:- 1- . . 2- . 3- . , . :-
) ( ) (FRONT .
:- 54 . . . TYPES OF SECTIONS :- 1- .FULL SECTION AA .. BB
FULL SECTION FRONT FULL SECTION SIDE VIEW FULL SECTION TOP
HALF SECTION.
-2
HALF SECTION FRONT HALF SECTION SIDE VIEW HALF SECTION TOP
OFFSET SECTION.
3-
PARTIAL SECTION
4- 5- 6- 7- REMOVED SECTION
CUTTING PLANE LINECutting plane line is an edge view of the
cutting plane.Indicate the path of cutting plane.
.... EX AM P LE : Advantage of using a section view.
....
HALF SECTION VIEWA center line is used to separate the sectioned
half from the unsectioned half of the view. Hidden line is omitted
in unsection half of the view.
REVOLVED SECTION VIEWBasic concept
REVOLVED SECTION VIEWSteps in constructionGiven
Step 3a. Draw the revolved section. b. Add section lines.
EXAMPLE : SPOKE
Misleading impression
Example : Aligned section ofKeyway Example : Spoke &
keyway
Example : Ribs & Holes
DIMENSIONING THREADED HOLEUse local note to specify 1. Tap drill
size 2. Drill depth 3. Thread form 4. Nominal size 5. Pitch 6.
Thread depth8.50 Drill, 20 Deep, M10 Tapped, 15 Deep
Let s think togetherWhat is the mistake in the following use of
stud ?
....
A A A ( A 1 ) AA
1 .... ) ( FRONT !!!! AA ..........
B
B
(
2 ) BB
2 .... ) ( TOP !!!! BB ..........
!!! ....)1( : ... )2( : *
. . * . * ) ( . )3( : * . * .
....1- ... 2- . . .
.
:- ...
........ ) ( .
FRONT
.... )
( . .
.
TOP A A ) ( ... ... .
) : ) ( ) ( . . ... :-
1 , ) ( FRONT AA
:- AA ) ( T FRON . .
2 :- , BB
3:- , ) ( TOP CC
4:- , ) ( AA BB CC
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