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All Journal Journal of Mechanical and Manufacture SEMINAR TEKNOLOGI MAJALENGKA (STIMA)
Tarsudin, Tarsudin
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Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Reconditioning Load Cell Tensile Testing Machine Capacity 2 Ton Tarsudin, Tarsudin; Koswara, Engkos; Rachmat, Asep
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Abstract

Test equipment is an educational laboratory facility that is very important in supporting and supporting the teaching and learning process in the laboratory. , load cell is an electronic device that is used as an additional device in a tensile testing machine. The tensile test results will be better or more accurate if the tensile test equipment is equipped with a load cell using a data device system. Obtained from this test, namely the stress value that occurs in the load cell, the stress on the ST37 steel specimen is 48.56 kg/mm², the maximum stress is 952.99 kg/mm². While the stress on the 6061 aluminum specimen is 15.6 kg/mm², and the maximum stress is 306.15 kg/mm². In addition to the workpiece that breaks due to tension, a tensile test curve is also generated. This curve is a description of the workpiece loading process from the beginning of the withdrawal to the end of the workpiece.
ANALISIS EFISIENSI BOILER FIVES CHAIL BABCOCK BR 2-39-62 KAPASITAS 55 TON/JAM TEKANAN KERJA26 BAR DI PT. PG. RAJAWALI II UNIT PG. JATITUJUH Tarsudin, Tarsudin; Koswara, Engkos; Susandi, Dony
SEMINAR TEKNOLOGI MAJALENGKA (STIMA) Vol 4 (2019): Inovasi Desa Menuju Era 4.0 : Merangsang Inovasi Desa Melalui Pemanfaatan Internet of
Publisher : Universitas Majalengka

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PT. PG. Rajawali II unit PG. Jatitujuh uses 3 boiler units as its energy source, one of which is boiler Fives Cail Babcock BR 2-39-62 capacity of 55 tons / hour. Boilers or boilers are closed vessels used to produce steam, steam is obtained by heating a vessel containing water with fuel. The steam produced by the boiler will be used to drive the turbine in 2 alternators, 1 unit of unigator, 1 unit of mill, 1 unit of cane cuter, and the process of drying sugar. BR 2-39-62 FCB boilers began operating in 1980, this boiler is quite old so that the performance has decreased. For this reason, an analysis was held to determine the efficiency of the boiler. The initial standard of boiler operation FCB 2-39-62 in 1980 was a maximum working pressure of 26 bar, the temperature of the incoming water was 105ºC, steam temperature was 350ºC, steam flow was 47 Ton / Hour, and water quality was 7.0 pH. Based on data and analysis, it is known that the initial efficiency of boiler operation FCB BR 2-39-62 is 100%, while the greatest efficiency on October 21, 2018 is 38%. The effect of decreasing boiler efficiency is caused by the reduced temperature of boiler intake due to the buildup of scale and rust on the pipe, which affects the steam flow.
Co-Authors Asep Rachmat, Asep Dony Susandi Koswara, Engkos