Designing of Baking Oven for Finna Bakery Using Kano Model and Quality Function Deployment

Velina, Audria (2021) Designing of Baking Oven for Finna Bakery Using Kano Model and Quality Function Deployment. Diploma thesis, Universitas Andalas.

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Abstract

This research proposes a baking oven design based on the user requirements. The research objectives are to obtain the design of a baking oven (functional design and technical design) and to estimate the cost for building the baking oven. The functional design is done to determine the functions of the baking oven based on user requirements. The user requirements are gathered through user interviews and are analyzed using the Kano Model. Kano model is used to classify the product attributes based on the quality attributes and determine the importance of each product attribute. The baking oven type is chosen by considering the user preferences. QFD is used to construct the baking oven function system. Two quality houses will be established using QFD: the requirement-function quality house model and the function-part quality house model. The technical design starts from determining the technical response of the user requirements. The dimension of the baking oven’s chamber is determined based on the capacity needed and the dimension of baking equipment. The energy requirement during the baking process is also determined. Then, the materials and parts of baking oven are chosen, and the estimated cost to build the baking oven is determined. There are 20 user requirements obtained based on capacity, performance, ease of use, ease of maintenance, safety, and aesthetic aspects. The designed baking oven is the rotary rack oven, with a capacity of 32 sheet pans in a trolley. The overall dimension of the baking oven is 1,930 x 1,530 x 1,980 mm. The total energy requirement for baking one batch production of white bread is 37,226.52 kJ. The total energy consumption of LPG for baking one batch production of white bread is 1.27 kg. The cost of energy consumption is Rp155.92 per loaf of white bread. The total cost for building the baking oven is Rp78,033,260. The depreciation cost for the baking oven is Rp40.39 per loaf of white bread.

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