Manufacturing - Download Now DOC

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					                           Widget Design Guide
Aesthetics
Blue paint.

Manufacturing
       Plans for Each Part

       Base, L Block, Angled Block,
       and Small Block
            The base, L block, angled block and small block will be milled. Holes will
            be spot faced, center drilled and drilled on a universal milling machine.

       Presumed Process Capabilities

                 Process        Min Tolerances         Geometric Restrictions
              Milling          +/- .05 inches        No sharp inside corners
                                                      No small detail in narrow
                                                       deep locations

       Minimum Assembly Clearances

                         Parts              Min Clearances
              Base, L Block, and Angeled .0163 inches
              Block vs. Screws
              Base and Small Block vs.   -.0306 inches
              Dowell Pin

              Calculations

                    Base, L Block, and Angeled Block vs. Screws
                    ¼ - 20 x 5” screws through .2813 +/- .01 holes.
                    T=H-F
                    Where H=.2813 - .01= .2713
                    T=.2713 - .2550 =.0163
                    Base and Small Block vs. Dowell Pin
                    Base and Small Block hole is .3125 +/-.01, MMC .3025, LMC .3225
                    Dowell Pin is .3281 ±.005, MMC .3331 LMC .3231”
                    Min Clear = MMC hole – MMC . pin = .3025 - .3331 = -.0306

				
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posted:8/19/2012
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