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All Journal Jurnal Abdi Insani International Journal of Engineering, Science and Information Technology TECHNOLOGIC
Febriyanto, Rusdi
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Journal : TECHNOLOGIC

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ANALISA POMPA COOLING WATER SUPPLY UNTUK MENGHASILKAN STANDAR POMPA YANG EFISIEN DI COOLING TOWER 4 PT EFG Purwoko, Yohanes Agung; Ridho Febrianto, Fendi; Susilo, Ade; Febriyanto, Rusdi
Technologic Vol 15 No 1 (2024): TECHNOLOGIC
Publisher : LPPM Politeknik Astra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52453/t.v15i1.382

Abstract

PT EFG Casting Plant is a manufacturing company that produces engine components used for Daihatsu car engines and some Toyota car engines. The production process is closely related to the high-temperature molding process using a casting machine. Overall, it is cooled using water from a cooling tower and the water is supplied using 2 pumps. An analysis was carried out which aims to determine the efficiency of the two cooling water supply pumps and from the results of this analysis obtained a low efficiency of 66% for each pump, this is because there is a 50% closure of the valve after the cooling water supply pump and if the valve is not done closing can cause cavitation in the pump. The low efficiency of the pump motor can result in less than optimal use of electric power in the pump. To overcome this problem the authors make improvements by providing standard pumps that have optimal efficiency in piping installations at PT EFG. So that from the results of these calculations it was found that initially using two cooling water supply pumps to meet the needs of cooling water, it can be reduced and replaced by using one efficient pump and power use can be optimized. Pump motor efficiency can increase up to 74% and can reduce the use of electric power by 53,049.9 kWh. Keywords: cooling tower, pump efficiency, pump standardization, energy.
OPTIMALISASI PROSES DENGAN METODE COMMONIZE BOOTH B UNTUK MATERIAL X** TWO TONE KANSAI PAINT di LINE TOPCOAT PT ASTRA DAIHATSU MOTOR Purwoko, Yohanes Agung; Mukhtariz, Akmal; Edi Widyartono, Andreas; Amri, Mahardhika; Febriyanto, Rusdi
Technologic Vol 15 No 1 (2024): TECHNOLOGIC
Publisher : LPPM Politeknik Astra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52453/t.v15i1.431

Abstract

Abstract – PT. Astra Daihatsu Motor Karawang Assembly Plant is a manufacturing company in Indonesia that produces four-wheeled vehicle models for the Daihatsu and Toyota brands. The Painting process is one of the processes in a series of car manufacturing processes at PT. Astra Daihatsu Motor Karawang Assembly Plant. After collecting data related to the achievement of the KPI (Key Performance Index) of the Painting Department, several aspect points were obtained that had not reached the target, one of which was a process aspect point related to efficiency. After being broken down, the Tocpoat Line becomes the main process with the lowest efficiency, which only reaches 87%. With the current achievement of efficiency, in one hour Topcoat is only able to produce 62.6 units/hour from the target of 68.7 units that must be produced. However, with the ability of the current topcoat, it causes a loss of 5.1 units/hour and must be done overtime at the end of production. Therefore, a deeper study was carried out using the QCC 8 Step method which focused on the Topocoat production line, as well as making improvements to one of the efficiency problems, namely Heijunka X** Twotone with the target of increasing efficiency, meeting supply unit needs towards touch ups, and reducing unit loss per hour on the Topcoat production line. After this analysis and improvement was carried out, it was seen that the results of changes in efficiency increase were achieved, which reduced unit loss in the topcoat and were able to save costs related to overtime.Keywords : Pinting Departement KPI, Efficiency Topcoat, Target Unit, Overtime.
MENINGKATKATKAN EFEKTIVITAS PROSES BLEEDING SISTEM REM DENGAN SST BRAKE BLEEDER DI PT XYZ Wanda, Wanda; Fala, M Asyraf; Febriyanto, Rusdi; Agung Purwoko, Yohanes; Tarigan, Elroy FKP
Technologic Vol 15 No 2 (2024): TECHNOLOGIC
Publisher : LPPM Politeknik Astra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52453/t.v15i2.432

Abstract

Car Sales operation merupakan unit bisnis yang melayani penjualan, perbaikan dan pemeliharaan kendaraan ringan, yang selalu berupaya memberikan pelayanan terbaik kepada pelanggan dengan cara melakukan improvement guna meningkatkan pelayanan service secara kualitas dan kuantitas kerja yang bertujuan untuk meningkatkan kepuasan pelanggan. Permasalahan yang ditemukan adalah lamanya waktu pengerjaan service berkala servis berkala 40.000 Km yang diakibatkan proses bleeding sistem rem yang membutuhkan waktu selama 15 menit dan memerlukan 2 pekerja. Untuk mengatasi masalah tersebut, dirancang SST brake bleeder yang dapat dioperasikan oleh satu pekerja sehingga dapat mempermudah dan mempersingkat waktu pengerjaan. Metode penelitian dilakukan dengan observasi, wawancara, dan analisis unit entry yang dianalisis menggunakan metode 4M-1E dan diagram fishbone dan dievaluasi menggunakan PQCDSM. Hasil penerapan SST brake bleeder dapat menurunkan waktu pengerjaan dari 15 menit menjadi 10 menit dan menurunkan manpower operasional pengerjaan dari 2 pekerja menjadi 1 pekerja. Ditinjau dari penurunan waktu dan manpower maka pekerjaan menggunakan SST ini menjadi lebih efektif dan efisien, sehingga produktivitas teknisi dapat ditingkatkan secara maksimal.
MEMAKSIMALKAN MANPOWER SERTA MENEKAN LEADTIME OVERHAUL KOMPONEN CRAWLER DENGAN PEMBUATAN ALAT BANTU re-TAPPING ELEKTRIK DI PT XYZ tarigan, elroy fkp; Kuncoro, Alfito Yudhasuri; Febriyanto, Rusdi; Wanda, Wanda
Technologic Vol 16 No 1 (2025): TECHNOLOGIC
Publisher : LPPM Politeknik Astra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52453/t.v16i1.454

Abstract

PT XYZ divisi service merupakan divisi yang menangani jasa layanan sevice unit alat berat seperti General Overhaul. Permasalahan saat ini yang ada pada leadtime overhaul unit bertipe crawler melebihi dari plan pada proses recondition chassis dikarenakan proses retap membutuhkan beban kerja yang berat sehingga membutuhkan 3 manpower. Kondisi pengerjaan retap sebelumnya dilakukan secara manual dengan tenaga manusia sehingga membuat pengerjaan dilakukan dengan durasi 42,8 jam. Solusi yang ditawarkan melalui penelitian ini adalah dengan modifikasi pembuatan alat bantu retap elektrik sebagai pengganti tenaga manpower sehingga dapat memperkecil durasi kerja menjadi 6,2 jam dan 1 manpower.
Co-Authors Ade Dwi Putra Janata Agung Purwoko, Yohanes Amri, Mahardhika Ananda Yhuto Wibisono Putra Anwar, Choyrul Edi Widyartono, Andreas Fadly Nendra Fala, M Asyraf Hamid Abdillah Ikhsanudin Ikhsanudin Kuncoro, Alfito Yudhasuri Moh Fawaid Muhammad Nurtanto Mukhtariz, Akmal Purwoko, Yohanes Agung Ricky Cahyasari Putra Ridho Febrianto, Fendi Susilo, Ade Tarigan, Elroy FKP Umara, Andi Maga Valiant Lukad Perdana Sutrisno, Valiant Lukad Perdana Wanda Wanda