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Wahyudi Rahmat
Universitas PGRI Sumatera Barat
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Journal : Transmisi

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Analisis Perbandingan Nilai Suaian Mounting Main Pin pada Bucket Hitachi EX3600 BU0052 Sadat N S Sidabutar; Budha Maryanti; Rahmat Tri Wahyudi
TRANSMISI Vol 17, No 2 (2021): September 2021
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v17i2.6571

Abstract

ABSTRACTMounting the main pin on the HITACHI EX3600 bucket is one of the components of the bucket that supports unit work in mining production at PT. THIESS, material wear is one of the problems encountered considering the mounting main pin is used as a place to place the bushing which minimizes friction between the mounting main pin and the bucket pin. Giving an adjusted value to the mounting hole of the main pin is one of the more concerns in order to reduce maintenance costs and repair costs in order to increase the company's profit value. This research was conducted at PT. THIESS, Balikpapan Support Facilities which will be implemented in a period of approximately 3 months. This study uses data collection techniques including: literature study, observation, interviews, and documentation. The independent variables in this study are the number of samples as much as 1 main pin mounting hole (9 measurement points), the dependent variable is the comparison of the effect of the adjustment value on the efficiency of repair costs, and the control variable is measuring the percentage of wear and tear with an adjustment limit of -0.15mm. from the outer diameter of the bushing of 200.34 mm – 200.39 mm. Based on the measurement data and calculation results on the efficiency of repair costs, it shows results of 0.08% and can save repair budget costs up to $ 2,157.20. Thus, the comparison of the adjustment value that is still within the size tolerance limit will be able to save repair costs of $ 2,157.20 compared to the custom value that has passed the size tolerance limit above 200.20 mm. The highest percentage of wear occurs at points A1I.b worth 47% and the lowest percentage of wear occurs at points A1I.a, A1III.a, A1III.b, A1III.c with a value of 27%. Meanwhile, the highest wear rate occurs at points A1I.a and A1I.b with a wear rate value of 0.0000448934 mm/hour and the smallest wear rate occurs at points A1III.a A1III.b with a wear rate value of 0.000016835 mm/hour.           Keywords : mounting main pin, wear rate, efficiency.  ABSTRAKMounting main pin pada bucket HITACHI EX3600 merupakan salah satu komponen bucket yang mendukung kerja unit dalam produksi pertambangan di PT. THIESS, keausan material menjadi salah satu problem yang ditemui mengingat mounting main pin digunakan sebagai tempat peletakan bushing yang meminimalisir gesekan antara mounting main pin dengan pin bucket. Pemberian nilai suaian pada lubang mounting main pin menjadi salah satu perhatian lebih agar dapat menekan  biaya perawatan maupun biaya perbaikan guna meningkatkan nilai profit perusahaan. Penelitian ini dilakukan di PT. THIESS, Balikpapan Support Facilities yang dilaksanakan dalam kurun waktu kurang lebih selama 3 bulan. Penelitian ini menggunakan teknik pengumpulan data diantaranya: studi literatur, observasi, interview, dan dokumentasi. Adapun variabel bebas pada penelitian ini adalah jumlah sampel sebanyak 1 lubang mounting main pin (9 titik pengukuran), variabel terikat perbandingan pengaruh besar nilai suaian terhadap efisiensi repair cost, dan variabel kontrol pengukuran persentase keausan dan laju keausan dengan limit suaian sebesar -0,15mm dari diameter luar bushing sebesar 200,34 mm – 200,39 mm. Berdasarkan data pengukuran dan hasil perhitungan pada efisiensi biaya perbaikan menunjukkan hasil sebesar 0,08% dan dapat menghemat biaya anggaran perbaikan hingga $2,157.20. Dengan demikian, perbandingan nilai