Chungnam National University 1

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