ANALISIS PERANCANGAN TUNGKU PENGECORAN LOGAM ALUMUNIUM BERBAHAN BAHAN BAKAR OLI BEKAS GUNA MENEKAN BIAYA PRODUKSI DALAM PROSES PRODUKSI ALUMUNIUM BATANGAN

Abstract

CV Mandiri Jaya Logam is a home industry which is engaged in metal casting which produces
aluminum bars. The use of wood raw materials that is less effective and efficient for burning
based on the use of wood is very large for the production process, the costs used to purchase
fuel are relatively expensive, the combustion system that produces high pollution. This type of
furnace (crusible) using koi as a liquid aluminum container only has a resistance of 3 months
and must be replaced. The refractory made of bricks prepared by the koi has cracks so it needs
maintenance every week, as a result of the heat and air pressure of the gasbull not being able
to be properly dampened by the bricks. natural gas and analyze the calculation of the cost of
production. The results of the stove design analysis of used fuel oil, wood, natural gas found
that the stove design with natural gas fuel has good capability and durability, so that when
the cost of production of natural gas fuel is analyzed, it has an economical cost for the
manufacture of aluminum bar products at a price of Rp. 16,947 / kg