Drafting of various geometries using Chamfer, Fillet tool in AutoCad

Commands used in this challenge are

• Line
• Circle
• Rectangle
• Copy
• Mirror
• Offset
• Trim
• Polygon
• Point
• Rotate
• Fillet

DIAGRAM 1

Aim: To draw the given figure using AutoCAD

Procedure:

Open grid and snap settings

• Change snap and grid spacing to 1
• Change major line every grid line to 10
• Turnoff adaptive grid

Step 1: Drawing outer box

Type ‘L’ or line in command box or select line from the draw tool bar

• Specify first point: Type (0,0) and press enter
• Specify next point: Type 4 and press enter
• Specify next point: Type @ 2.12<45 and press enter
• Specify next point: Type @ 2.83<135 and press enter
• Specify next point: Type 2 and press enter
• Specify next point (Close: Exit: Undo): Press close to complete the box

Step 2: Drawing bottom Inner circle

Type ‘C’ or Circle in the command box or select circle from the draw toolbar

• Specify center point for circle: Type (1.5,1) and press enter
• Specify radius of circle or Diameter: Press diameter and type 1.2 and press enter

Step 3: Drawing top Inner circle

Type ‘C’ or Circle in the command box or select circle from the draw toolbar

• Specify center point for circle: Type (1.5,2.5) and press enter
• Specify radius of circle or Diameter: Press diameter and type 0.8 and press enter

Result:

The resultant figure is as follows with dimensions

Notes:

• All dimensions are in meter

DIAGRAM 2

Aim: To draw the above figure using AutoCAD

Procedure:

Create an imperial drafting sheet

Open grid and snap settings

• Change snap and grid spacing to 1’
• Change major line every grid line to 10’
• Turnoff adaptive grid

Step 1: Drawing right side of figure

Type ‘L’ or line in command box or select line from the draw tool bar

• CLICK THE FIRST POINT
• Specify first point: Type 8 and press enter
• Specify next point: Type 1'9" and press enter
• Specify next point: Type @ 2’10” <225 and press enter

Step 2: Drawing left side of figure

Type ‘L’ or line in command box or select line from the draw tool bar

• Specify first point: Turn on Osnap and select the top left end point or start point
• Specify next point: Type -2’5”and press enter IN -VE Y AXIS.
• Specify next point: Type @ 3’ <300 and press enter
• Specify next point: Type @ 2’6” <30 and press enter
• Specify next point (Close: Exit: Undo): Turn on Osnap and select the last end point drawn in last step

Result:

The resultant figure is as follows with dimensions

Notes:

• All dimensions are in feet and inches
• Included angles are calculated manually

DIAGRAM 3

Aim: To draw the above figure using AutoCAD

Procedure:

Open grid and snap settings

• Change snap and grid spacing to 1’
• Change major line every grid line to 10’
• Turnoff adaptive grid

Step 1: Drawing outer box

Type ‘L’ or line in command box or select line from the draw tool bar

• Specify first point: Type (9,5) and press enter
• Specify next point: Type @ 0, -1’6” and press enter
• Specify next point: Type @ -5’0.1”,0 and press enter
• Specify next point: Type @ 0, 3’3” and press enter
• Specify next point: Type @ 2’6.5”,0 and press enter
• Specify next point (Close: Exit: Undo): Press close to complete the box

Step 2: Creating points for inner circle

Type PDMODE and press enter and type 3 and press enter

Type ‘po’ or point in command box and press enter

Turn on polar tracking

• Keep the curser on bottom left corner of the box and then move is right side of that point for polar tracking and type 1’3” and press enter
• Keep the cursor on the last point created and move it up for polar tracking and type 1’6” and press enter

Step 3: Drawing Inner circle

Type ‘C’ or Circle in the command box or select circle from the draw toolbar

• Specify center point for circle: Turn on Osnap and click on the point created for circle center
• Specify radius of circle or Diameter: Press diameter and type 1’6” and press enter

Result:

The resultant figure is as follows with dimensions

Notes:

• All dimensions are in feet and inches
• Included angles are calculated manually

DIAGRAM 4

Aim: To draw the above figure using AutoCAD

Procedure:

Open grid and snap settings

• Change snap and grid spacing to 1
• Change major line every grid line to 10
• Turnoff adaptive grid

Step 1: Drawing outer box

Type ‘L’ or line in command box or select line from the draw tool bar

• Specify first point: Type (1,1) and press enter
• Specify next point: Type @ 3,0 and press enter
• Specify next point: Type @ 0, -05 and press enter
• Specify next point: Type @ 2.5,0 and press enter
• Specify next point: Type @ 0,2.5 and press enter
• Specify next point: Type @ -2,0 and press enter
• Specify next point: Type @ 0,3 and press enter
• Specify next point: Type @ -2.5,0 and press enter
• Specify next point: Type @ 0, -2 and press enter
• Specify next point: Type @ -1,0 and press enter
• Specify next point (Close: Exit: Undo): Press close to complete the box

