FUNDAMENTALS OF METAL CASTING

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Cores in the Mold Cavity •The mold cavity provides the external surfaces of the cast part •In addition, a casting may have internal surfaces, determined by a core, placed inside the mold cavity to define the interior geometry of part •In sand casting, cores are generally made of sand ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Gating System Channel through which molten metal flows into cavity from outside of mold •Consists of a downsprue, through which metal enters a runner leading to the main cavity •At top of downsprue, a pouring cup is often used to minimize splash and turbulence as the metal flows into downsprue ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Page 1 and 2: FUNDAMENTALS OF METAL CASTING •Ov
Page 3 and 4: Figure 10.1 - Classification of sol
Page 5 and 6: Capabilities and Advantages of Cast
Page 7 and 8: Parts Made by Casting •Big parts:
Page 9 and 10: The Mold in Casting •Contains cav
Page 11 and 12: Two Categories of Casting Process 1
Page 13 and 14: Figure 10.2 (b) Sand casting mold
Page 15: Forming the Mold Cavity •Mold cav
Page 19 and 20: Heating the Metal • Heating furna
Page 21 and 22: Solidification of Metals Transforma
Page 23 and 24: Solidification of Pure Metals •Du
Page 25 and 26: Most alloys freeze over a temperatu
Page 27 and 28: •Solidification takes time Solidi
Page 29 and 30: Mold Constant in Chvorinov's Rule
Page 31 and 32: Figure 10.8 - Shrinkage of a cylind
Page 33 and 34: Solidification Shrinkage •Occurs
Page 35 and 36: Directional Solidification •To mi
Page 37 and 38: Figure 10.9 - (a) External chill to

FUNDAMENTALS OF METAL CASTING

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