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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Gahara Suttan Babadi Mubarok
Universitas 17 Agustus 1945 Surabaya
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Rancang Bangun Mesin Pemotong Tahu dengan Pendekatan Antropometri untuk Meningkatkan Produktivitas Produksi Tahu (Studi Kasus: UD Mardi Mulyo) Gahara Suttan Babadi Mubarok; Jaka Purnama
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.59268

Abstract

UD Mardi Mulyo is a small-medium tofu enterprise in Wringinanom, Gresik, East Java, producing up to 5,000 pieces of tofu per day with 8 workers in 10 working hours. The main problem is manual tofu cutting using a knife, requiring an average of 10 minutes per cooking cycle (15 kg soybean), causing physical fatigue, inconsistent cutting sizes, and inability to meet market demand. This study designed and built a pneumatic electric tofu cutting machine based on seated operator anthropometric data. Methods included field observation, stopwatch time study, anthropometric measurement, percentile calculation, and financial feasibility analysis. The machine (60×60×130 cm) uses a double-acting pneumatic cylinder Ø50 mm, food-grade SUS 304 stainless steel, costs Rp 7,100,000, with a Payback Period of ±2.39 months. The machine reduces cutting time by 50% and significantly improves cutting size consistency.
Co-Authors Jaka Purnama