Encanteirador-depositor de fertilizantes mineral e orgânico para tratores de baixa potência: Projeto informacional e conceitual.

Abstract

The family-based agriculture is responsible for a significant portion of agricultural production in the country, however faces a deficiency when it comes to agricultural machinery necessary for your needs. In a survey conducted with family-based farmers in southern Rio Grande do Sul, the need for a machine able to conform beds was detected, deposit organic fertilizer, thus many activities such as these, are still performed manually, spending much time and effort for implementation and reducing productivity. The objective of this study is to develop the informational and conceptual designs of a mechanized system able to conform planting beds, and deposit, according to the agronomic recommendations, mineral and organic fertilizers, requiring drive power less than 25 kW. The methodology is based on Phases Model, employed successfully in the design of agricultural machinery, which is divided into four steps: Informational design, conceptual design, preliminary design and detailed design. At this stage they were executed phases of informational design and conceptual research which was carried out by solving principles and selection of the most promising combinations in order to choose the most suitable design to meet the needs of farmers, in respect of the machine to be designed whose combination allows all tasks. As a result of the information design phase it was obtained hierarchy of design requirements, the three most important ones are: Power drive, Width of work and cost of manufacturing. In the conceptual design phase, the concept chosen has the simplest configuration to be built, with low cost of manufacture and assembly, having as main features, chassis, discs, metering and three-point hitch system. By the applied method, there were obtained 04 conceptions, having chosen to optimize the concept 02, developing it into the final design.