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Reproduction of Tractor Components

Reproduction of Tractor Components. Senior Design Project Spring ‘07. Charlie Tullis. Part #One: Exhaust Valve Cage. 1914 McCormick 8-16 Mogul Tractor Problem: Customer missing part. Part #One: Exhaust Valve Cage. Original International Harvester Corp. Final Part prints.

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Reproduction of Tractor Components

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  1. Reproduction of Tractor Components Senior Design Project Spring ‘07 Charlie Tullis

  2. Part #One: Exhaust Valve Cage • 1914 McCormick 8-16 Mogul Tractor • Problem: Customer missing part

  3. Part #One: Exhaust Valve Cage • Original International Harvester Corp. Final Part prints

  4. Part #One: Exhaust Valve Cage

  5. Part #One: Exhaust Valve Cage

  6. Part #One: Exhaust Valve Cage • Predicted Porosity

  7. Part #One: Exhaust Valve Cage

  8. Part #One: Exhaust Valve Cage Metallurgy • Total Carbon =3.57% • Silicon =3.37% • Cu =? • Cr =.02% • Mo =.01% • P =.89% Desired Brinell Hardness HB=170-200 Actual HB= 321

  9. Part #One: Exhaust Valve Cage Grey Iron 80% type A graphite 20% type D&E

  10. Part #One: Exhaust Valve CageMolding

  11. Part #One: Exhaust Valve CageMolding

  12. Part #One: Exhaust Valve CagePouring

  13. Part #One: Exhaust Valve CagePouring

  14. Part #One: Exhaust Valve CageShake Out

  15. Part #One: Exhaust Valve CageCleaned Parts

  16. Part #One: Exhaust Valve CageCasting Defects • Gas defect only ( Blow)

  17. Part #Two: Intake/Exhaust Manifold

  18. Part #Two: Intake/Exhaust Manifold

  19. Part #Two: Intake/Exhaust Manifold • Metallurgy • C =3.66% • Si =1.6% • Ni =0.9% • Cr =0.85% • Mo =0.65% • Cu =0.35%

  20. Original Manifold Manifold Pattern Follow Board Part #Two: Intake/Exhaust Manifold

  21. Part #Two: Intake/Exhaust Manifold • Exhaust Core Boxes ( under construction)

  22. Part #Two: Intake/Exhaust Manifold • Intake Core blank

  23. Part #Two: Intake/Exhaust Manifold • Pin Core Box

  24. Inspection Process • Solid walls • Inclusions • Surface defects (rat tails, buckles, burn on) • Pin holes • Cold laps • Inspection tools • Visual • Pressure test • Ultrasonic imaging

  25. Budget

  26. Schedule

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