Drafting of various geometries using Chamfer, Fillet tool in AutoCad

AIM - Drafting of various geometries using Chamfer, Fillet tool in AutoCad.

 

Q1. 

Procedure - 

Type L in the command line and press Enter.

Specify the start point: 1,1

Specify next point: @3, 0

Specify next point:@2.12<45

Specify next point:@2.83<135

Specify next point:@-2,0

Specify next point:@0,-2.5

 

Type L in the command line and press Enter.

Specify the start point: a

Specify next point: @1.5, 0

Specify next point:@0, 1

Specify next point:@0, 1.5

Type C and press enter

Specify centre point of circle: c

Specify radius of circle: .60

Type C and press enter

Specify centre point of circle: d

Specify radius of circle: .40

After drawing circle delete the lines ab, bc and cd

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

Result - The geometry using decimal units  is completed

 

Q2.

Procedure - 

Type L in the command line and press Enter.

Specify the start point 2, 5.

Specify next point: @2’-10<45

Specify next point:@0,1’-9”

Specify next point: @-8’,0

Specify next point:@0,-2’5”

 

Switch on polar tracking of 30,60, 90

Place the curser at 300 degree tracking and type 3’

Now place the curser at 30 degree and type 2’-6”

 

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

 

Result - The geometry using architectural units  is completed.

 

Q3.

Procedure - 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle.

Enter D for Dimensions.

Enter the length: 5’-0.1”

Enter the width: 3’-3.0”

Specify the other corner.

 

Type CHA or CHAMFER in the command  line and press enter

Enter D for Distance

Specify first chamfer distance:2’-3.5”

Specify second chamfer distance:1’-9”

Select the first line ab and second line as bc

 

Type L in the command line and press Enter.

Specify the start point d

Specify next point: @1’-3.0”

Specify next point:@1’-6.0”

 

Type C and press enter

Specify centre point of circle: e

Specify diameter of circle: 1’-6.0”

 

Delete the unwanted lines

 

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

 

Result - The geometry using engineering units is completed.

 

Q4.

Procedure - 

Type L in the command line and press Enter.

Specify the start point 1,1

Specify next point: @3, 0

Specify next point:@0, -.5

Specify next point:@2.5, 0

Specify next point:@0, 2.5

Specify next point:@-2, 0

Specify next point:@0, 3

Specify next point:@-2.5, 0

Specify next point:@0, -2.5

Type L in the command line and press Enter.

Specify the start point a

Specify next point: @0, 3

Specify next point: @1, 0

 

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

 

Result - The geometry using decimal units  is completed

 

Q5. 

Procedure - 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle.

Enter D for Dimensions.

Enter the length: 3

Enter the width: 6

Specify the other corner.

 

Type L in the command line and press Enter.

Specify the start point a

Specify next point: @1.5, 0

Specify next point: @0, 6

 

Turn on midpoint in object snap

Type C and press enter

Specify centre point of circle:

Specify radius of circle: .5

Type O or offset on the command line and press Enter.

Specify the value of offset distance:.5

Select the circle to offset and click outside the circle

 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle.

Enter D for Dimensions.

Enter the length: 5.5

Enter the width: 6

Specify the other corner.

Trim and erase the unwanted lines

 

Type CO and press enter

Select the rectangle abcd and click D for displacement and type @8.5, 0

Specify the base point as a and click enter

 

Trim and erase the unwanted lines

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

 

Result - The geometry using decimal units  is completed

 

Q6. 

Procedure - 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle as E.

Enter D for Dimensions.

Enter the length: 1.5

Enter the width: .5

Specify the other corner.

 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle as E.

Enter D for Dimensions.

Enter the length: .5

Enter the width: 1.5

Specify the other corner.

 

Type CO and press enter

Select the rectangle EFGH and click D for displacement and type @0, .5

Specify the base point  as B and click enter

 

Type L in the command line and press Enter.

Specify the start point E

Specify next point: @0, -.5

Specify next point: @1.5, 0

Specify next point: @0, 1.5

Specify next point: @-.5, 0

Specify next point: @0, -1

Specify next point: @-1, 0

Type L in the command line and press Enter.

Specify the start point E

Specify next point: F

 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle as B.

Enter D for Dimensions.

Enter the length: .5

Enter the width: 1.5

Specify the other corner.

 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle as B.

Enter D for Dimensions.

Enter the length: 1.5

Enter the width: .5

Specify the other corner.

 

Type CO and press enter

Select the rectangle ABCD and click D for displacement and type @0, .5

Specify the base point  as B and click enter

 

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

 

Result - The geometry using decimal units  is completed

 

Q7. 

Procedure - 

Type L in the command line and press Enter.

Specify the start point L.

Specify next point:@0, -100

Specify next point:@210, 0

Specify next point:@0, 75

Type F and press enter

Select the first line LO

Specify radius as 15

Select the second line as ON and press enter

Type F and press enter

Select the first line MN

Specify radius as 15

Select the second line as MN and press enter

Type L in the command line and press Enter.

Specify the start point L.

Specify next point:@70, 0

Type L in the command line and press Enter.

Specify the start point M.

Specify next point:@-50, 0

Type C and press enter

Specify centre point of circle: k

Specify radius of circle: 25

Type C and press enter

Specify centre point of circle: j

Specify radius of circle: 15

From draw panel select start end radius option from arc menu

Specify start point as g

Specify end point as h

Radius of arc as 35

From draw panel select start end radius option from arc menu

Specify start point as i

Specify end point as h

Radius of arc as 25

Trim of the lines fg and hi

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle.

