MECHANICAL ASSEMBLY

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Reasons for Molding Inserts andExamples of Applications•Insert has better properties than molded or castmaterial•Insert geometry is too complex or intricate toincorporate into the mold•Examples of applications:Internally threaded bushings and nutsExternally threaded studsBearingsElectrical contacts©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Integral FastenersComponents are deformed so they interlock as amechanically fastened joint•Methods include:Lanced tabsSeamingBeading©2002 John Wiley & Sons, Inc. M. P. Groover, “Fundamentals of Modern Manufacturing 2/e”
Page 1 and 2: MECHANICAL ASSEMBLY•Threaded Fast
Page 3 and 4: Products of Mechanical Assembly•M
Page 5 and 6: Reasons Why Mechanical Assembly isO
Page 7 and 8: Screws, Bolts, and NutsScrew - exte
Page 9 and 10: Some Facts About Screws and Bolts
Page 11 and 12: Types of Screws•Greater variety t
Page 13 and 14: Self-Tapping Screws•Designed to f
Page 15 and 16: Figure 33.6 - Screw thread inserts:
Page 17 and 18: Figure 33.8 - Types of washers: (a)
Page 19 and 20: Figure 33.9 - Typical stresses acti
Page 21 and 22: Tools and Methods for ThreadedFaste
Page 23 and 24: RivetsUnthreaded, headed pin used t
Page 25 and 26: Rivets -Applications and Advantages
Page 27 and 28: Interference FitsAssembly methods b
Page 29 and 30: Shrink and Expansion FitsAssembly o
Page 31 and 32: Figure 33.13 - Snap fit assembly, s
Page 33 and 34: Figure 33.14 - Retaining ring assem
Page 35 and 36: StaplingPreformed U-shaped staples
Page 37: Placement of a component into a mol
Page 41 and 42: SeamingEdges of two separate sheetm
Page 43 and 44: DFA Guidelines•Use modularity in

MECHANICAL ASSEMBLY

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