Desain dan Pembuatan Tungku Krusibel Untuk Peleburan Alumunium Dengan Bahan Bakar Gas dan Proses Pengamatan Tungku Serta Proses Pengujian Pengecoran Menggunakan Cetakan Pasir Hitam Dengan Variasi Jarak Penuangan

Meilana, Eka and , Agus Yulianto, ST, MT (2018) Desain dan Pembuatan Tungku Krusibel Untuk Peleburan Alumunium Dengan Bahan Bakar Gas dan Proses Pengamatan Tungku Serta Proses Pengujian Pengecoran Menggunakan Cetakan Pasir Hitam Dengan Variasi Jarak Penuangan. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This research aims to create and work the furnace krusibel. The fuel used is LPG gas. Furnace testing is done with aluminum smelting. The result of the smelting is poured into black sand mold with pouring variation of 25 cm and 50 cm. In this final project, the crucible preparation starts from the component parts which consist of: Drum as gas and water vessel diameter 57 cm, height 42,3 cm, drum side is given 2 part hole to connect with peralon steel pipe. Heated pipe is a small welded pipe cylinder with 2 long cylindrical tubes of length 200 cm, diameter 2,5 cm. Combustion pipe using a metal pipe used with a length of 125 cm, diameter 9 cm, welded with a pipe size of 1 cm in diameter as the entry of gas, and the placement of the blower on the back. The crucible furnace is made of fire brick with height 85 cm, width 75 cm, thick 10 cm. Cover the furnace in the form of a circular plate used with a diameter of 75 cm thick 2 cm. In the furnace testing process carried out by measuring the furnace temperature temperature of 27,4 ° C prior to the test, the result of temperature change at the furnace was viewed from the test through an infrared thermometer device performed every 5 minutes. Maximum temperature obtained during the 730,5 ° C test with a 50 minute melting time to melt 10 kg of aluminum and fuel consumption for 100 minutes requires 9 kg of LPG gas. The results showed that the chemical composition test found in the chemical elements aluminum (Al) 87,51% as the main material, and silicon (Si) 7,71%. The highest mean hardness price was found in a 50cm pouring variation of 70 HB and the average price of casting 25 cm less than <70 HB. As well as observations on the microstructure of porosity defects, most were found on a 25 cm pour specimen compared to 50 cm fewer castings.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Krusibel, Gas, Alumunium, Metalografi
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	Eka Meilana
Date Deposited:	14 Nov 2018 07:09
Last Modified:	14 Nov 2018 07:09
URI:	http://eprints.ums.ac.id/id/eprint/68988

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