Dimensioning, Gaging, and Measuring

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TABLE OF CONTENTS629DRAFTING PRACTICES630ANSI Drafting Practices630Sizes of Drawing Sheets630Symbols for Section Lining 630Geometric Dimensioning633ANSI and ISO Symbols634Definitions638Datum Referencing640Positional Tolerance642Checking DrawingsALLOWANCES AND TOLERANCES FOR FITS645Basic Dimensions645Tolerances647Force fits648Expansion and Shrinkage Fits649Temperatures for Shrinkage Fits651 ANSI Standard Limits and Fits651Definitions652Preferred Basic Sizes652Standard Tolerances652ANSI Standard Fits656Modified Standard Fits658Running and Sliding Fits 660Clearance Locational Fits662Transition Locational Fits 665 ANSI Metric Limits and Fits665Definitions666Tolerances Designation667Preferred Metric Fits670Hole Basis Fits670Clearance Fits672Transition and Interference Fits674Shaft Basis Fits674Clearance Fits676Transition and Interference Fits 678Gagemakers Tolerances 679 ISO Metric Limits and Fits680Definitions680Calculated Limits of Tolerance682Tolerance for Selected Holes 682Tolerance for Selected Shafts 683Clearances 685Deviations for Shafts 687Deviations for Holes 689 Preferred Numbers689ANSI Preferred Numbers690Preferred Metric SizesMEASURING INSTRUMENTS AND INSPECTION METHODS692 Verniers and Micrometers693Dual Metric-Inch Vernier695Metric Micrometer695 Sine-bar695Types of Sine-bars696Setting a Sine-bar697Using Sine-bar Tables698Measuring Tapers with V-block698Dimens

ISO geometric dimensioning and tolerancing practices. Geometric dimensioning and tolerancing provides a comprehensive system for sym- bolically defining the geometrical tolerance zo ne within which features must be contained.

  Dimensioning, Tolerancing, Geometric, Geometric dimensioning and tolerancing