Rozi, Rudi Yulian Fakhrul and , Agus Yulianto, ST, MT (2018) Desain dan Pembuatan Tungku Krusibel untuk Peleburan Aluminium dengan Bahan Bakar Gas dan Proses Pengujian Tungkunya serta Proses Pengecoran melalui Cetakan Pasir Merah dengan Variasi Waktu Pembongkaran. Skripsi thesis, Universitas Muhammadiyah Surakarta.
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Abstract
This study aims to examine the process of making and systematic work of krusibel furnace gas-fueled LPG. furnace testing is done with aluminum smelting. The melting result is poured into a red sand mold with 10 and 1 hour dismantling properties. The furnace manufacture starts from the component parts consisting of: The furnace is made with a brick material as high as 85cm, width 75cm, thickness, 20cm. Combustion pipe using a metal pipe used with a length of 125cm, diameter 9cm, welded with a pipe size of 1cm diameter as the entry of gas, and the placement of the blower on the back. Heat pipes are small welded cylinders with 2 long cylinders measuring 2 meters long, 2.5 cm in diameter. Drum as a place of gas and water diameter of 57 cm, height 43 cm on the side of the drum is given a hole 2 parts to be put together with steel pipe peralon. The furnace cover is a circular plate with a diameter of 85cm The furnace testing process is carried out by measuring the temperature of the furnace room 47,4oC before the test, the result of temperature change in the furnace seen from the test through the infrared thermometer tool which is done every 5 minutes. Maximum temperature obtained during 820oC testing with 50 minute melting time to melt 10kg of aluminum. The result of casting test from aluminum smelting with brinell test at 10 second disassembly resulted hardness value 73 HB bigger than breaking time of mold which 1 hour <70 HB influenced by porosity at 1 hour resulted in decreasing hardness value, From test result of chemical composition found on aluminum containing (Al) 88.33%, (Si) 7.01%, (Fe) 1.54%, (Cu) 0.137%, (Mn) 0.454%, (Zn) 1.39% and other unsu material is aluminum alloy silicon. As well as observations on the microstructure of the most porosity defects exist on casting with 1 hour disassembly compared to the 10 seconds fewer disassembly. From the above results it was concluded that a 10-second disassembly can directly affect hardness values harder but smoother surface.
| Item Type: | Karya ilmiah (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Tungku Krusibel, Aluminium, Gas |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | RUDI YULIAN FAKHRUL ROZI |
| Date Deposited: | 01 Aug 2018 06:51 |
| Last Modified: | 01 Aug 2018 06:55 |
| URI: | http://eprints.ums.ac.id/id/eprint/64435 |
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