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TRAINING ON |AUTOTRAINING ON |AUTO--CAD}CAD}
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What is Auto-CAD ?
CAD = Computer Aided Design
Follows your instructions
Quickly produces the exact drg. you want, or
You would draw them manually
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What are features of Auto-CAD?
To correct drgs. error easily
To make revision without re-doing the entire work
To display information about the drg.
To let you modify the drg. in a variety of ways
To plot any drg. very easily
To provides a set of entities for use in constructing drg.
It produces clean, precise final drg.
It can improves accuracy
It works for you
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What are various Commands of Auto-CAD ?
File
Edit
View
Insert
FormatTools
DrawDimension
ModifyWindow
Help
Command:
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How to operate Commands of Auto CAD ?
Methods
1st Method
Type name of
command
& enter
2nd Method
Choose name of
command from
Command menu.
3rd Method
Choose fly out icon
of desired
command.
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DRAW COMMANDS
Draw
Line
PolylinePolygon
Rectangle
Arc
Circle
Donut
EllipsePoint
Hatch
Text
Ray
Construction line
Multiline
Spline
BlockBoundary Region
3D Polygone
Surface
Solid
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MODIFY COMMNADS
Modify
Erase
Copy
Mirror
OffsetArray
Move
Rotate
Scale
TrimExtent
Break
Fillet
Explode
Stretch
Lengthen
Chamfer
3D Operation
Solids Editing
Solid
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EDIT Commands
Cut (Ctrl + X)
Copy (Ctrl + C)
Copy with base Point (Ctrl+shift+C)
Clear (del)
Select all (Ctrl + A)
Find
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Draw - Point
Draws point/ points as specifiedCommand : Single point/ Multiple point/ Divide/ Measure
Single point : Draw single point as specified
Multiple Point
Specify a pointGo on drawing points. No need of going to single point command
Divide
Select object to divide: suppose a line
Enter no of segments or [Block] 5 (let )
Result it will divide line into 5 equal parts.Measure
Select object to measure: line (let)
Specify length of segment or [Block] 2(let)
Result it measures 2 units and divides the line segments
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Draw - Ray
Creates a semi infinity line
Ray creates semi-infinite lines commonly used as
construction lines. A ray has a finite starting point and
extends to infinity.
From the Draw toolbar, choose the Ray fly out or
At the command prompt , enter Ray
From point: specify a point(1)
Through point :specify the point (2)through which you
want the ray to pass or Enter.Auto CAD draws a ray & continues to prompt for
through pts, enabling you to creates multiple rays. Press
ENTER to End Command.
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Draw Construction Line
Creates a infinity line
Similar to ray
It has a finite Start point & extends to infinite (both sides)
From the Draw toolbar, choose the construction line fly out or
At the command prompt , enter Construction line
From point: Specify a point(1)Through point: Specify the point (2) through which you
want the Construction line to pass or Enter.
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Draw - Line
Creates straight line segment
The Line command creates a line whose endpoints are
specified using two dimensional or three dimensional
Coordinates
From the draw toolbar, choose the line fly out, or
At the command prompt, enter Line
From point : Specify a point or press Enter
To point: Specify a point
To point: Specify a point
Auto CAD draws a line segments and continues the prompt for points, Enablingyou to draw continuous line. However each line segment is a separate object.
Press Enter to End Command.
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Draw Multi Line
Creates 2 or more parallel lines
From the draw toolbar, Chose the fly out, or
At the command prompt, Enter Multiline
Specify start point or [ Justification/ Scale/ Style]Specify Start point, Specify next point or [Undo]
Specify next point, or [close/undo]
Justification: J
Enter Justification type [Top/Zero/Bottom] :
Specify start point or [J/Scale/Style]:
Justification Top ~ Crusher shall be on Top lineIf scale is entered /selected
Enter Mline Scale: 10 (let)
Spacing between line shall be 10 times
If style is entered /selected
Enter m line style name or [?] Standard
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Draw Spline
Draws special lines with closed boundary with specified tangent
Single identity/ object
From the draw toolbar, Chose the fly out, orAt the command prompt, Enter Spline
Specify 1stpoint or [ Object ]:
Specify 2ndpoint :
Specify next point, or [close/Fit Tolerance] :
..
CloseSpecify Tangent:
Result:
Fit Tolerance
It will automatically fit the tolerance
Result:
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Draw - Polyline
Creates 2-D polylines
It is single identity
From the draw toolbar, choose the polyline fly out, orAt the command prompt, Enter polyline
Specify start point:
Specify next point or (Arc/ Halfwidth/Length/Undo/Width
Specify next point or (Arc/ Close/Halfwidth/Length/Undo/WidthArc (Pline)Changes Pline to aec mode, in which you add arc segments to the polylineAngle/ Centre/ Close/ Direction/ Halfwidth/ Line/ Radius/ Second Pt./ Undo/ Width/
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Draw - Polygon
Creates an equilateral closed polyline
A polygon is a polyline object. AutoCAD draws
polylines With zero width and no tangent information .
you can use the PEDIT command to change the values.
