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2006 04 4.0
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location and run-out
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(Symbol)
(Reference)
m 5.4.1
k 5.4.2
h 5.4.3
u 5.4.4
w 8.2.1.2
t 8.2.1.1
i 6.3.1
s 6.3.2
e 6.3.2
q 7.2
j 7.6.4
j
p 7.7.2
v 9.4.1
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(Application)
(Type of
Tolerances)
(Characteristics)
Geometric Characteristic Symbols (ASME Y14.5-2009)
Parallelism
Perpendicularity
Angularity
Profile of a Surface
(ISO Profile any surface)
Total run-out
Circular run-out
Symmetry
Coaxiality(for axes)
ISO . ASME .
Concentricity(for centre points)
Position
Individual or
Related Features
Profile
Runout
Location
Circularity (ISO Roundness)
Flatness
Straightness
Profile of a line
(ISO Profile any line)
Cylindricity
Form
Orientation
Individual
Features
Related Features
www.dukin.co.kr- 63 -
(Symbol)Datum Needed
Straightness m No
Flatness k No
Roundness h No
Cylindricity u No
Profile any line w No
Profile any surface t No
Parallelism e Yes
Perpendicularity s Yes
Angularity i Yes
Profile any line w Yes
Profile any surface t Yes
Position q Yes or No
Concentricity(for centre points) j Yes
Coaxiality(for axes) j Yes
Symmetry p Yes
Profile any line w Yes
Profile any surface t Yes
Circular run-out v Yes
Total run-out o Yes
Symbols for Geometrical Characteristics (ISO 1101:2004)
(Tolerances)(Characteristics)
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