Application of ergonomic for developing agricultural handheld for soil tillage
Keywords:
Ergonomic, Agricultural handheld, Soil tillangAbstract
The objective of this research was design an agricultural handheld for soil tillage, applied by ergonomic principles. The methodology 1) selecting commonly agricultural handheld for soil tillage to use as a model 2) Design and make agricultural handheld for soil tillage 3) efficiency test of agricultural handheld for soil tillage and 4) Development of agricultural handheld for soil tillage, by considering the ergonomics of using agricultural handheld for soil tillage. The results showed the commonly agricultural handheld that farmers used in plant care process was a hoe. Which is a prototype of agricultural handheld for soil tillage, Using common principles mechanical was wheel and axle, wedge and lever. Efficiency test of agricultural handheld for soil tillage determined by the user ergonomics, consists of 4 parts was Part 1: wrist, Part 2: Lower arm, Part 3: upper arm and Part 4: body. Total Mechanical Advantage (M.A.) while pushing was 2.51 and total Mechanical Advantage while pulling was 2.39. Developed by increasing the wheel size, wedge length and number of wedges around the wheel, that affect for user behavior. Increased the total Mechanical Advantage while pushing was 2.54 and Increased the total Mechanical Advantage while pulling was 3.35. It can be concluded that application of ergonomic for developing agricultural handheld for soil tillage has low exertion while using agricultural handheld for soil tillage.
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