ANALISIS EFISIENSI PENGGUNAAN PENDINGIN DENGAN WATER SPRAY PADA PROSES HOT ROLLING MILLS DI PT JCSM

PUTRA, CANDRA PRATAMA (2018) ANALISIS EFISIENSI PENGGUNAAN PENDINGIN DENGAN WATER SPRAY PADA PROSES HOT ROLLING MILLS DI PT JCSM. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

The high level of roll wear using conventional cooling causes the roll to wear under the required capacity, which has a direct impact on the high down time in the production process. The purpose of this study is to determine the effect of the use of conventional cooling and water spray to roll usage capacity. The research process used experimental method on finishing mills by using 10 sets of randomly selected roll samples, for data retrieval and trials directly in the production area from January 2017 until the completion and then will be calculated the rate of heat transfer in each coolant as well the effect of cooling on the roll usage capacity. The use of water spray is targeted to increase rolling capacity up to 10% of standard capacity, which is for the production size of 10 mm of 315 ton / grooving and the size of 13 mm is 320 ton / grooving. The results showed significant difference of heat transfer rate between conventional cooling and water spray usage, and the effect on roll usage capacity, where the use of water spray can increase roll capacity exceeding 10% of standard capacity. Key Words: efficiency, water spray, finishing mills. Tingginya tingkat keausan roll dengan menggunakan pendingin konvensional mengakibatkan roll mengalami keausan dibawah kapasitas yang seharusnya, hal ini berdampak langung terhadap tingginya down time pada proses produksi. Tujuan dari penelitian ini yaitu untuk mengetahui pengaruh penggunaan pendingin konvensional dan water spray terhadap kapasitas pemakain roll. Proses penelitian menggunakan metode eksperimental pada finishing mills dengan menggunakan 10 set sampel roll yang dipilih secara acak, untuk pengambilan data dan uji coba dilakukan langsung pada area produksi mulai Januari 2017 sampai dengan selesai dan selanjutnya akan dilakukan perhitungan laju perpindahan panas pada masingmasing pendingin serta pengaruh pendinginan terhadap kapasitas pemakaian roll. Dalam penggunaan water spray ditargetkan dapat meningkatkan kapasitas pemakaian roll hingga 10% dari kapasitas standar, dimana untuk ukuran produksi 10 mm sebesar 315 ton/grooving dan ukuran 13 mm sebesar 320 ton/grooving. Hasil penelitian menunjukan perbedaan laju perpindahan panas yang cukup signifikan antara penggunaan pendingin konvensional dan water spray, serta pengaruh terhadap kapasitas pemakaian roll, dimana penggunaan water spray dapat meningkatkan kapasitas pemakaian roll melebihi 10% dari kapasitas standar. Kata Kunci: efisiensi, water spray, finishing mills.

Item Type: Thesis (S1)
Call Number CD: FT/MSN.18 006
NIM: 41316110036
Uncontrolled Keywords: efisiensi, water spray, finishing mills.
Subjects: 600 Technology/Teknologi > 690 Buildings/Teknik Bangunan > 696 Energy and Environmental of Building/Pengaturan Energi dan Lingkungan Sekitar Bangunan > 696.6 Hot-Water Supply/Pasokan Air Panas
700 Arts/Seni, Seni Rupa, Kesenian > 710 Civic and Lanscape Art/Seni Perkotaan dan Pertamanan > 719 Natural Landscapes/Pertamanan Alam
700 Arts/Seni, Seni Rupa, Kesenian > 750 Painting and Paintings/Seni Lukis dan Lukisan > 751 Techniques and Procedures/Teknik Seni Lukis dan Lukisan, Prosedur Seni Lukis dan Lukisan > 751.4 Techniques and Procedures/Teknik dan Prosedur > 751.42 Use of Water-Soluble Mediums/Penggunaan Media Larut Air
Divisions: Fakultas Teknik > Arsitektur
Depositing User: Virda Syifa
Date Deposited: 28 Aug 2018 02:06
Last Modified: 25 Sep 2018 07:19
URI: http://repository.mercubuana.ac.id/id/eprint/44264

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