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Pengaruh Komposisi Pasir Cetak Terhadap Mutu Cetakan Pasir Coran Aluminium
Author(s) -
Bukhari Bukhari,
Nofriadi Nofriadi,
Yanziwar Yanziwar
Publication year - 2019
Publication title -
jurnal teknik mesin
Language(s) - English
Resource type - Journals
eISSN - 2655-5670
pISSN - 1829-8958
DOI - 10.30630/jtm.12.2.227
Subject(s) - mold , ultimate tensile strength , materials science , composite material , casting , metallurgy
Casting is a manufacturing procces that use mold and molten metal to make parts. Geometry of the mold is almost same with the product. Shape of sand mold is negative shape of product that according to desire pattern. Making procces of mold must following right composition of sand mold. After through some test, strength of sand mold is depand on composition of mater. Value of the test on table 1 (89% sand, 9% water glass, and 2% water, has tensile strength 0,66 N/mm2 ) and compared to table 3. (85% sand, 9% water glass dan 2% water, has tensile strength 0,415 N/mm2 ). Based on the test, mold with 100% new sand has better collapse is mold with composition 94% new sand, 4% water glass, 2% water, has tensile strength 0,417 N/mm2, but, muld with 50% new sand 50% recycle sand has better collapse is mold with composition 45% new sand, 45% recycle sand, 6% water glass, and 4% water, has tensile strength 0,474 N/mm2.

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