-
8/14/2019 Unit 6 Dimensions & Scales.doc
1/22
UNITS IN THIS COURSE
Mo
duleNo.
3
:BasicTechnic
alDrawings
UnitNo.
6-Dimensions&scales
Page 1/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
2/22
UNIT 1 INDUSTRIAL DRAWINGS.
UNIT 2 ENGINEERING DRAWINGS.
UNIT 3 ORTHOGRAPHIC DRAWINGS.
UNIT 4 ISOMETRIC DRAWINGS.
UNIT 5 P & ID SYMBOLS.
UNIT 6 DIMENSIONS AND SCALES.
Page 2/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
3/22
TABLE O CONTENTS
Mo
duleNo.
3
:BasicTechnic
alDrawings
UnitNo.
6-Dimensions&scales
Page 3/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
4/22
Para Page
!." COURSE OB#ECTI$ES 3
!.1 THE PURPOSE O DIMENSIONS 4
!.2 HOW DIMENSIONS ARE SHOWN 4
!.3 RADII %
!.4 ANGULAR DIMENSIONS %
!.5 CALCULATING DIMENSIONS
!.! THE PURPOSE O SCALES '
!.% WHAT IS A SCALE( '
!. T TA)ING DIMENSIONS ROM A SCALED DRAWING 1"
Page 4/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
5/22
6.0 COURSE OBJECTIVES
Mo
duleNo.
3
:BasicTechnic
alDrawings
UnitNo.
6-Dimensions&scales
Page 5/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
6/22
T*+, -0,e ea+, *e 0ea,, 6*7 +8,0+a 80a6+g, a0e ee8e89 a8
*e8+::e0e 7e, : +8,0+a 80a6+g, 6*+-* a0e ,e8. O*e0 +, + *+, -0,e
g+;e
-
8/14/2019 Unit 6 Dimensions & Scales.doc
7/22
6.1 THE PURPOSE OF DIMENSIONS
Mo
duleNo.
3
:BasicTechnic
alDrawings
UnitNo.
6-Dimensions&scales
Page %/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
8/22
D+
-
8/14/2019 Unit 6 Dimensions & Scales.doc
9/22
D+
-
8/14/2019 Unit 6 Dimensions & Scales.doc
10/22
0e:e0 = *e7 8 -* +.
T*e 8+
-
8/14/2019 Unit 6 Dimensions & Scales.doc
11/22
Mo
duleNo.
3
:BasicTechnic
alDrawings
UnitNo.
6-Dimensions&scales
Page 11/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
12/22
Figre 6!* A F++& Di"e#$i%#e, Dra)i#g
I +g0e !3 a *e 8+
-
8/14/2019 Unit 6 Dimensions & Scales.doc
13/22
Modu
leNo.
3
:BasicTechnical
Drawings
UnitNo.
6-Dimensions&
scales
Page 13/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
14/22
6.* RADII
Ra8++ +, *e 0a : 0a8+,. W*e *e ,0:a-e : a =?e- +, -0;e89 *e -e0e
:*e -0;e +, ,*6 *e 80a6+g a8 *e 0a8+, +, 8+
-
8/14/2019 Unit 6 Dimensions & Scales.doc
15/22
Mo
duleNo.
3
:BasicTechnic
alDrawings
UnitNo.
6-Dimension
s&scales
Page 15/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
16/22
Figre 6! A#g+ar Di"e#$i%#$
6. CALCULATIN DIMENSIONS
A 80ag*,
-
8/14/2019 Unit 6 Dimensions & Scales.doc
17/22
Modu
leNo.
3
:BasicTechnical
Drawings
UnitNo.
6-Dimensions&
scales
Page 1%/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
18/22
L@ a +g0e !!9 F6*+-* +, a ea0ge
-
8/14/2019 Unit 6 Dimensions & Scales.doc
19/22
Modu
leNo.
3
:BasicTechnical
Drawings
UnitNo.
6-Dimensions&
scales
Page 1'/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
20/22
Figre 6!3 Sa+e$
T*e ,-ae : a 80a6+g +, ,a7 ,*6 + *e +e =-@ : *e 80a6+g9
a*g*,
-
8/14/2019 Unit 6 Dimensions & Scales.doc
21/22
Modu
leNo.
3
:BasicTechnical
Drawings
UnitNo.
6-Dimensions&
scales
Page 21/11
-
8/14/2019 Unit 6 Dimensions & Scales.doc
22/22
Be:0e a@+g
