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All Journal Jurnal Taguchi : Jurnal Ilmiah Teknik dan Manajemen Industri
Ranzani, Cut Dherra Widya Sari
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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PENENTUAN ONGKOS MATERIAL HANDLING DI PT XYZ MENGGUNAKAN METODE COMPUTERIZED RELATIVE ALLOCATION OF FACILITIES TECHNIQUE ( CRAFT ) Putri, Stevanie Primisari; Ranzani, Cut Dherra Widya Sari; Sihombing, Abi Mael; Fauzi, Yusuf; Wulandari, Fadila Woro
Jurnal Ilmiah Teknik dan Manajemen Industri Vol. 4 No. 2 (2024): Jurnal Taguchi : Jurnal Ilmiah Keilmuan Teknik dan Manajemen Industri
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/tgc.v4i2.252

Abstract

The development of the increasingly competitive manufacturing industry requires efficiency in various operational aspects, particularly in production costs. One significant cost component is Material Handling Costs (MHC), which can account for 30-75% of total production costs. PT XYZ, engaged in the clamp manufacturing industry, faces challenges in optimizing material handling costs. This investigation employs the Computerized Relative Allocation of Facilities Technique (CRAFT) to analyze and optimize MHC. The analysis results indicate that the total MHC at PT XYZ amounts to Rp 20,786,000, with the largest contribution coming from the material transfer between the Assembly Department and Quality Control. The considerable transfer distance and high transfer frequency are the main factors influencing material handling costs. The CRAFT method provides a comprehensive overview of material flow and transfer costs, that can serve as a basis for future facility layout optimization.
PENGEMBANGAN PRODUK YOGHURT BERBASIS LIMBAH KEJU DI RUMAH KEJU JOGJA (KEJUGJA) Putri, Stevanie Primisari; Ranzani, Cut Dherra Widya Sari; Sihombing, Abi Mael; Fauzi, Yusuf; Onthoni, Maurits Calvin
Jurnal Ilmiah Teknik dan Manajemen Industri Vol. 4 No. 2 (2024): Jurnal Taguchi : Jurnal Ilmiah Keilmuan Teknik dan Manajemen Industri
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/tgc.v4i2.253

Abstract

Rumah Keju Jogja (KEJUGJA) is a cheese producer that requires approximately 1,200 liters of milk per month to produce its cheese. The whey waste generated during the cheese production process, amounting to 960–1,080 liters, is often discarded without optimal utilization, despite containing valuable nutrients. This study employs the Taguchi parameters to identify issues in whey waste management and process it into high-quality and financially viable yogurt. The method applied is the Taguchi Design of Experiments using an orthogonal array (OA) L9 to determine the optimal combination of factors affecting yogurt quality, namely milk, whey, and yogurt starter. The results of the Taguchi Design of Experiments indicate that the best combination for taste is 200 ml of milk, 200 ml of whey, and 20 g of yogurt starter, while for texture and thickness, the optimal combination is 300 ml of milk, 200 ml of whey, and 20 g of yogurt starter. The analysis of variance (ANOVA), conducted with α=0.05 and an f-table value of 5.14, reveals that no factor significantly affects yogurt quality at a 95% confidence level. From a financial perspective, the analysis shows that this yogurt product is not only economically viable but also has the potential to generate a net profit of IDR 78,967 from producing 25 cups per day. The breakeven point (BEP) indicates that selling 143 units of yogurt per month covers operational costs of IDR 1,721,040, with an investment payback period of IDR 1,672,000 achieved in approximately seven weeks. These findings emphasize the importance of innovation in waste management to enhance the sustainability and profitability of local cheese production businesses
Co-Authors Fauzi, Yusuf Onthoni, Maurits Calvin Putri, Stevanie Primisari Sihombing, Abi Mael Wulandari, Fadila Woro