PowerPoint Presentation

[Virtual Presenter] The development of a manual vegetable transplanter is an exciting innovation that has the potential to revolutionize the way we plant vegetables. Today, we're going to explore the design, working principle, and benefits of this innovative device..

[Audio] The manual vegetable transplanter was designed to ensure uniform planting, reduce labor demands, and increase efficiency. It will be affordable, easy to use, and adaptable to different soil conditions, providing a cost-effective solution to enhance the sustainability of vegetable farming..

[Audio] The traditional method of manually transplanting vegetable seedlings is labor-intensive, resulting in inconsistent planting depths and spacings, which ultimately reduces crop yields. This issue is particularly challenging for small and medium-scale farmers, as it limits their productivity and increases labor costs. The goal of this project is to create a cost-effective, user-friendly manual vegetable transplanter that ensures uniform planting, reduces labor demands, and improves the overall sustainability and profitability of vegetable farming..

[Audio] The objectives of this project are clear. We aim to design and develop a manual vegetable transplanter that enhances planting precision and efficiency using a mechanical system. This device will enable farmers to plant seeds accurately and quickly, reducing waste and increasing yields. Furthermore, we plan to test the machine's performance and refine its design based on real-world experience. Our goal is to create a cost-effective and user-friendly tool that meets the needs of small-scale farmers, allowing them to optimize their operations within a specific timeframe..

[Audio] The mechanism operates by pulling the handle, which sets the two connected wheels in motion. The wheels are linked by a steel bar, which drives a series of gear wheels. The gears transfer power to a rotating top circular plate with evenly spaced holes that hold the seedlings. As the plate rotates, seedlings are dropped into planting positions aligned with a cutting blade. The cutting blade's movement is controlled by a lobe wheel, which is powered by another gear system connected to the steel bar. The lobe wheel presses the blade downward to create a planting hole, and a spring mechanism lifts the blade back into position. This cycle ensures precise and continuous planting as the machine moves forward. The furrow wheel helps guide the machine along a straight path, ensuring stability and proper alignment during operation, while the marker controls the row spacing by indicating where the next planting row should be positioned..

6. Design. Figure : Manual Vegetable Transplanter.

[Audio] We conducted a thorough analysis of the project's material and component needs to determine what was required for the manual vegetable transplanter. We obtained quotes from suppliers to compare prices and ensure our budget was being met. We prioritized the purchase of essential components like gears, chains, and cutting blades that are crucial for the mechanical system. Additionally, we ensured that all purchased materials meet the highest quality standards and specifications to guarantee optimal performance..

[Audio] We utilized SolidWorks to create three-dimensional models of the machine, incorporating crucial components like the seedling rack, cutting blade, and gear system. Within SolidWorks, we conducted simulations to assess the design's functionality, concentrating on aspects such as stability, planting accuracy, and user-friendliness. Based on the simulation outcomes, we adjusted the design to enhance efficiency and mitigate potential operational problems. Furthermore, we created detailed drawings and schematics serving as blueprints for prototype development..

[Audio] The mechanism analysis was conducted to determine the most effective mechanism for driving the machine. A thorough review of gear ratios was performed to achieve smooth and consistent motion for planting operations. The cutting blade mechanisms were calibrated to achieve the desired planting depth and spacing. Additionally, the feasibility of adding a camshaft-like lobe wheel to control vertical movements was evaluated, ensuring precise seed placement. This analysis ensured that the machine would operate efficiently and effectively, delivering high-quality results..

[Audio] Each individual contributed significantly to the project's success. K.P.A.S.B. Dissanayake ensured the report was well-written and adhered to IEEE standards. He also designed and simulated the machine components using SolidWorks, analyzing their functionality and efficiency. His observations and analysis helped identify potential areas for improvement. W.M.P.P.K. Warnasooriya performed detailed calculations for the gear system, chain configuration, and planting mechanism, guaranteeing the mechanical design met the required precision and efficiency standards. Finally, G.B.E.M.C.K. Wimalasooriya managed the procurement of essential materials and components for the machine. Their collective efforts were crucial to the project's outcome..

[Audio] We will conduct advanced simulations using SolidWorks to analyze the performance of our machine under various operating conditions, examining how it handles stress, motion, and efficiency. Our aim is to refine our design by making adjustments based on these findings. Once we have a final design, we will assemble a fully functional prototype. To guarantee affordability for small-scale farmers, we will also assess the overall production cost. Ultimately, we will identify and implement cost-effective materials without compromising quality..

[Audio] The next steps involve reviewing existing methods and conducting a literature review to identify suitable studies. This enables identification of proposed conceptual designs and optimization of the design approach. Materials are selected and design calculations conducted to develop a solid model using SolidWorks. Necessary items are purchased, the machine fabricated, and its performance tested. A comprehensive report details the findings and results..

[Audio] Calculations are essential in the development of bevel gears. This section defines the classification of bevel gears, explaining the terms used in their description. The pitch angle for bevel gears is calculated, along with proportions for optimal performance. The strength of bevel gears is considered, taking into account forces acting upon them. The design of a shaft for bevel gears is discussed, ensuring efficient transmission of motion..

[Audio] Researchers have been actively exploring innovative solutions to improve agricultural productivity and sustainability. Studies have focused on designing efficient and ergonomic hand tools, as well as developing sustainable agricultural practices. Kumar et al. developed a manual vegetable transplanter for small-scale farming, demonstrating its potential to increase crop yields and reduce labor costs. Smith presented a case study on innovative gear systems for agricultural tools, highlighting their ability to enhance tool efficiency and reduce environmental impact. Brown emphasized the importance of ergonomic design principles for hand tools, emphasizing the need for comfortable and safe user experiences. Patel discussed sustainable agriculture through mechanical innovation, outlining strategies for reducing waste and increasing resource utilization. Lee and Park explored design considerations for small-scale farming equipment, identifying key factors influencing equipment performance and user satisfaction. The Food and Agriculture Organization highlighted the future of smallholder farming in developing countries, underscoring the need for innovative solutions to address pressing challenges. Dissanayake analyzed the challenges of traditional vegetable transplantation in Sri Lanka, providing valuable insights into the complexities of this process. These studies demonstrate the growing recognition of the importance of research and innovation in addressing the needs of small-scale farmers and promoting sustainable agricultural practices..

15. THANK YOU q&a. MAN/20/B1/26 :- G.B.E.M.C.K. Wimalasooriya.