Enter D for Dimensions.

Enter the length: 70

Enter the width: 30

Specify the other corner.

Type CO and press enter

Select the rectangle and click D for displacement and type @100,0

Specify the base point and click enter

Using trim command erase of unwanted lines

 

Type L in the command line and press Enter.

Specify the start point e.

Specify next point:0,20

Now draw a line perpendicular to the above line and draw lines starting from a and d respectively

 

Trim off and erase the unwanted lines.

Type F and press enter

Select the first line ab

Specify radius as 20

Select the second line as bc and press enter

Type F and press enter

Select the first line cd

Specify radius as 20

Select the second line as bc and press enter

 

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

Result - The geometry using decimal units  is completed

 

Q8. 

Procedure - 

Type C and press enter

Specify centre point of circle: 5, 5

Specify radius of circle: 2

Type O or offset on the command line and press Enter.

Specify the value of offset distance:.5

Select the object to offset and click outside of  the circle

Type L in the command line and press Enter.

Specify the start point 5, 5.

Specify next point:@8.55,0

Type O or offset on the command line and press Enter.

Specify the value of offset distance:.9

Select the object to offset and click on top and bottom

Close the figure with two lines on both the sides

 

Trim and erase the top and bottom line

Type C and press enter

Specify centre point of circle: a

Specify radius of circle: .45

Type C and press enter

Specify centre point of circle: b

Specify radius of circle: .45

 

From draw panel select start end radius option from arc menu

Specify start point as c

Specify end point as d

Radius of arc as .90

From draw panel select start end radius option from arc menu

Specify start point as e

Specify end point as f

Radius of arc as .90

In object snap turn on the tangent

Draw line starting from e to the tangent at the top of big circle

Draw line starting from f to the tangent at the bottom of big circle

Draw line starting from d to the tangent at the top of big circle

Draw line starting from c to the tangent at the bottom of big circle

Trim of the unwanted lines to get the geometry

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

Result - The geometry using decimal units  is completed

 

Q9. 

Procedure - 

Type L in the command line and press Enter.

Specify the start point 5’, 5’.

Specify next point:@32’-6”, 0

Type C and press enter

Specify centre point of circle: 5’ ,5’

Specify radius of circle: 8’

Type C and press enter

Specify centre point of circle: 5’ ,5’

Specify radius of circle: 9’

Type C and press enter

Select tan, tan, rad

Select first tangent by clicking on top tangent  of left circle

Select second tangent by clicking on top tangent  of right circle

Specify radius as 41’-8”

Type C and press enter

Select tan, tan, rad

Select first tangent by clicking on bottom tangent  of left circle

Select second tangent by clicking on bottom tangent  of right circle

Specify radius as 20’-10”

Trim and erase the unwanted parts to get the geometry

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

Result - The geometry using engineering units  is completed

 

Q10. 

Procedure - 

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle.

Enter D for Dimensions.

Enter the length: 10

Enter the width: 10

Specify the other corner.

Type O or offset on the command line and press Enter.

Specify the value of offset distance:.5

Select the object to offset and click inside the rectangle

Type RO  and press Enter

Select the object: rectangle

And rotate it by 45 degree by selecting a base point.

Move the rotated rectangle and place it at the centre.

Trim of the additional lines

Result - The geometry using decimal units is completed.

 

Q11. 

Procedure - 

Type L in the command line and press Enter.

Specify the start point g.

Specify next point: @2’-6”, 0

Specify next point:@0, -1’-2”

Specify next point:@4’-6”, 0

Specify next point:@0, 4’-6”

Specify next point:@3’, 0

Specify next point:@0, 9’

Type MI and press enter

Select the mirror objects.

Specify the first point of the mirror as g

Specify the second point at the top

At Erase source object type N.

Type L in the command line and press Enter.

Specify the start point e.

Specify next point: @0, -3’-7”

Specify next point:@-8’-7”, 0

Turn on the polar tracking for 30,60,90 degree

With d as centre draw a line at an angle of 30 degrees till it touches the bottom line and 120 degrees towards up and close the figure at f

Type L in the command line and press Enter.

Specify the start point c.

Specify next point: @0, -2’-8”

Specify next point:@6’-7”, 0

Turn on the polar tracking for 45,90,135 degree

With d as centre draw a line at an angle of 45 degrees till it touches the line and 135 degrees towards up and close the figure at c

Delete the unnecessary lines.

Draw a line from b and a so that they will intersect at the centre.

Point b is at a distance of 6’-9’ from the top and point a is at the centre of the baseline.

Type Rec or Rectangle in the command line and press Enter.

Specify the first corner of the rectangle.

Enter D for Dimensions.

Enter the length: 3’

Enter the width: 3’

Specify the other corner.

Type RO  and press Enter

Select the object: rectangle

And rotate it by 45 degrees by selecting a base point.

Also, draw a line as diagonal to the rectangle

Place the rectangle created in the correct place using the diagonal line

Delete or trim off the unwanted lines to get the final geometry

Type DLI or DIMLINEAR on the command line and press Enter.

Give the dimensions as per the drawing.

Result - The geometry using engineering units  is completed