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All Journal Journal Of Industrial Engineering & Technology Innovation Jurnal Polimesin
Pancayudha, Den Arsyah Pilar
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENERAPAN SISTEM OTOMASI DALAM PENYORTIRAN TOMAT GUNA MENINGKATKAN PRODUKTIVITAS PEMASARAN TOMAT : Application of Automation Systems in Tomato Sorting to Increase Productivity of Marketing Agricultural Products Herawati, Andini Sofia; Pancayudha, Den Arsyah Pilar; Faidillah, Hikmal; Putra, Agus Dwi
Journal of Industrial Engineering & Technology Innovation Vol. 2 No. 2 (2024): Journal Of Industrial Engineering & Technology Innovation (JIETI)
Publisher : LENVARI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61105/jieti.v2i2.197

Abstract

Permintaan tomat (Solanum lycopersicum L.) yang terus meningkat di pasar domestik maupun ekspor menuntut adanya sistem penyortiran hasil panen yang lebih efisien, cepat, dan konsisten dalam menjaga kualitas produk. Metode penyortiran manual yang masih banyak digunakan oleh petani dan pelaku agribisnis, terutama di wilayah pedesaan, memiliki berbagai keterbatasan, seperti ketidakkonsistenan hasil, tingginya waktu proses, dan potensi kerusakan produk akibat kesalahan manusia. Oleh karena itu, diperlukan inovasi berbasis teknologi untuk mengoptimalkan proses penyortiran tomat secara terstandarisasi. Penelitian ini bertujuan untuk mengoptimalkan proses produksi pascapanen melalui penerapan sistem otomasi yang tepat guna. Metode yang digunakan meliputi survei kebutuhan mitra petani tomat untuk mengidentifikasi permasalahan dan spesifikasi teknis yang dibutuhkan dalam proses penyortiran. Berdasarkan hasil analisis kebutuhan tersebut, dikembangkan desain sistem penyortiran otomatis berbasis elektropneumatik yang terdiri dari aktuator pneumatik, sensor warna RGB untuk klasifikasi tingkat kematangan. Hasil pengujian awal menunjukkan bahwa sistem yang diusulkan mampu mengklasifikasikan tomat berdasarkan tingkat kematangan secara lebih cepat dan akurat dibandingkan metode manual. Selain itu, sistem ini mampu mengurangi potensi kerusakan fisik pada produk, serta meningkatkan efisiensi kerja dan output penyortiran. Implementasi sistem otomasi ini berpotensi meningkatkan daya saing produk hortikultura dan memberikan nilai tambah bagi petani di daerah pedesaan melalui proses penyortiran yang lebih modern, efisien, dan terstandar.
Experimental analysis of process parameters in semi-automatic blow molding of PET bottles: a case study at Universitas Negeri Malang product Riyanto, Obaja Eden Sentosa; Tsamroh, Dewi Izzatus; Wandoyo, Ilham Akbar; Pancayudha, Den Arsyah Pilar; Faidillah, Hikmal
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.8192

Abstract

This research aims to analyze the effects of key process parameters on product quality and defects in the semi-automatic blow molding of Polyethylene Terephthalate (PET) bottles at Malang State University (UM). The background of this study stems from the increasing demand for high-quality PET packaging and the limited number of direct experimental studies on semi-automatic machines, with a limited number of tests. Most previous studies have emphasized model-based simulation and optimization, while practical studies that observe the relationship between process parameters and defect characteristics remain rare. Unlike simulation-based studies, this work is based on direct field experiments under stable, industry-relevant machine settings to evaluate product quality and production readiness for mass manufacturing. The research method was conducted through direct experiments using 12.5 g PET preforms and a 330 mL capacity two-cavity mold. The main variables tested included preform temperature (70°C and 80°C), blow delay time (0.30–0.50 s), and low-blow duration (0.20–0.50 s). Bottle quality was evaluated based on thickness measurements, dimensions, and visual analysis of defects such as wrinkles, collapses, and wall irregularities. The results showed that a preform temperature of 80 °C and a low-blow duration of 0.50 s produced bottles of the highest quality, characterized by uniform wall thickness, flat bases, and minimal defects. In contrast, low-temperature settings (70 °C) resulted in high viscosity, leading to deformation and wrinkles. This optimal combination of parameters was proven to improve bottle structure homogeneity and reduce dimensional shrinkage to 1%. This study emphasizes the importance of temperature and blow time control in achieving stable, efficient, and mass-oriented PET bottle production, while strengthening the role of universities in experimental manufacturing applied research.
Co-Authors Dewi Izzatus Tsamroh Faidillah, Hikmal Herawati, Andini Sofia Putra, Agus Dwi Riyanto, Obaja Eden Sentosa Wandoyo, Ilham Akbar