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Journal : Jurnal Dinamis

ANALISIS RELIABILITY DAN AVAILABILITY MESIN PABRIK KELAPA SAWIT PT. PERKEBUNAN NUSANTARA 3 Yuhelson Yuhelson; Bustami Syam; Sukaria Sinullingga; Ikhwansyah Isranuri
Jurnal Dinamis No 6 (2010)
Publisher : Jurnal Dinamis

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Abstract

AbstractThis study presents a case study describing reliability and availability analysis of CriticalMachine at the Rambutan Palm Oil Factory of PTP Nusantara 3. The failures data ofengineering system were analyzed by Pareto’s Diagram, and the critical machine was foundedis Screw Press. Screw Press is consist of seven critical subsystems i.e: Left & Right HandedWorm, Bushing, Press Cylinder, Rebuild Worm, Bearing SKF 29326, Left Handed Shaft, andRight Handed Shaft. The analysis has been done for each subsystem by computing thecharacteristic of the maintenance system i.e: reliability, failure rate, mean time between failure,availability, failure cost, preventive cost, and replacement interval time. Furthermore it can becreate the optimum scheduling of preventive maintenance. Based on analysis of reliability,availability, failure rate, production lost cost, and maintenance cost, obtained the replacementinterval time of subsystems i.e: Left & Right Handed Worm = 76 days, Bushing = 76 day , PressCylinder = 95 days, Rebuild Worm = 95 days, Bearing SKF 29326 = 228 days, Left HandedShaft =114 days, and Right Handed Shaft = 76 days. The optimum maintenance schedulingwas modified based on replacement interval time of subsystem. Analysis of the new schedulingshows that the reliability of Screw Press(1) can be improve from 0.4207 to 0,8259, ScrewPress(2) from 0,4024 to 0,8259, Screw Press(3) from 0,4504 to 0,8259, and Screw Press(4)from 0,4204 to 0,8259 respectively. The availability of Screw Press(1) improved from 0,8564 to0,9524, Screw Press(2) from 0,9201, to 0,9524, Screw Press(3) from 0,8585 to 0,9524, andScrew Press(4) from 0,875 to 0,9524. The probability of failure frequency of Screw Press (1) isreduced from 37 to 19, Screw Press (2) from 23 to 19, Screw Press(3) from 25 to 19, and ScrewPress(4) from 23 to 19. This study shows that the reliability and availability analysis is veryuseful for deciding maintenance intervals, planning and organizing maintenance.Keywords: Reliabilit; Availabilit; Crew pres, Scheduling.
Co-Authors . Maryano Abdul Rahmat Achmad Darodjat, Tubagus Akkapin , Suppaphorn Akkapin, Supaphorn Al, Bintang Aldi, Jupri Aldo Pratama Amry Aliya Sandra Dewi Ambri Ambri Andi Sunarti Anindya Shamara Arminawan Anriz Nazaruddin Halim Arbi, Imam Ardian Prasetyo , Dedy Arief Wibiesono Atmaja, Dhody Ar Bambang Utoyo Basuki Basuki Bernard Bernard, Bernard Bernard Nainggolan Bernard Nainggolan, Bernard Berutu, Jundri R. Bustami Syam Cicilia Julyani Tondy Cicilia Julyani Tondy Cicilia Julyani Tondy Cicilia Julyani Tondy Cicilia Julyani Tondy Cynthia Kendati Darodjat, Tubagus Achmad Dedy Ardian Prasetyo Dodi Sugianto Erny Kencanawati Erny Kencanawati Erny Kencanawati Erny Kencanawati Esther Indah Pricilia Permatasari Sihombing Farel Ulrich Pardomuan Butarbutar Fauzie Yusuf Hasibuan Felicitas Sri Marniati Felicitas Sri Marniati Fensky Readel Sumandag Fernedy Fernedy Fiver, Ramjahif Pahisa Gorya Franciska, Wira Gunawan, Asep Hadi Hakim, Nur Halim, Anriz N. Halim, Anriz Nazaruddin Hara Dongan Simamora Hara Dongan Simamora Hedwig Adianto Mau Hutomo, Putra I Wayan Karya Ikhwansyah Isranuri Ilhaam Aditio Indra Hasan Januar Agung Saputera Japri Japri, Japri Jelly Nasseri Joko Sriwidodo Julyani Tondy, Cicilia Kencanawati, Erny Kendati, Cynthia Khalimi Khalimi Legisnal Hakim Lilik Mulyadi Lina Sinaulan, Ramlani M. Yogi Riyantama Isjoni Madeline Vanessa Audrey Marni Emmy Mustafa Marniati, Felicitas Sri Maryano, . Maryano, Maryano Mochamad Rafly Yudhaprawira Mohamad - Ismed Monica Yuniartha Naibaho Muhammad Iredenta Tania Muhammad Rizky Muzzaki Muhammad Yudistira Nainggolan, Bernand Nanda Dwi Rizkia Nanda Dwi Rizkia naryo, sunaryo Nathalia, Tan Nazaruddin Halim, Anriz Nofiyanti, Dwi Noviana Indah Permata Fani Setiadi Nur Hakim Nurhakim Nurhakim Nurhayati, Sitaresmi nurmajid, yazid Nursamsiah, Ely Perdana, Andhika Putera Poppy Poppy Pujiono Pranowo, Yusuf Prasetyo, Heny Prihartonoa, Eric Prijanto, Prijanto Puji, Ari Andriyas Puti Dwi Jayanti Putra Hutomo Putra Hutomo Putri Rosmala Dewi Putri, Andi Wika Radif Khotamir Rusli RAHMAT SETIAWAN Ramjahif Pahisa Gorya Fiver Ramlani Lina S Ramlani Lina S Ramlani Lina Sinaulan Ramos Rialdo Raysisca Elvide Rhika Purwaningsi Riki Rustandi Rinaldi Rizki Ridha Syamza Rulman Ignatius Rongkonusa Rustandi, Riki Ryo Guntur Triatmoko Sabila, Zulfia Salee , Atchara Sinaulan, Ramlani Lina Sri Mulyani Suasungnern, Sineerat Sudirman Sudirman Sukaria Sinullingga Sumual, Calvin Ulri Rompas Sunaryo Sunaryo Syahputra, Yudha Syamsiar, Syamsiar Syarief, Vidi Galenso Tania, Muhammad Iredenta Tofik Yanuar Chandra Tondy, Cicilia Julyani Triatmoko, Ryo Guntur Triatmoko, Ryo Thunder Undrizon, Undrizon Wahyuny, Dian Weminto Suryadi White, Alan Robert Wongso, Sinta Yedija, Ignwer Toynbee Yohanes Yohanes Yohanes Yohanes Yoshi Erlina, Yoshi Yudha Pangesti, Wahyu Sandhya Yudistira, Muhammad Yuherman Yuherman Yuherman Yusticia wicaksono Zulfia Sabila