Result:

The resultant figure is as follows with dimensions

Notes:

• All dimensions are in meter

DIAGRAM 5

Aim: To draw the above figure using AutoCAD

Procedure:

Open grid and snap settings

• Change snap and grid spacing to 1
• Change major line every grid line to 10
• Turnoff adaptive grid

Step1: Drawing rectangle

Type ‘rec’ or rectangle in the command box or select rectangle from the draw toolbar

• Specify first corner point: Type (10,10) and press enter
• Specify other corner point or [ Area: Dimension: Rotation]: Click on dimensions
• Specify length for rectangle: Type 11.5 and press enter
• Specify width for rectangle: Type 6 and press enter and set the direction as first quadrant

Step 2: Drawing geometric center on the rectangle and the geometric center of left rectangle

Type ‘L’ or line in command box or select line from the draw tool bar

• Specify first point: Type (13,10) and press enter
• Specify next point: Turn on perpendicular in Osnap and select the perpendicular point on opposite side of rectangle

Type PDMODE and press enter and type 3 and press enter

Turn on polar tracking

Turn on OSNAP and select center and geometric center

Type ‘po’ or point in command box and press enter

• Specify a point: Select the geometric center of the rectangle

Type ‘po’ or point in command box and press enter

• Specify a point: Select the geometric center of the left rectangle

Step 3: Drawing left side holes of figure and center hole

Type ‘C’ or Circle in the command box or select circle from the draw toolbar

• Specify center point for circle: Turn on Osnap and click on the point as geometric center of rectangle
• Specify radius of circle or Diameter: Press diameter and type 3 and press enter

Type ‘C’ or Circle in the command box or select circle from the draw toolbar

• Specify center point for circle: Turn on Osnap and click on the point as geometric center of left rectangle
• Specify radius of circle or Diameter: Press diameter and type 1 and press enter

Type ‘C’ or Circle in the command box or select circle from the draw toolbar

• Specify center point for circle: Turn on Osnap and click on the point as geometric center of left rectangle
• Specify radius of circle or Diameter: Press diameter and type 2 and press enter

Step 4: Creating mirror image the holes and left rectangle

Type ‘mi’ or mirror in the command box and press enter or select mirror from the modify tool bar

• Select objects: Select the left rectangle, center point created and two circle holes and press enter
• Select first point of mirror line: Select the geometric center of the main rectangle
• Select second point of the mirror line: Turn on Orthomode and Select any edge along the length
• Erase source object [ Yes: No]: Click on No

Result:

The resultant figure is as follows with dimensions

Notes:

• All dimensions are in meter

DRAWING 6

IM:

To draw the given drawing using AutoCAD software

PROCEDUE :

STEP 1 :

• In the command prompt type Units >type> decimal > precesion > 0.0

STEP 2: (RECTANGLE AT THE RIGHT )

• In the command prompt type line
• In the command prompt type distance 1.5
• In the command prompt type distance 1.5
• In the command prompt type distance 1.5
• In the command prompt type distance 1.5
• In the command prompt type offset
• In the command prompt type offset distance 0.5
• With the help of offset get a horizontal line of distance 0.5
• With the help of offset get two vertical line of each distance 0.5

STEP 3: (RECTANGLE AT THE TOP )

• In the command prompt type line
• In the command prompt type distance 2.0
• In the command prompt type distance 1.5
• In the command prompt type distance 2.0
• In the command prompt type distance 1.5
• In the command prompt type offset
• In the command prompt type offset distance 0.5
• With the help of offset get a vertical line of distance 0.5
• With the help of offset get two horizontal line of each distance 0.5

STEP 3 : ( DRAWINGT AT THE CENTRE )

• Extended the horizontal lines from the right rectagular drawing
• Extended the vertical lines from the top rectangular drawing
• With the help of line command join the intersecton points
• And trim the extras with the help of trim command

DRAWING 7

AIM:

To draw the given drawing using AutoCAD software

PROCEDUE :

STEP 1 :

• In the command prompt type Units >type> decimal > precesion > 0.0

STEP 2:

• In the command prompt type line
• In the comman prompt type distance 100
• In the command prompt type distance 210
• In the command prompt type distance 75
• In the command prompt type fillet
• In the command prompt type radius > 15.0
• select the 100 line and 210 line
• select the 210 line and 75 line

STEP 3 :

• From the end point of 100 draw a horizontal line of 70
• In the menu bar click circle > centre , radius
• center is the midpoint of the previous line and radius is 35
• In the menu bar click circle > centre , diameter
• centre is the centre of the previous circle (R35) and diameter is 50
• From the end point of line 70 draw a vertical line of 40 .

