dimensioning - wiroj.me.engr.tu.ac.th
TRANSCRIPT
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DIMENSIONING
PLACEMENT OF DIMENSION AND EXTENSION LINES
Arrowhead
(mm.)
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Grouped dimensions.
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Crossing lines.
Arrowhead.
Leaders.
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Dimension figures.
Directions of dimension figures.
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Dimension angles.
Dimension arcs.
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Hole symbol.
Square symbol.
Hole symbol.
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Hole symbol.
Counterbore and spotface symbols.
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Countersink and counterdrilled symbols.
Drilled depth
Finish mark symbol.
Traditional symbol General symbol New symbol
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Surface texture symbol.
Surface texture symbol.
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Surface texture symbol.
L
Surface roughness, Ra.
( ) ( )L
B...BBA...AAR N21N21a
+++++=
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Geometric tolerancing symbol.
Geometric tolerancing symbol.
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Geometric tolerancing symbol.
(related to machingprocesses)
Geometric tolerancing symbol.