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All Journal Rotasi Jurnal Rekayasa Mesin AL-JAZARI JURNAL ILMIAH TEKNIK MESIN MEKANIKA - JURNAL TEKNIK MESIN Jurnal Metalurgi dan Material Indonesia Creative Research in Engineering (CERIE) Widya Teknik
Moh. Nor Ali Aziz
Program Studi Teknik Mesin, Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya, Jalan Semolowaru No. 45 Surabaya 60118, Indonesia
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Jurnal Metalurgi dan Material Indonesia

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Aplikasi lost wax casting pada pembuatan screw ortopedi : Application of lost wax casting for manufacturing of orthopedic screw Moh Nor Ali Aziz; Rusnaldy; Paryanto; Patrick Munyensanga
Jurnal Metalurgi dan Material Indonesia Vol. 2 No. 3 (2019): Desember
Publisher : Badan Kerja Sama Pendidikan Metalurgi dan Material (BKPMM)

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Abstract

Orthopedic screws are generally manufactured using CNC machines, but these machines are complex and expensive. Orthopedic screws are included in the special product category from its non-corrosive, not easily distorted and have better accuracy than other screws in general; so, it presents a high selling price. To overcome this challenge; the manufacturing process needs to be analyzed. The lost wax casting process gives production process of screw with accepted measures. This paper discusses the results of the dimensional analysis of casting where the process of casting lost wax begins with making the wax pattern mould. Furthermore, the designed assembly tree is smeared and poured in the ceramic pulp until it hardens. The heating process is useful to dilute the wax pattern before the pouring is successful. The main catalyst for good orthopedic screws is magnesium. The pouring process is needed specifically on this material which is easily oxidized or easily increased if the pouring process is in the open room. To avoid this, the material considered to be used is lead and this process is preferred to develop lost wax casting for manufacturing screws that produce small dimension products with high accuracy.
Co-Authors agung setiawan Dewantara, Muhammad Celvin Edi Santoso Edi Santoso Fatkhurrohman Fatkhurrohman Fatkhurrohman Fatkhurrohman, Fatkhurrohman Gatut Prijo Utomo Hartanti, Lusia Permata Sari Ichlas Wahid, Ichlas Indah Nurpriyanti Ismail Ismail Kaka Denawa Martha Yoga Kirom, Ichwanul Mastuki Mastuki Maula Nafi Muhammad Rizal Febriansyah Munyensanga, Patrick Ninik Martini Paryanto Paryanto, P. Patrick Munyensanga Pratama, Muhammad Zidane Pratama, Reffi Wira Rusnaldy Rusnaldy Sampurna, Edwin Ramadhani Seputra, Harjo Susanto, Dani Utomo, Mohamad Diky Dwi Widianto Widianto Yulianto, Adam Eko