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치수 기입법DIMENSIONING
Lesson 8
치수 기입 기초
치수 기입 규칙
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BASICS
Define geometric characteristics: length, diameters, angles, and locations.
Dimensions must be clear and concise, and permit only one interpretation
Means to indicate dimensions
Dimension lines, extension line, dimension
Elements of dimensioning
dimension(치수숫자), dimension line(치수선), extension line(치수보조선), leader(지시선), local note, general note(기록)
Dimension line
==>Use THIN line
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BASICS
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BASICS
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BASIC DIMENSIONING
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BASIC DIMENSIONING
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BASIC RULES FOR DIMENSIONING
Place dimensions between the views when possible
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Place the dimension line for the shortest length, width
or height the outline of the object. Parallel dimension
lines are placed in order of their size, making the
longest dimension line the outermost.
BASIC RULES FOR DIMENSIONING
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Place dimensions near the view that best shows the
characteristic contour of shape of the object.
BASIC RULES FOR DIMENSIONING
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Use only one system of dimensions, either the unidirectional
or the aligned
BASIC RULES FOR DIMENSIONING
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DIMENSIONING FORMED PARTS
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DIMENSIONING IN LIMITED SPACES
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DIMENSIONING ANGULAR UNITS
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LEADERS (지시선)
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DIMENSIONING CHAMFERS (모따기)
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DIMENSIONING HOLES
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DIMENSIONING HOLES
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ABBREVIATIONS
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ABBREVIATIONS
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RADII
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RADII