From the draw toolbar, choose the polygon fly out, or
At the command prompt, Enter polygon
Number of sides: Specify a point (1) or Enter
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Draw - Rectangle
Draws Rectangle
Specify 1st corner point or [chamfer/elevation/Fillet/Thickness/Width]:
Chamfer
Specify 1st chamfer distance for rectangle: 1 (let)
Specify 2nd chamfer distance for rectangle: 1 (let)
Elevatron
Specify the elevation for rectangle : 1(let)
Specify 1st corner point
Specify 2nd corner point
Result
Fillet
Specify 1st corner
Specify 2nd corner point
ResultThickness
Specify thickness for rectangle For 3-D
Width
Specify width for rectangle
Specify 1st corner point
Specify 2nd corner point
Result
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Draw - Arc
Creates an ArcCommands :
3rdpoints
Start, Center, End
Start, Center, Angle
Start, Center, LengthStart, End, Angle
Start End, Direction
Start, End, Radius
Centre, Start, End
Centre, Start, Angle
Center, Start, Length
Specifies the starting point of Arc,
Specifies the centre of the circle of which an arc is a part.
Specifies the endpoint of the arc
Result
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Draw - Circle
Creates a circleCommands :Center, Radius
Center, Diameter
2 points
3 points
Tan, Tan, Radius
Tan, Tan, Tan
Centre Point: Draws a circle based on a centre point and
Diameter or radius.
Diameter/ specify a point(2), enter a
value, enter d or press Enter.
2P (Circle): Draw a circle based on two endpoints of
the diameter.1st point of diameter: specify a point (1) or enter a value.
2ndpoint on diameter: Specify a point (2) or enter a value.
3rd (Circle): Draw a circle based on three points on the circumference.
1stpoint: specify a point(1) or enter a value
2ndpoint: specify a point(2) or enter a value
3rdpoint: specify a point(3) or enter a value
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Draw - Donut
Draws fill circle and ringUsed to mark a object
From the Draw toolbar, choose the donut fly out, or
At the command prompt, enter donut
Inside Diameter :specify a distance or press enter
(Note : If you specify an Inside Diameter of zero,
the donut is a Filled circle)
Outside diameter specify a distance, or press Ent
Center of doughnut: specify a point (1)
Result : Donut
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Draw - Ellipse
Create an ellipse or an elliptical arc
Command :Ellipse
Center
Axis
EndThe PELLIPSE system variable determines the type of
ellipse created;1 create a polyline representation of an
ellipse and 0 creates a true ellipse object.
From the Draw toolbar, choose the ellipse fly out, or
At the command prompt, enter ellipse
Arc/Center/Isocircle /:Specify a point
or enter an option.
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Draw - Text
To Write Text in the drg.
Command: Text (Multiline text/ Single line text)
Multiline Text : to write text in multiline
Specify 1st corner or [ht./ Justify/line spacing/Rotate/Style/Width]
Specify opposite corner & write multiline text & confirm
Height:Specify ht:
Justify: [TL/TC/TR/ML/MC/MRBL/BC/BR] TL
Line spacing:
Enter line spacing type [At least exactly]:
Rotate:
Specify Rotation Angle:45o (let)
Style:
Enter style name or[?] :
Width
Specify width:5
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Draw - Block
Creates a block definition from a set of objectsCommand :
Block
Make
Select objectsPick Points
OK
Names the block
Note: Block names can be up to 31 character
In length. And can contain letters, digits, and the special
characters dollar sign($), hyphen(-) and underscore(_).
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Draw - Hatch
Fills a selected pattern to a defined boundaryUsed to marked/ identify an object
It is a single identity
Command : Hatch or select hatch fly out
Select desired patternDefine scale
Define angle
Select objects, or
Pick PointsOK
Selected hatch pattern with defined scale & angle shall be filled
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Draw - Boundary
Pick points: Determine a boundary from existing objects that
form an enclosed area. If Island Detection is enable in the
advanced option dialog box , AutoCAD detects objects within the
Outer most boundary as island that are hatched as specified by theHatch style. The boundary hatch dialog box disappears and
auto CAD prompts for points specification.
Select internal point: specify a new point with the area to be
hatched.
Select internal point: specify a point ,enter u or press enter
To enter the last selection ,enter u or undo.
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MODIFY COMMNADS
Modify
Erase
Copy
Mirror
OffsetArray
Move
Rotate
Scale
TrimExtent
Break
Fillet
Explode
Stretch
Lengthen
Chamfer
3D Operation
Solids Editing
Solid
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Modify Commands & their features
Describe the command you will use to Modify or Edit your drg.Using this command one can (Modify) :
Erase objects you have drawn
Retrieve objects you erase inadvertently
Move object to other location
Make copy/multiple copy
Rotate, Enlarge or shrink objects
Create mirror image of existing object
Change the properties (layer, color, etc.) of object
Break the existing object
Trim or extend objects
Creates fillets or chamfersDivide one object into equal part
Explode a block or Polyline
Draw the lines || to existing one
Reverse (Undo) the effect of most drawing & editing commands, etc.
