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

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Presentation on theme: "Reproduction of Tractor Components Senior Design Project Spring ‘07 Charlie Tullis."— Presentation transcript:

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

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6  Predicted Porosity

7 Part #One: Exhaust Valve Cage Manufacturing Plan PartExhaust Head Process Sub- Processe s LocationTools Core making Filling Core wash repairFoundryCore Boxes Sand Mixer daub paste wash Molding Molding Mold washing Coring ClosingFoundryPatterns Wash Files Paste Chaplets Clamps/Weights Pouring Foundry Cleaning/ Inspection Foundry/Ou t SourceSand Blaster Grinders Paint Equip.

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= Actual HB= 321

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

10 Part #One: Exhaust Valve Cage Molding

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13 Part #One: Exhaust Valve Cage Pouring

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15 Part #One: Exhaust Valve Cage Shake Out

16 Part #One: Exhaust Valve Cage Cleaned Parts

17 Part #One: Exhaust Valve Cage Casting Defects Gas defect only ( Blow) Gas defect only ( Blow)

18 Part #Two: Intake/Exhaust Manifold

19 Manufacturing Plan PartIntake/Exhaust Manifold Process Sub- Processes LocationTools Core making Filling Assembly Core wash repairFoundry Core Boxes Sand Mixer daub paste wash Molding Molding Mold washing Coring ClosingFoundry Patterns Wash Files Paste Chaplets Clamps/Weights Pouring Foundry Cleaning/ Inspection Foundry/Out Source Sand Blaster Grinders Paint Equip.

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

21 Part #Two: Intake/Exhaust Manifold  Original Manifold  Manifold Pattern  Follow Board

22 Part #Two: Intake/Exhaust Manifold  Exhaust Core Boxes ( under construction)

23 Part #Two: Intake/Exhaust Manifold  Intake Core blank

24 Part #Two: Intake/Exhaust Manifold  Pin Core Box

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

26 Budget

27 Schedule

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