FUNDAMENTALS OF METAL CASTING

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Overview of Casting Technology •Casting is usually performed in a foundry Foundry = factory equipped for making molds, melting and handling molten metal, performing the casting process, and cleaning the finished casting •Workers who perform casting are called foundrymen ©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
The Mold in Casting •Contains cavity whose geometry determines part shape Actual size and shape of cavity must be slightly oversized to allow for shrinkage of metal during solidification and cooling Molds are made of a variety of materials, including sand, plaster, ceramic, and metal ©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: Parts Made by Casting •Big parts:
Page 11 and 12: Two Categories of Casting Process 1
Page 13 and 14: Figure 10.2 (b) Sand casting mold
Page 15 and 16: Forming the Mold Cavity •Mold cav
Page 17 and 18: Gating System Channel through which
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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