Projeto de dosador de sementes com dupla saída para milho e feijão

• Ano de defesa: 2013
• Autor(a) principal: Vianna, Leonardo Rochefort
• Orientador(a): Reis, Ângelo Vieira dos
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Pelotas
• Programa de Pós-Graduação: Programa de Pós-Graduação em Sistemas de Produção Agrícola Familiar
• Departamento: Faculdade de Agronomia Eliseu Maciel
• País: BR
• Palavras-chave em Português: Dosador de precisão; Mecanização; Agricultura familiar
• Palavras-chave em Inglês: Metering accuracy; Mechanization; Family farming
• Área do conhecimento CNPq: CNPQ::CIENCIAS AGRARIAS::AGRONOMIA
• Link de acesso: http://guaiaca.ufpel.edu.br/handle/123456789/2386

Family farming is a significant part of national agricultural production, thus, an important component of the Brazilian gross domestic product. The importance of mechanization of agricultural operations for the development of family farming is clear. The improvement and adaptation of the use of the implements used in family production units is a prerequisite for the development of family farming. With the intention of providing an alternative technically and economically appropriate to small farmers, has been designed and built a prototype of a disc plate seed meter with two seed outlets for corn and beans, which will later be part of a small planter that meets the needs of family farming. This device should be compatible with the financial resources and other equipment available in this type of farm, as well as using the usual manufacturing processes, suited to the realities of manufacturers who are dedicated to equipment designed for family farming.The methodology used in the design of the meter conception was developed by the Department of Mechanical Engineering, Federal University of Santa Catarina, which is based on a consensus model that divides the design process into four main phases: informational design, conceptual design, embodiment design and detailed design. This study discusses the phases of informational design, conceptual design and embodiment design, besides the study of solution principles applicable to product development. Design requirements were obtained that have evolved to a conception, which was used to develop the design of the meter. The prototype was completed and tested for uniform metering of outputs. The results were satisfactory, reaching significant goals previously established. The mechanical fabrication processes involved in the development of the prototype are considered customary in metalworking industry. The prototype incorporated components available on the market of spare parts for disc plate meters, reducing development costs of new components. The prototype has similar performance testing of analogous commercial metering, indicating the feasibility of its use in the design of a planter for small farmers.