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Precision Crop Cutting System Design Project

Our team's mission is to optimize blade angle, lifter angle/shape, and shroud shape of New Holland disc mower for even cutting and cost savings. We evaluate existing design using TQD and focus on durability and maintenance. Constraints include unchanged power requirement and must fit existing equipment. Our approach involves thorough analysis and testing to enhance mower efficiency and user comfort.

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Precision Crop Cutting System Design Project

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  1. Disc Mower Optimization Team Number: 98.09 Members: Michelle Mattera Joseph Salvia Tiffany Stith Bob Ward Customer: Rich Adams, New Holland Advisor: Dr. Valery Roy Mission: To design, assemble, and test a system which will reduce streaking by optimizing blade angle, lifter angle and shroud shape through testing and analysis. Approach: Using TQD, evaluate and modify existing design based on prioritized wants and constraints.

  2. Customers: • New Holland • Rich Adams : Project Engineer • Ken McLean : Design Engineer • Joe Griffiths : Marketing • Chris Peters : Brim Tractor Co. • Ray Coates : Farmer • OSHA

  3. Benefits of Solution • More even cutting of crops • Cost savings to the end user • Competitive advantage • Increased versatility of the mower • More aesthetically pleasing cut

  4. Mission Statement: • To design, assemble and test a system which will reduce the amount of streaking of the New Holland disc mower by optimizing one of the following: • Blade Angle • Lifter Angle / Lifter Shape • Shroud Shape

  5. Maintain drive train Retrofit capability Minimize cost increase Minimize noise User comfort Dimensions Dimensions, Power Percent of cost dB dB, Vibration Wants: Metrics:

  6. Increase durability No clogging Easy to maintain Resistant to corrosion SAE standard hardware Lifetime of part (hrs) Crop flow rate Down time (hrs) Operation hours Fits standard tools Wants: Metrics:

  7. Customer Constraints • Unchanged power requirement • Must fit within the existing equipment • Tractor cutting speed unchanged. • Adjustable cutting height • Must cut wet or dry crops

  8. Benchmarking / Competitors • Sickle Cutters • Kuhn Farm Machinery, Inc.

  9. Concept Generation • Major Factors • Blade Angle • Lifter Angle • Shroud shape • Method • Velocity profiling with hot wire anemometer

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