1

2

3

: ....................................................................... 6 : .......................................... 11 12 .................................................................................................................. LINE Zoom 13 ...................................................................................................... Pan 17 ................................................................................................................. Circle 18 .................................................................................................................. Erase .................................................................................................................. 02 20 ............................................................................................................ Polygon .................................................................................................................. 22 22 ............................................................................................................. OSNAP 23 ........................................................................................................ OTRACK 25 .................................................................................................................... Arc .................................................................................................................. 72 27 ............................................................................................................... MText .............................................................................................. 82 28 .................................................................................................................. Move .................................................................................................................. 92

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30 .................................................................................................................. Copy 31 ................................................................................................................ Rotate 32 .................................................................................................................. Scale 33 ................................................................................................................ Mirror 34 ................................................................................................................... Trim 35 .................................................................................................................. Fillet 36 ................................................................................................................... Pedit .................................................................................................................. 04 : ........................................ 14 : .................................................................................. 24 ................................................................................... 34 ................................................................................................. 44 45 ............................................................................................................. Extrude 46 .............................................................................................................. 3d orbit ............................................................................. 74 .................................................................................................................. 05 51 ............................................................................................................. Revolve ..................................................................................................................... 15 .................................................................................................................. 35 ............................................................................. 35 55 ........................................................................................................... Rotate3d

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56 ............................................................................................................. Subtract 1 ................................................................................................................ 85 2 ................................................................................................................ 85 : ........................................................... 06 ...................................................................................................... 16 ....................................................................................................... 46 .......................................................................................................... 76 .................................................................................................................. 17 .................................................................................................................... 57 76 ............................................................................................................... Layout .................................................................... 97

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7

0002 AutoCAD 0002 Start | Programs | AutoCAD Icon ) (Desktop .

Startup .

8

) Start from Scratch ( Metric

OK . .

:1 : ,File, Edit, View, Insert, Format, Tools, Draw, Dimension

Modify,Window, Help. 2 : .

9

. enter . . . 3 : . Modify Draw Standard Toolbar Object

Properties . View ...Toolbars . . Close . . File | New New Standard Toolbar.

Zoom .

01

. 4 : .

. . 5 : . ) (Scroller . . .

11

21

: 1 : .

2 : . : ------------- -------------- LINE . .

. line : 1 line enter . Draw . 2

3 Draw Line . . : command .

31

line . Specify first

: command

: point . enter . 6,2 enter . . . : Specify next point or

:[[Undo . . . enter . Esc . : Zoom Pan

. zoom pan

. zoom. ) . zoom zoom .( .

41

zoom window

.

zoom realtime

. enter Esc . pan . ) standard toolbar zoom

.

realtime .( . enter Esc .

1 . line enter enter .

2 Undo . u enter . ] [ . enter . :> [Inscribed in circle/Circumscribed about circle] 4< Enter number of sides

4 enter 4 > Specify second point of displacement or use 0< Specify the reference angle 48 :Specify the new angle

r enter

23

------------- -------------- Scale . rotate. .

modify scale enter

: Modify | Scale

::Select object

enter . 2/1

:Specify base point

2.1 :]Specify scale factor or [Reference

2/1 . : . 4.13 2.04 . )2.04 (1.28 31.4 . :Specify scale factor or [Reference]: r 4.13 :>1< Specify reference length 2.04 :Specify new length

r enter

33

------------- -------------- Mirror . . . modify mirror enter : modify | mirror

::Select objects

enter

:Specify first point of mirror line :Specify second point of mirror line

:>Delete source objects? [Yes/No] 0000.8< Specify fillet radius

enter. 2 :

0000.8 = Current settings: Mode = TRIM, Radius :]Select first object or [Polyline/Radius/Trim :Select second object

fillet

63

. 8 01 . Radius is too large . .

73

-------------- -------------- Pedit

polyline pline .

fillet arc line polyline .

. pedit polyline .

83

) ( . ) (. . . pedit polyline ) (. ) (Join. modify II pedit enter : Modify | Polyline

::Select polyline

polyline Enter polyline

Object selected is not a polyline

0< Specify angle of taper for extrusion

enter

64

:

.Unable to extrude the selected object

. . ) pedit

.(:Modeling Operation Error .The Draft angle results in a self intersecting body .Unable to extrude the selected object

. .

74

: 3d orbit

) (. Orbit . . . . )1 (

standard toolbar View | 3D

.

. )2 (

84.

. )3 (

94

: ) (Views )(View ports

. ) top( ) Bottom( ) SW Isometric Back Front Right Left ( SE Isometric ) ( NE Isometric NW Isometric

) (top. View | 3D Views .

. . . ...View | Viewports | New Viewports . .

05

Four: Equal : setup 3 D . Preview . ): (Change view to . ok . . . .

15

. .

: . circle . ) .(

25

: ( .

( ). (File | Save ) File | Save

. (...As : pedit )52.84( extrude .

( .

35

------------- -------------- Revolve . extrude .

solids revolve enter

:

Draw | Solids | Revolve

::Select objects

enter

/)Specify start point for axis of revolution or define axis by [Object/X (axis :])Y (axis :Specify endpoint of axis :>063< Specify angle of revolution

enter

: 03 05 08 . : 1 extrude ) 03 05 (. ) subtract ( .

45

2 : revolve

. 01 )01= 2 ((50-30) 08 . 51 )51 = 2 (30 ) (. pedit . revolve . . 063 ) enter 063 (. . .

: revolve . : . line @09>06 . revolve . . pedit revolve 072 . .

55

:

. 7 :1 2 : D Wireframe . 2 3 : D Wireframe . 3 : Hidden . 4 : Flat Shaded - ) ( 5 : Gouraud Shaded . 6 : Flat Shaded, Edges On Flat shaded . 7 : Gouraud Shaded, Edges On Gouraud shaded .

.

View | Shade .

65

------------- -------------- Rotate3d . rotate rotate 09 .

rotate3d . ortho 2 rotate3d .

: Modify | 3dOperation | Rotate3d rotate3d enter

::Select objects

enter

Specify first point on axis or define axis by

][Object/Last/View/Xaxis/Yaxis/Zaxis/2points:Specify second point on axis :]Specify rotation angle or [Reference

enter

75

------------- -------------- Subtract . ) . (. ) (. . .

solids editing subtract enter

:

Modify | Solids Editing | Subtract

: .. Select solids and regions to subtract from:Select objects

) ( enter ) ( enter

.. Select solids and regions to subtract:Select objects

1 : . .

85

2 : move . . move osnap

. )

(.

osnap . move .

95

1 : . ) ( : . .

2 : . ) (

: :

1 extrude. . ) move osnap .( 2 revolve extrude . .

06

16

.

Linetype

:

. ) (.

object properties .

) ByBlock ByLayer (Continuous . load. ...other . | Format

26

Linetype Linetype enter .

...Load . . HIDDEN. OK

. OK .

36

HIDDEN . . .

: 1 HIDDEN object properties . line . . ... . ByLayer . 2 . ) : command( HIDDEN . Esc . : . )2( ) 3( . . ) (Scale . 1 . ) | Format

46

.(Linetype OK .

56

: Dimension

dimension . . 1 : Linear .

: Dimension | Linear dimlinear enter

::>Specify first extension line origin or Specify first extension line origin or