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Modular System Of Jajar Legowo Rice Transplanter Supports The Optimization Of Utilization In Terraced Fields a) Agricultural Engineering Study Program, Department of Mechanical and Biosystem Engineering, Faculty of Agricultural Technology, Bogor Agricultural Institute Abstract One of the challenges in operating rice transplanters in terraced fields is the difficult access to farm roads, varying heights of terraces, and the size of the terraced plots. One solution to these problems is to use a modular or knock-down method, allowing the machine, which has an average weight of 168-180 kg per unit, to be divided into several parts so that farmers or operators can carry the machine through terraced roads. The machine can be divided into three modules, which are the main driving and transmission unit, right and left wheel transmission unit, and feeding system unit. The consideration in determining the module is the ease and speed of assembly and disassembly, human transportation ability, the strength and reliability of module connections, and ergonomic aspects. Most of the module components of the rice transplanter are made of ST37 steel and S45C carbon steel hardened. Various metal joining methods, such as clamping systems, bolts, threads, pins, and welding, are used for connection. The modular frame of a planting machine will undergo repeated dynamic loads during use, such as shocks, vibrations, and repeated stresses. This can cause material fatigue and reduce the lifespan of the planting machine frame. Therefore, it is crucial to conduct natural frequency and dynamic load analyses on the planting machine frame to ensure its strength and durability against the received loads. Keywords: Rice transplanter, Terraced fields, Modular, Jajar Legowo, Dynamic load analyses Topic: Agricultural Engineering |
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