconditioning process includes data collection, problem identification, root cause failure analysis using the Root Cause Failure Analysis (RCFA) and 5-Why Analysis methods, repair planning, the repair process, and testing after the repair has been carried out. The test results show that the machine head has been able to function again according to its specifications, including in functional testing, machine performance testing, and column straightness testing. In addition, preventive maintenance has been designed to prevent similar damage from recurring in the future. This project is expected to improve the effectiveness of student learning and extend the operational life of the machine.
PENGGUNAAN METODE LIMA MENGAPA UNTUK MENGIDENTIFIKASI AKAR PENYEBAB CACAT PERMUKAAN BENDA KERJA PROSES PEMESINAN GERINDA DATAR: STUDI KASUS Izdihar Hirzani; Arya Danutirta; Feriadi, Indra; Yudo, Eko
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 4 (2024): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Surface defects of the workpiece and the emergence of sparks that suddenly enlarge during the flat grinding process cause a decrease in product quality and create unsafe working conditions. This study aims to identify the causes of surface defects of the workpiece on a flat grinding machine in the Polmanbabel advanced machining laboratory. Identification of the cause of damage using the five why analysis method. The study was preceded by defining the problem and then asking the question "why" to the problem and for each answer given approximately five times. To help answer each "why" question, an analysis of the system's working mechanism and a physical examination of the parts or components connected to the Wheelhead were carried out. The results of the study found that the root cause of the occurrence of defects on the surface of the workpiece and the phenomenon of sparks that sometimes enlarge suddenly and during the grinding process of the flat grinding machine was the destruction of the rubber components of the motor and spindle clutch. This case study also proves that the five’s why method can effectively identify the root cause of damage to the flat grinding machine.
PERANCANGAN PEMELIHARAAN POMPA AIR DI KAMPUS POLMAN BABEL MENGGUNAKAN METODE CONDITION-BASED MONITORING Iwan Putra, Nadi; Pramono, Edi; Feriadi, Indra; Rivai, Muhammad
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 4 (2024): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Every time a water pump breaks down on the Polmanbabel Campus, it disrupts the smooth operation and service to employees and students. This project aims to design pump maintenance on the Polmanbabel campus using a condition-based monitoring (CBM) method. The project implementation method is carried out by identifying equipment, selecting condition parameters to be monitored, designing monitoring cards, and testing. The test results show that the monitored pump condition parameters consist of temperature, vibration, pressure, monitoring card instruments can be applied effectively to monitor pump operating conditions.
Pengaruh Bentuk Sirip Straight Angled dan Right Angled Pada Alat Pengering Lada Tipe Rotary Dryer Berbahan Bakar Biomassa Terhadap Parameter Proses Pengeringan Khafizam, Syahrul; Syahaji Watama; Feriadi, Indra; Ramdhani, Dedy
Jurnal Indonesia Sosial Teknologi Vol. 3 No. 02 (2022): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1208.734 KB) | DOI: 10.59141/jist.v3i02.343

Abstract

Proses pengeringan lada yang dilakukan petani sekarang masih banyak menggunakan cara tradisional seperti memanfaatkan sinar matahari. Proses pengeringan lada yang masih tradisional dan alami dilakukan dengan cara dijemur di halaman, di area tanah yang luas, dan dipinggir jalan. Iklim dan cuaca juga berpengaruh dalam proses pengeringan tersebut, dikarenakan apabila sudah memasuki iklim hujan dan cuaca mendung maka proses pengeringan lada membutuhkan waktu yang cukup lama. Untuk mengatasi masalah tersebut maka digunakanlah teknologi mesin pengering berputar (rotary dryer) untuk melakukan proses pengeringan lada. Mesin ini merupakan suatu alat pengering berbentuk drum yang berputar. Prinsip kerja dari alat pengering tipe rotary dryer secara umum merupakan alat pengering yang berbentuk sebuah drum yang berputar secara kontinyu yang dipanaskan dengan tungku. Pengeringan pada rotary dryer dilakukan berkali-kali sehingga tidak hanya permukaan atas yang mengalami proses pengeringan, namun juga pada seluruh bagian secara bergantian, sehingga pengeringan yang dilakukan oleh alat ini lebih merata dan lebih banyak mengalami penyusutan serta mempercepat waktu pengeringan.Invalid source specified. Penelitian ini bertujuan untuk mengetahui besar kontribusi dari kecepatan, suhu, dan waktu terhadap hasil pengeringan dan mengetahui pengaruh variasi sirip pada sistem pengeringan. Peneletian ini menggunakan metode eksperimen langsung. Setiap hasil pengujian lada memiliki kadar air yang berbeda. Kadar air yang sesuai dengan SNI mutu lada putih yang telah ditentukan terdapat pada variasi waktu pengeringan 75-90 menit dengan suhu 55℃-60℃.Sedangkan, kadar air tertinggi atau tidak sesuai dengan standar mutu terdapat pada variasi waktu pengeringan 60-90 menit pada suhu 45℃-55℃ dan pada waktu pengeringan 60 menit pada suhu 55℃-60℃. Waktu dan suhu proses pengeringan sangat berpengaruh pada laju pengeringan lada putih. Laju pengeringan tertinggi terjadi pada waktu 60 menit dengan suhu pengeringan 45℃-50℃ dengan menghasilkan perpindahan massa uap air sebesar 5 g/m.
Co-Authors Abu Husain, Nurul Akmar Akmar Adhe Anggry Adi Saputra Aldo Welihardo Ariyanto Ariyanto Arwansyah , Rifki Arya Danutirta Aswin, Fajar Bambang Supriyo, Bambang Bindara, Bindara Daffa, Muhammad Dedy Ramdhani Harahap Dwipa Prasetiansyah Edi Pramono Eko Yudo Hafizh Al Karim Harwadi, Harwadi Hasdiansah, Hasdiansah Ichchan Adjury Essarofy Iwan Putra, Nadi Izdihar Hirzani Jeni Amriansyah Khafizam, Syahrul M Iqbal Nugraha M Rivai M Riva’i Mansyah, Subhan Benazir Masdani, Masdani Mei Adi Saputra Adi Muhamad Muhamad Muhammad Faris Agustiansyah Faris Muhammad Rezeki Siti Mariam Muhammad Riduan, Muhammad Muhammad Rivai Mustaqim Mustaqim, Mustaqim Nabawi Imron Noermala atika sari Tika Nurizka, Zalsyafina Octadiansyah, Zacki Pranata, Yogi Pristiansyah, Pristiansyah Putra, Dika Septayama Putra, Nadi Iwan Ramdhani, Dedy Revando, Dheo Reynaldi Pratama Robert Napitupulu Rodika Rosanova, Fariez Rosanova Sateria, Angga Septiarditian, Septiarditian Sugeng Ariyono, Sugeng Sugianto Sugianto Sukarman Sukarman Suzen, Zaldy Sirwansyah Syahaji Watama Tuparjono . Yudistira, Bintang Yuliyanto Yuliyanto Zaldy Kurniawan Zanu Saputra