How is this part made?2.810 Fall 2008Professor Tim GutowskiJassimAlgobandiProcess IdentificationWhat is the product?Loads, environment, annual part volumeWhat is the material?Color, hardness, magnetic, surfaceSurface finishRoughness, tool marks, gate location, trim lineShapeCurvatures, undercuts, internal passages, draft angles, threaded sections, warping, sink marksSizeThickness, aspect ratio, implied size of machine1 2364 57 89101112141315 16171819 2021222325262429282730Melting temperatures0100020003000Zinc, ZnPTFE(Teflon)Tin, Sn; NylonAl, Al alloysCopper,Cu; Bronze; BrassIron,Fe; Carbon Steels; Stainless steelNickel,Ni; Silicon,SiNickel AlloysTitanium,TiPlatinum,PtAlumina, Al2O3Molybdenum, MoSilicon Carbide, SiCTungsten Carbide, WCCubic; Zirconia, ZrO2Tungsten, WMelt temperature for crystalline metals and ceramics and semi crystalline thermoplastic polymers[°°°°C]Hardness 010002000300070008000Zirconia, ZrO2Quartz,SiO2Maraging SteelTungsten,WAluminum AlloyPolymersTungsten carbide,WCTitanium carbide,TiCBoron carbide, B4CAlumina,Al2O3Diamond,C[Kg/mm2]Hardness values for some ceramics, metals, and polymers. (ref.
View Full Document
Unlocking...