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All Journal WAVE: Jurnal Ilmiah Teknologi Maritim
Vicky Firmansyah
Manufacturing Engineering Technology, Politeknik Negeri Banyuwangi
Control & Systems Engineering Energy Engineering Mechanical Engineering Transportation

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Analysis of Sand Casting Method in Manufacturing Ship Water Jet Propulsion Impeller Based on Software Simulation Vicky Firmansyah; Jangka Rulianto; Eli Novitasari
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 20 No. 1 (2026)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2026.12923

Abstract

This research aims to analyze the casting process of an impeller used in a marine water jet propulsion system using the sand casting method, assisted by ProCAST simulation software. Two gating system designs were compared: one without a riser and one with a riser, along with three pouring temperature variations (630°C, 660°C, and 680°C) to identify casting defects. Simulation results show that the design with a riser produced a total shrinkage porosity of 6.67%. The solidification time for the design without a riser was recorded at 225 seconds, while the design with a riser reached 282 seconds. The Niyama criterion for the design without a riser ranged from 3.70 to 7.40 (k.sec)^0.5/cm, while the design with a riser increased to 4.96 to 9.93 (k.sec)^0.5/cm. Among the three pouring temperature variations, 660°C provided the most optimal results. The combination of riser design and 660°C pouring temperature yielded the best casting quality.
Co-Authors Eli Novitasari Jangka Rulianto