Fundamentals of Position Tolerance |
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Common terms and phrases
allowable position tolerance allowable tolerance assembly balanced tolerances bilateral tolerance BOUNDARY OR VIRTUAL CAGED NUTS carriage bolt Chapter clearance hole component convenient datum coordinate counterbore critical holes critical size D max datum features datum planes datum reference datum surfaces datum tolerance determined deviations diameter dimensional erance F₁ fastener height feature locations feature size fixed fastener Formula functional datum functional gaging gage features Graphic Science H₁ hole alignment hole location hole pattern hole sizes HOLES POSN TOL illustrates Inner limit jig borer keyway layout Material Condition mating minimum effective MMC critical MMC hole modified paper gage mounting hole Outer limit pattern location dimensions pilot hole piloted fastener pins position tolerance specification projected height round hole Sandia Corporation shown in Fig Solution square hole standard SURFACE PLATE TADD tapped holes thread tion tolerance value true position virtual size