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Entity Selection (Selection Set)
Object selection: (Select object)(Point)= one object
Multiple= Multiple object selected
Last= last object
Previous= All objects in previous selection setWindow=Object within windows
Crossing=Object within or crossing window
Box=automatic crossing
Auto=automatic boxing
Single= One selection (any type)Add=add mode
Remove=remove mode
Undo=Undo remove last
~When you are satisfied with the selection set, Enter Return
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Modify - Erase
Lets you specify entities that you want permanently
removed from the drawing.
Command: ERASE
Select object: L/W/C
After selection is over, confirm/ press enter
(Note.: OOPS command can be used to retrieve the last thing
your erased)
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Modify - Move
To move one and more entities from their present
location in a drawing to a new one without changing
their orientation and size
Command: MOVE
Select object (Show what to move): L/W/C/.
Base point of displacement : Specify 1st
point2ndpoint of displacement : Specify 2nd Point
Result
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Modify - Copy
To copy exiting objects, enter the copy command
It is similar to move command but it places copies
of the selected object at the specified displacement,
leaving the original intact.Copies are oriented and scaled the same as the original.
Command: Copy
Select Objects : (Show what to copy)Base point of Displacement >/Multiple: Specify 1stpoint
2ndpoint of displacement: Specify 2ndpoint
Multiple
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Modify - Mirror
Make mirror images of exiting objects in drawing,
either deleting or retaining the original object.
Command: Mirror
Select objects: Select the object/ objects
1st
point of mirror line: Specify 1st
Point2ndpoint of mirror line : Specify 2nd Point
Delete old object :
Result:
Mirror of Text or AttributesTo get ride of mirror image of text, use Mirror Text
Command by using SETVAR Command
Mirrtext = 0 (for errect)
Mirrtext = 1 (invested)
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Modify -Offset
Used to construct an entity parallel to another entity at
either a specified distance or thro a specified point.
Command: Offset
Offset distance or through :
Select object to offset: Select object
Thro Point: Specify point/ distance
An example of offsetting a polyline using the
Through point method is :
(Note: Offsetting of an entity other than a line,
Area circle or polyline is not possible)
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Modify - Array
Allows you to make multiple copies of selected objects
in a rectangular or polar (circular) pattern.
Format : Array select object:
Rectangular or polar (R/P):
For RNo of column(+/-):No of Rows(+/-):
Space between them:
For P Center point of Array:
No of items in Array:
No of Degrees to fill:
Angle between item in array:
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Modify -Rotate
Move objects about a base point to a desired point
From the modify toolbar, choose the rotate fly out, or
At the command prompt, Enter RotateSelect objects: Use an object selection method
Base point; Specify a Point(1)
/ Reference: Specify an angle or
enter R, or specify a point
Result:
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Modify - Scale
ForUp-Arrow or Down-Arrow size of an object
or objects as per requirement.
Command: Scale
Select object: Select
Specify Base Point: specify as per requirement
Specify scale factor or [reference]: 2 (let)
Result: 2 times
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Modify - Trim
Allows us to Trim/cut/erase part of existing object
w.r.t. a define object in a drawing
Command :TrimSelect objects: Select
Select object to trim: Select
Result:
Ex.:
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Modify - Extend
Allows us to lengthen existing objects in a drawing
so they end precisely at a boundary defined by one
or more other objects in the drawing.
Command: Extend
Select objects:
Select objects to extend:
Result:
Ex.:
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Modify - Break
Erase (Deletes) part of live ,trace, circle,Arcor Polyline or splits the object into twoobject
of same type.
Command :BreakSelect object:
Enter 1stpoint
Enter 2ndpoint
Result:
Ex.:
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Modify - Fillet
Connects two lines, arcs, or circles by means of
a smoothly fitted are of a specified radius
It adjusts the Length of the original lines or arcs,so they end exactly on the fillet arc.
Command: FILLET
Polyline/Radius/
Ex.:
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Modify - Chamfer
Trim two intersecting lines a specified distance from theintersection and connects the trimmed ends with a new
line segment.
Its operation similar toFILLET
Command: ChamferPolyline /Distance/:distance
Chamfering two Lines
Chamfering works by extending two selected lines,
if necessary, until they intersect. It then trims the 1st
lineby the 1st chamfer distance, trims the 2nd
line by 2nd chamfer distance and connects the trimmed
ends with a straight line
Ex.:
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Modify - Stretch
For stretch a part of an object as per requirement.
Command: StretchSelect object: select
Again click the selected object
Then stretch as per requirement
Ex.:
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Modify - Explode
To make fregment of a polyline /polygone/hatch pattern/
Command: Explode
Ex.:
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Thank you
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NEW DESIGNED STOVE - G.A.