Dimensioning, Gaging, and Measuring

TABLE OF CONTENTS629 DRAFTING PRACTICES630 ANSI Drafting Practices630 Sizes of Drawing Sheets630 Symbols for Section Lining 630 geometric Dimensioning633 ANSI and ISO Symbols634 Definitions638 Datum Referencing640 Positional Tolerance642 Checking DrawingsALLOWANCES AND TOLERANCES FOR FITS645 Basic Dimensions645 Tolerances647 Force fits648 Expansion and Shrinkage Fits649 Temperatures for Shrinkage Fits651 ANSI Standard Limits and Fits651 Definitions652 Preferred Basic Sizes652 Standard Tolerances652 ANSI Standard Fits656 Modified Standard Fits658 Running and Sliding Fits 660 Clearance Locational Fits662 Transition Locational Fits 665 ANSI Metric Limits and Fits665 Definitions666 Tolerances Designation667 Preferred Metric Fits670 Hole Basis Fits670 Clearance Fits672 Transition and Interference Fits674 Shaft Basis Fits674 Clearance Fits676 Transition and Interference Fits 678 Gagemakers Tolerances 679 ISO Metric Limits and Fits680 Definitions680 Calculated Limits of Tolerance682 Tolerance for Selected Holes 682 Tolerance for Selected Shafts 683 Clearances 685 Deviations for Shafts 687 Deviations for Holes 689 Preferred Numbers689 ANSI Preferred Numbers690 Preferred Metric SizesMEASURING INSTRUMENTS AND INSPECTION METHODS692 Verniers and Micrometers693 Dual Metric-Inch Vernier695 Metric Micrometer695 Sine-bar695 Types of Sine-bars696 Setting a Sine-bar697 Using Sine-bar

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.

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  Dimensioning, Tolerancing, Geometric, Geometric dimensioning and tolerancing

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