Rancang Bangun Mesin Pengering (Oven) Arang Briket Guna Meningkatkan Efisiensi Biaya Produksi Dan Profitabilitas Dengan Metode QFD. (Design and Construction of a Charcoal Briquette Drying Machine (Oven) to Improve Production Cost Efficiency and Profitability Using the QFD Method).

Saputra, Nabil Hasabi (2025) Rancang Bangun Mesin Pengering (Oven) Arang Briket Guna Meningkatkan Efisiensi Biaya Produksi Dan Profitabilitas Dengan Metode QFD. (Design and Construction of a Charcoal Briquette Drying Machine (Oven) to Improve Production Cost Efficiency and Profitability Using the QFD Method). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.

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Abstract

The Charcoal Briquette MSME in Gedangan Subdistrict, Sidoarjo Regency, is a business engaged in the production of alternative energy based on coconut shell waste and sawdust. The production process involves burning, grinding, mixing adhesives, molding, and drying. However, based on observations, around 30% of raw materials are not optimally utilized because they become waste in the form of ash and coarse charcoal. This condition causes low production efficiency and increased operational costs. In addition, the capacity of the existing charcoal briquette drying machine is still limited, the molding results are often inconsistent, and the durability of the machine material is relatively low. This study aims to design a more efficient charcoal briquette molding machine that suits the needs of MSMEs using the Quality Function Deployment (QFD) approach. This method focuses on translating user needs (Voice of Customer) into technical product requirements, so that the machine design not only considers technical aspects but also meets user expectations. The results of the dryer design proved to provide drastic efficiency, cutting the drying time from 3-5 days (conventional drying) to only 2-5 hours, and increasing daily production capacity from 46 kg to 92 kg. This increase in efficiency has a direct positive impact on the financial aspects of MSMEs, reducing total production costs (COGS) by IDR 2,300,000 and increasing

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