C11 Questions and Answers Already Passed

C11 Questions and Answers Already Passed What are the six activities that are conducted on almost every manufactured product? Design, material selection, process selection, manufacture, inspection and evaluation, and feed back. Materials Processing the way a material is is converted into a useful shape with structure and properties that are optimized for the proposed service environment What are the five basic families of shape production processes? Cite one advantage and limitaion per fam Casting, material removal, deformation processes, consolidation, additive (Pg. 265) Describe the capabilities of the casting process in terms of size and shape of the product you can cast things REALLY big! what are some of the various mold materials and poring methods used in casting Epoxy, concrete, plaster, Sand, how might the desired production quantity influence the selection of a single use or multiple use molding process? size requirements? why is it important to provide a means of venting gases from the mold cavity? so there won't be air bubbles in the final mold what types of problem or defect can occur of the mold material provides too much restraint to the solidifying and cooling metal? if it cools too fast it could become brittle and break. what is a casting pattern? Flask? core? Mold Cavity? Riser? the material needs to get into the mold, and the gas has to get out, you will have a mold cavity in the center. what are some of the components that combine to make up the gating system of a mold? Pour cap, Spruell, runway thing, gates, cast what is a parting line or parting surface? where the mold cuts in half what is draft and why is it used? the amount of taper for molded or cast parts perpendicular to the parting line. what are the two stages of solidification, what occurs during each stage going from liquid to solid why is it that most solidification does not begin until the temp falls somewhat below the equilibrium melting temp? because the two metals start to cool together Chapter 12 .. What are factors that influence the selection of a specific casting process as a means of making a product? Price, and size of the part