suaian yang masih berada dalam limit toleransi ukuran akan dapat menghemat biaya perbaikan sebesar $2,157.20 dibandingkan dengan nilai suaian yang telah melewati limit toleransi ukuran diatas 200,20 mm. Persentase keausan tertinggi terjadi pada titik A1I.b senilai 47% dan persentase keausan terendah terjadi pada titik A1I.a, A1III.a, A1III.b, A1III.c dengan nilai 27%. Sedangkan untuk laju keausan tertinggi terjadi pada titik A1I.a dan A1I.b dengan nilai laju keausan sebesar 0,0000448934 mm/jam dan laju keausan terkecil terjadi pada titik A1III.a A1III.b dengan nilai laju keausan sebesar 0,000016835 mm/jam  Kata kunci : mounting main pin, laju keausan, efisiensi.
Co-Authors - Hendro Afdalil Aflika Putra Agus Irianto Alex Darmawan Alfarisi, M. Aqsal Ali Sorayyaei Azar Alwi, Muhammmad Ahkam Aminah Aminah Amir Husin Mohd Nor Mohd Nor Anak Agung Gede Sugianthara Andre Rachmat Scabra Anna Cesaria Arezah, Ersaliya Ariyati, Ressty Putri Arsyanda Aruna Laila Aruna Laila Azizah, Assufia Azmi, Zulfikri Bagus Ansani Takwin Budha Maryanti Budiono, Safilla Azhari Dedi Koswara Dedi Saputra Dedy R Harahap Deftita Yusantia Desi Melanisia Desi Yulastri Dewi Yuliana Fitri Dewita, Tri Djohar Maknun Dodi Suryadi, Dodi Dwinitia, Suci Edwar Kemal Elvira Luthan Emil Septia Emil Septia Ervina Ervina Fahmi Zahiddan Rauf Fahrur Rozi Fathya Zahara fatimah Fatimah Febria, Feby Febrina Riska Putri, Febrina Riska Fevria, Resti Fithri Muliawati Fitri Merawati, Fitri Fitriyani Fitriyani Gemarni Tatalia, Ricci Gita Wincana Habibullah Karami Handika Restu Fauzi Handoko Handoko Haposan L. H. Sihombing Haris Haris, Haris Harizqi Azri Harnon Hayu Afdetis Mana, Lira Herfyna Asty Hermandra, Hermandra Indrayadi, Toni Indriani Nisja Indrya Mulyaningsih Intan Permatasari Iswadi Bahardur jarudin, Jarudin Karami, Habibullah Karyawan, I Dewa Made Alit Khairil Anwar Kurnia Rahmawati Kurniawan, Yohan Ladewi, Yuhanis Laspida Harti Lateh, Nor Hazwani Munirah Lisana Shidqin 'Aliya Lisfarika Napitupulu M. Aziz M. Faris Fakhza M. Ilham Maryelliwati Maryelliwati Mayanda, Sri Anisa Mayori, Syndi Putri Melina, Monika Meliza Budiarti Melvi Reskiania Meyra, Kiki Ayu Mhd. Johan Mila Kurnia Sari Muhammad Nalvin Rizkiandra Muhammad Ridha Darwis Muhiri Mujtaba, Sultan Tirta Muliawati, M.T., Fithri Mustika Rahmi, Febria Muthia Damaiyanti Muthia Damayanti Nadia, Putri Nanang Ruhyat Negara, Kartika P. Neviyarni Neviyarni Nita Nurwahdania Noviana, Manda Eva Nugraha, Asep Suhendar Nunik Cokrowati Nurilah, Indah Parwati, Tri Ayu Pasma, Aldo Serunting Perdyana , Wira Pernantah, Piki Setri Pondrinal, Muhammad Putra, Afdalil Aflika Putri Dian Afrinda Putri, Adela Primadona Putri, Afifah Nabila Syamima R Kunjana Rahardi Rahayu Fitri Rahayu Fitri, Rahayu Rahmad, Hari Adi RAHMAYANI Rahmi, Afrini Ratri Nur Hidayati, Ratri Nur Reflinaldi Reflinaldi Reskiania, Melvi Retty Isnendes Ricci Gemarni Tatalia Rici, Suchi Avita Rifai, Ali Al Bukhari Bin Mhd. Rival Yuhendri Rosa, Silvia Rusdi, Fischa Rina Sadat N S Sidabutar Safitri, Rachmayati Eka Saifoe El Unas Sakilah Sakilah Samsiarni Samsiarni Samsiarni Samsiarni, Samsiarni Sari, Nia Sari, Wina Diana Satini, Ria Selvia Agustin Septia, Emil Sigit Nugroho Silvia Marni Siska Siska Siti Nurtadahlia Song Doo Jin Sri Imelwaty Suchi Avita Rici Suhardi Sulastri Sulastri Sulastri Sulastri Sumargono Sumira Sumira Supiandi Supiandi surahman, fadli Syofyan Hadi Tatalia, Ricci Gemarni Tiawati R, Refa Lina Tiawati, Refa Lina Tiawati, Refa Lina Tri Ayu Parwati Tri Dewita Trisna Helda Ulinsa, Ulinsa Uray Ristian Ursila, Dalila Viona, Resyelly Vismania S. Damaianti, Vismania S. Wei Chen Willia, Angge Willy Satria Wincana, Gita Winci Firdaus Wiskarnid, Wiskarnid Yalmiadi Yalmiadi Yanwar Arief Yendra Yohan Kurniawan Yolanda Z Putri Yudha Setiawan Yufni Faisol Yufni Faisol Yulia Sri Hartati Yuliana Setyaningsih Yunanda, Yessy Yupita, Lasmi Yusantia, Deftita Yusmihad Hamzani Zahra, Arsy Zulfa Zulfa Zulfiana Dessyka Putri