Inside Track - Tech Apps: Green Sand Casting

10 Questions | Total Attempts: 64

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Chemical Reaction Quizzes & Trivia

Questions and Answers
  • 1. 
    What type of sand casting is FDM best suited for and documented with?
    • A. 

      Dry sand casting

    • B. 

      Green sand casting

    • C. 

      Winker sand casting

    • D. 

      All sand casting

  • 2. 
    Traditionally green sand casting patterns are manufactured how?
    • A. 

      Hand carved from wood

    • B. 

      CNC machined from wood or metal

    • C. 

      SLA system produce patterns

    • D. 

      All of the above

  • 3. 
    Typical benefits of FDM vs. traditional processes for sand casting patterns include:
    • A. 

      50 – 75% time savings

    • B. 

      50 – 75% cost savings

    • C. 

      Enabling rapid design / iteration changes

    • D. 

      Allows low-volume jobs

    • E. 

      All of the above

  • 4. 
    For draws greater than one inch (25.4mm) it is recommended to increase the width of all features to larger than what size?
    • A. 

      0.1” (2.5mm)

    • B. 

      0.5” (13mm)

    • C. 

      1.0” (25mm)

    • D. 

      2.0” (50mm)

  • 5. 
    What are the most important factors to consider when orienting the STL in Insight/Catalyst?
    • A. 

      Part compressive strength

    • B. 

      Surface finish

    • C. 

      Build speed only

    • D. 

      A & B

    • E. 

      All of the above

  • 6. 
    What build style is best suited when mechanical compression of the green sand is used?
    • A. 

      Custom sparse setting

    • B. 

      Sparse double-dense

    • C. 

      Solid

    • D. 

      All of the above

  • 7. 
    If high compressive forces are used in the molding process, what materials may be best suited?
    • A. 

      ABS-M30

    • B. 

      ABS-M30i

    • C. 

      PC-ABS

    • D. 

      ULTEM 9085

  • 8. 
    What finishing techniques are acceptable for FDM green sand casting patterns
    • A. 

      Auto body fillers

    • B. 

      Hand sanding

    • C. 

      Finishing Touch Smoothing Station

    • D. 

      B & C

    • E. 

      All of the above

  • 9. 
    To aid mold release, what top coats are recommended?
    • A. 

      Primer paint

    • B. 

      Silcone lubricant

    • C. 

      Master Foundry – Kote

    • D. 

      Any standard top coat used for wooden patterns

    • E. 

      A & B

    • F. 

      C & D

  • 10. 
    FDM green sand casting patterns have been tested up to what pressures using ABS-M30 (solid parts)?
    • A. 

      100psi

    • B. 

      700psi

    • C. 

      1700psi

    • D. 

      3400psi