Drafting of various geometries using Chamfer, Fillet tool in AutoCad

AIM To draw the given figures in autocad

FIG1

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@3,0)(@2.12<45)(@2.83<135)(@2<180) close
• select circle with center (1.5,1) from origin with radius 1.2 and press enter
• select circle with center (1.5,2.5) from the origin with radius as 0.8 and press enter

RESULT

FIG2

PROCEDURE

1. SELECT the line command
2. specify the first point eg-Origin
3. follow the series of command

• (@5,0)(@0,1.6)(back to origin)(@0,3.3)(@2.6,0) close the figure
• select circle command with center as (1.6,1.3) and radius as 1.6

RESULT

FIG3

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@8,0)(@1.9<270)(@2.1<225)(@2.7<180)(BACK TO ORIGIN)(@2.5<270)
• Create a right angle triangle with base 2.6 and perpendicular as 3 and join it to the original figure

RESULT

FIG4

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@0,3)(@0,0.5)(@2.5,0)(@0,2.5)(@-2,0)(@0,3)(@-2.5,0)(@0,-2)(back to origin)(@0,3) close the figure

RESULT

FIG5

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@3,0)(@0,6)(@0,-6)(@5.5,0)(@0,6)(@0,-6)(@3,0)(@0,6)(@-3,0)(@-5.5,0)(@-3,0)CLOSE
• SELECT circle with center (1.5,3) and draw two concentric circle with dia 1 and 2
• SELECT circle with center (10,3) and draw two concentric circle with dia 1 and 2
• SELECT circle with center (5.75,3) and draw circle of dia 3

RESULT

FIG6

PROCEDURE

A)

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@0.5,0)(@0.5,0)(@0.5,0)(@0,0.5)(@0,1.5)(@-1.5,0)(@0,-1.5)(@0,-0.5) Manually close the intercepting lines

B)

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@0,-0.5)(@2,0)(@0,1.5)(@-0.5,0)(@0,-1)CLOSE AND JOINT THE DIAGONAL

C)

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@1.5,0)(@0.5,0)(@0,0.5)(@0,0.5)(@0,0.5)(@-2,0)CLOSE Manually close the intercepting lines

RESULT

FIG7

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@0,100)(@210,0)(@0,-75)
• SELECT CHAMFER TOOL and take radius as 15
• select dynamic mode create two square of side 35 and 25 on the base of the figure and chamfer their corner with radius of 35 and 25 respectively
• create a line 60 unit below the base line trim and chamfer its corner with radius of 20 and 6
• SELECT the circle command select the circle command and create the circle of 30 and 50 unit recpectively in the diagram with ceter as the center of the chamfer
• create a rectangle using line command with length 70 and width 30 as specified

RESULT

FIG8

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• SELECT a circle and draw a concentric circle with dia 0.9 and 1.8
• draw another circle of dia 4 and 5 whoes center is 4.3 feet from the center of previous circle
• draw another concentric circle of dia 0.9 and 1.8 whoes center is 4.3 feet from the center of previous circle
• trim and join the tangents

RESULT

FIG9

PROCEDURE

1. SELECT the circle command
2. specify the first point
3. follow the series of command

• draw a circle of radius 8
• draw another circle of radius 9 from center of the previous circle
• create arc of radius 41'8" joining these two circle from there top
• create arc of radius 20'10" joining these two circle from there bottom
• trim remaining things

RESULT

FIG10

PROCEDURE

1. SELECT the RECTANGLE command
2. specify the first point
3. follow the series of command

• draw concentric rectangle with thickness 0.5
• draw another set of concentric rectangle with thickness 0.5 and diagonal to be horizontal
• merge the figure and trim the intersecting point as mentioned

RESULT

FIG11

PROCEDURE

1. SELECT the line command
2. specify the first point
3. follow the series of command

• (@0,-9')(@3',0)(@0,4'6")(4'6",0)(0,1'2")(@5'2",0)(@0,-1'2")(@4'6",0)(@0,4'6")(@3',0)(@0,9') CLOSE
• DRAW SQUARE and TRIANGLE as specified

RESULT