10_Basic_Dimensioning_Guidelines_Rev_2016-03-11

10_Basic_Dimensioning_Guidelines_Rev_2016-03-11 - 10 BASIC...

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10 BASIC DIMENSIONING GUIDELINES * 1. Do not over-dimension or under-dimension an object. Every object must be completely and uniquely described, so that any distance or angle related to the object can be found, but only in one way . 2. Each dimension should be placed in a descriptive or characteristic view where the corresponding component may be seen clearly. 3. Dimensions should be located outside the boundaries of the object and placed between views whenever possible. 4. Dimension lines should be aligned and grouped where possible to promote clarity and uniform appearance. 5. Do not cross dimension lines with extension lines or other dimension lines (note that extension lines may cross other extension lines). 6. When symmetry is used to reduce dimensioning complexity, a note must be added describing precisely the location of the axis of symmetry. 7. Avoid dimensioning to a hidden line . 8. Hole and Arc Details: A. Diameters (for circular features of 360 degrees) are dimensioned with a numerical value preceded by the diameter symbol (Ø) e.g. Ø 5.0
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  • Spring '16
  • Dr. Bixler
  • diameter, Dimension lines, BASIC DIMENSIONING GUIDELINES

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