Engineering Drawing And Design Chapter 10 Basic Dimensioning Ppt
{"Image DocumentName": "Units of measurement", "Image ImageDescription": "Decimal-Inch parts are designed in basic decimal increments, preferably .02 in, and expressed with a minimum of two figures to the right of the decimal point (fig.8-7) Whole dimensions: NOT 24. Decimal dimensions: .44 NOT 0.44 (no zero before the decimal point) Fractional-Inch is not ANSI recommended. 1/64 inch. not used. Foot-and-Inch All dimensions 12 inches and greater are specified in feet and inches. 24 inches 2\u2019-0 (inch marks not shown) 27 inches 2\u2019-3. SI Metric Units mm or \uf06dm (micrometer) Whole numbers 2 NOT 02 or 2.0 (numbers 1-9 shown without zero to left of decimal) Decimal 0.2 NOT .2 or .20 (numbers <1 shown with a zero) Large numbers (no comma or spaces to separate digits) General note like: unless otherwise specified dimensions are in millimeters.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}