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Subkhan Subkhan
Politeknik Manufaktur Negeri Bangka Belitung
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Analisis Aliran Cetakan Paving Block Menggunakan Material Polypropylene (PP) Yoga Aryatama; Muhammad Yunus; Subkhan Subkhan
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i2.392

Abstract

This study presents the design and flow analysis of a polypropylene (PP) injection mold for paving block production as a cost-efficient and lightweight alternative to conventional metal molds. The research consists of a field survey at Tacon company, product geometry evaluation, mold design using SolidWorks, and flow simulation to assess mold performance. Simulation results indicate that the two-plate mold with a 2 mm wall thickness can withstand loads up to two stacked paving blocks (40 N) without deformation. The filling time was recorded at 1.6491 seconds, with a maximum injection pressure of 49.03 MPa, and cooling time ranging between 5.14–10.64 seconds. The sink mark value was very small (0.0031 mm) and located in non-critical areas, while air traps appeared only at the cavity edges. These findings confirm that PP can be effectively used as a mold material for paving blocks, providing stable melt flow behavior, good product quality, and efficient cooling cycles. This research contributes to the development of polymer-based mold technology for affordable, lightweight, and locally manufacturable paving block production.
Co-Authors Abdi Fahruzi Adhe Anggry Agung Perdana Putra Aldi Pratama Aminuddin Debataraja Arriyani, Yang Fitri Azam Hatami Charlotha Charlotha Clara Lavita Angelina Dery Perayoga Devaned Parlindungan Diviya Arsieka Putri Elsya Safira Galih Afrizal Hasdiansah, Hasdiansah Idiar Idiar Idiar Indra Dwisaputra Iqbal Syamsu Jecky Ardian Mawar Lestari Michael Salim Wijaya Muhammad Basrul Muhid Muhammad H Amrullah Muhammad Yunus Pratama, Dandy Pristiansyah, Pristiansyah Rama Irdyan Rama Irdyan Riski Aldi Pratama Riskullah Dirga Trisaplin Robert Napitupulu Robeth Viktoria Manurung Rodika Sabina Sabina Shanty Dwi Krishnaningsih Sugianto SUWITO SUWITO Suzen, Zaldy Sirwansyah Tri Wardhana, Ganang Yoga Aryatama Yuli Dharta Yuyu Nofriyanto