STEP 4 :

• From the end point of 75 draw a horizontal line of 50
• In the menu bar click circle > centre , radius
• center is the midpoint of the previous line and radius is 25
• In the menu bar click circle > centre , diameter
• centre is the centre of the previous circle (R25) and diameter is 30
• From the end point of line 50 draw a vertical line of 15 .
• Close the gap with the help of the line

STEP 5 :

• In the command prompt type fillet > radius > 20
• select the two lines to get the curve
• In the command prompt type fillet > radius > 6
• select the two lines to get the curve

STEP 6:

• At a distance of 20 from the left top corner and 10 from the top (specify starting point )
• From that point with the help of the rectangular command draw a rectangle with dimensions 70and 30
• offset the rectangle at a distance of 30 with the help of offset command

RESULT:

DIAGRAM 8

AIM:

To draw the given drawing using AutoCAD software

PROCEDUE :

STEP 1 :

• In the command prompt type Units >type> decimal > precesion > 0.000

STEP 2: ( left side )

• In the command prompt type line > distance > 8.550
• In the menu bar > circle > centre , diameter
• centre is the end point of line 8.550 and diameter is 0.90
• In the menu bar > circle > centre , radius
• centre is the end point of line 8.550 and radius is 0.90

STEP 3:(right side )

• In the menu bar > circle > centre , diameter
• centre is the end point of line 8.550 and diameter is 0.90
• In the menu bar > circle > centre , radius
• centre is the end point of line 8.550 and radius is 0.90

STEP 4 :

• In the menu bar > circle > centre , diameter
• centre is the midpoint of line 8.550 and diameter is 50
• In the menu bar > circle > centre , radius
• centre is the midpoint of line 8.550 and diameter is 40

STEP 5:

• Join the tangets of the outer circle with helpof lines and trim the extras

RESULT:

DRAWING 8

AIM:

To draw the given drawing using AutoCAD software

PROCEDUE :

STEP 1 :

• In the command prompt type Units >type> engineering > precesion > 0.0

STEP 2: ( left side )

• In the command prompt type line > distance > 32'-6"
• In the menu bar > circle > centre , diameter
• centre is the end point of line 32'-6" and diameter is 8'

STEP 3:(right side )

• In the menu bar > circle > centre , diameter
• centre is the end point of line 32'-6" and diameter is 9'

STEP 4 : (DOWN ARC)

• In the menu bar > circle > centre , diameter
• centre is the end point of line 32'-6" and diameter is 32'-6" (LS)
• In the menu bar > circle > centre , diameter
• centre is the end point of line 32'-6" and diameter is 32'-6" (RS)
• Point where two circles are intersecting (bottom) raw a circle with radius 32'-6"
• Thus arc is formed now trimmed the extras

STEP 5 : (UP ARC )

• In the menu bar > circle > centre , diameter
• centre is the end point of line 32'-6" and diameter is 33'-8" (LS)
• In the menu bar > circle > centre , diameter
• centre is the end point of line 32'-6" and diameter is 32'-8" (RS)
• Point where two circles are intersecting (bottom) raw a circle with radius 41'-8"
• Thus arc is formed now trimmed the extras

RESULT:

DIAGRAM 9

AIM:

To draw the given drawing using AutoCAD software

PROCEDUE :

STEP 1 :

• In the command prompt type Units >type> decimal > precesion > 0.0

STEP 2 :

• In the command prompt type rec > dimensions > 5 >5
• offset the recangle and rotate it to the diamond shape
• using offset command offset rectangle and diamond

STEP 3 :

• Using trim command trim out the unwanted lines as shown in the drawing

RESULT:

DIAGRAM 10

AIM:

To draw the given drawing using AutoCAD software

PROCEDUE :

STEP 1 :

• In the command prompt type Units >type> engineering > precesion > 0.0

STEP 2:

• In the command prompt type line > distance > 20' 4"> 9'> 3'>4' 6" > 4' 6" > 1'2" >5' 4"> 1'2" > 4'6"> close

STEP 3 :(LS V )

• Take offset distance of 3' from corner and 2' 8" from top with offset command
• With the line command draw a V and polar coordinates must be 45 .90,135,180

STEP 4 : (RS V)

• Take offset distance of 3' from corner and 3' 7" from top with offset command
• With the line command draw a V and polar coordinates must be 30,60,90,120

STEP 5 ( CENTRE DIAMOND )

• Take offset distance of 10'2" from corner and 6' 10" from top with offset command
• Keeping the intersection point as centre draw a diamond with radius 3 and angle 90

RESULT: