Drafting of various geometries using Chamfer, Fillet tool in AutoCad

Drafting of various geometries using chamfer, fillet tool in AutoCAD

1. Aim: To draft the given geometries in Decimal units

Tools used: Line, Circle

Procedure:

• Initially set the units as Decimal and precision to 0.00
• Now set the limit for the drawing:
• Specify lower left corner: (0,0)
• Specify lower left corner: (10,10)
• Choose line command
• Specify first point as (0,0)
• Specify the next point as @3<0
• Specify the next point as @2.12<45 (Angle = 180-135)
• Specify the next point as @2.83<135 (Angle = 180-(90/2))
• Specify the next point as @2<180
• Specify the next point as c to close the figure
• Now, choose the circle command
• Give the center point of circle as (1.5,1)
• Specify the radius of circle as 0.6 (as diameter of the circle is given as 1.2)
• Again, choose the circle command
• Give the center point of circle as (1.5,2.5)
• Specify the radius of circle as 0.4 (as diameter of the circle is given as 0.8)
• Add dimensions
• The completed figure is

2. Aim: To draft the given geometries in Architectural units

Tools used: Line, Circle

Procedure:

• Initially set the units as Architectural
• Now set the limit for the drawing:
• Specify lower left corner: (0’0”,0’0”)
• Specify lower left corner: (10’0”,6’0”)
• Choose line command
• Specify first point as (0’0”,5’5”)
• Specify the next point as @2’5” <270
• Specify the next point as @3<300 (Angle = 270+30)
• Specify the next point as @2’6”<30

• Now, break the line command and select line again
• Start the initial point from (0’0”,5’5”)
• Specify the next point as @8’5” <0
• Specify the next point as @1’9” <270
• Specify the next point as @2’10” <225
• Close the line and add dimensions

• The completed figure is

3. Aim: To draft the given geometries in Engineering units

Tools used: Rectangle, Circle, chamfer

Procedure:

• Initially set the units as Engineering
• Choose ‘REC’ command from command box
• Specify first point as (0’,0’)
• Specify second point as (5’0.1”,3’3”)
• Now chamfer the top right corner of the rectangle using chamfer tool
• Choose an angle option from the chamfer command
• Specify the chamfer length as 1’9” (3’3”-1’6”)
• Specify the chamfer angle from the first line: 55(180-125)
• Then select the first line to chamfer

• Select circle command
• Specify the center of the circle as (1’3.0”,1’6.0”)
• Specify the diameter of circle as 1’6.0”
• Enter dimensions
• The created figure is

4. Aim: To draft the given geometries in Decimal units

Tools used: Line

Procedure:

• Initially set the units as Decimal
• Choose ‘L’ command from command box
• Specify first point as @0,0.5
• Specify next point as @3,0
• Specify next point as @0,-0.5
• Specify next point as @2.5,0
• Specify next point as @0,2.5
• Specify next point as @-2,0
• Specify next point as @0,3
• Specify next point as @-2.5,0
• Specify next point as @1,0
• Close the line and add dimensions

5. Aim: To draft the given geometries in Decimal units

Tools used: Line, Rectangle, offset

Procedure:

• Initially set the units as Decimal

• Choose ‘REC’ command from command box
• Specify first point as (0,0)
• Specify second point as (11.5,6)
• Now choose the line command draw a line at a distance from left end
• Specify first point as 3,0
• Specify next point as 3,6
• Then offset the line at distance of 5.5 units towards the right side

• Now, choose circle command
• Specify the center of the circle as 1.5,3
• Specify the diameter of circle as 2
• After drawing the circle, offset this circle inwards at a distance of 0.5
• Now, copy the two circles on the left side by keeping the center of circles as the base point
• Specify next point as 10,3
• Again, choose circle command
• Specify the center of the circle as 5.75,3
• Specify the diameter of circle as 3
• Add dimensions

6. Aim: To draft the given geometries in Decimal units

Tools used: Line, offset

Procedure:

• Initially set the units as Decimal
• Choose ‘L’ command from command box
• Specify first point as (0,0)
• Specify next point as (1.5,0)
• Specify next point as (1.5,1.5)
• Specify next point as (0,1.5)
• Specify next point: c
• Offset the bottom line at distance of 0.5 units upwards
• Offset the side edge line at distance of 0.5 units towards right side two times and trim the unwanted lines

• Choose ‘L’ command from command box
• Specify first point as (2.5,0)
• Specify next point as (4.5,0)
• Specify next point as (4.5,1.5)
• Specify next point as (4,1.5)
• Specify next point as (4,0.5)
• Specify next point as (2.5,0.5)
• Specify next point: c

• Choose ‘L’ command from command box
• Specify first point as (2.5,0.5)
• Specify next point as (4,1.5)
• Choose ‘L’ command from command box
• Specify first point as (2.5,2.5)
• Specify next point as (4.5,2.5)
• Specify next point as (4.5,4)
• Specify next point as (2.5,4)
• Specify next point: c
• Offset the bottom line at distance of 0.5 units upwards two times
• Offset the side edge line at distance of 0.5 units towards left side and trim the unwanted lines
• The completed figure is

7. Aim: To draft the given geometries in Decimal units

Tools used: Line, offset, circle

Procedure:

• Initially set the units as Decimal
• Choose ‘L’ command from command box
• Draw a line of 100 units in positive y direction and 210 units in positive x direction and 75 units in negative y direction
• Select offset and give distance of 10 units and draw an offset from 210 units line in negative direction
• Repeat the offset with distances of 30, 20 in the same direction
• Again, select the offset and give distance of 20 units and draw an offset from left side in positive x direction and right-side negative x direction respectively
• Now as an Arc1 has radius of 35 units we draw a line of 70 units on left side and Arc2 has radius of 25 units we draw a line of 50 units on the right side
• Select the circle command and draw a circle from the center of 70 units on left side and give the diameter as 50
• Select the circle command and draw a circle from the center of 50 units on right side and give the diameter as 30
• Select the three-point arc and draw the arcs on both sides with the drawn lines
• Trim the unwanted lines
• Now, select fillet and give radius 15 and draw a fillet on top right and left corner
• Again, select fillet and give radius 20 on bottom left and radius of 6 on right bottom corner
• Give dimensions and the completed geometry is

8. Aim: To draft the given geometries in Decimal units

Tools used: Line, offset, circle

Procedure:

• Initially set the units as Decimal
• Select circle and draw a circle with diameter 5
• Select offset and give offset distance as 0.5 and draw an inner circle
• Draw a line from the center of the first circle with distance 4.275 in negative x direction
• Draw a circle with diameter 0.9 from the last point
• Draw another circle with radius 0.9 from center of last circle
• Select line command and draw a line to the tangent of the first circle on top and bottom
• Trim the unwanted lines
• Select the circles, two tangents and give mirror option
• Specify the base point as the center of first circle
• Draw dimensions and the completed image is

9. Aim: To draft the given geometries in Engineering units

Tools used: Line, Circle, Arc

Procedure:

• Initially set the units as Engineering
• Choose ‘L’ command from command box
• Draw a line of 32’6” in positive y direction
• Select circle command and draw circle1 with center of starting point of line with radius 8’
• Draw circle2 with center of end point of line with radius 9’
• Draw another circle by selecting tan, tan, radius option with radius of 41’8” on top
• Draw another circle by selecting tan, tan, radius option with radius of 20’10” on bottom
• Trim the unwanted lines and draw dimensions
• The completed geometry is

10. Aim: To draft the given geometries in Engineering units

Tools used: Rectangle, Trim

Procedure:

• Initially set the units as Engineering
• Choose ‘REC’ command from command box
• Specify first point in the xy axis and specify the dimensions as 3’x3’
• Select offset and give distance of 0.25 and draw a rectangle
• Copy the rectangles and rotate in 45 degrees
• Now, join the rectangles from center of two rectangles
• Trim the unwanted lines
• The image is
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11. Aim: To draft the given geometries in Engineering units

Tools used: Line, Rectangle

Procedure:

• Initially set the units as Engineering
• Choose ‘L’ command from command box
• Draw a line with starting point 0’0”,13’6”
• Specify length of line as 9’ in negative y direction
• Specify length of line as 3’ in positive x direction
• Specify length of line as 4’6” in negative y direction
• Specify length of line as 4’6”in positive x direction
• Specify length of line as 1’2”’ in positive y direction
• Specify length of line as 5’4” in positive x direction
• Specify length of line as 1’2”’ in negative y direction
• Specify length of line as 4’6”in positive x direction
• Specify length of line as 4’6” in negative y direction
• Specify length of line as 3’ in positive x direction
• Specify length of line as 9’ in positive y direction
• Draw a rectangle with dimensions 3’x3’ and rotate it by 45 degrees
• Place the rectangle from the center downwards with length 6’9”
• Choose ‘L’ command from command box
• Draw a line with starting point 0’0”,13’6”
• Specify length of line as 3’ in positive x direction
• Specify the next point as @2’8”<315
• Specify the next point as @2’8”<225
• Draw a line with starting point 20’4”,13’6”
• Specify length of line as 3’ in negative y direction
• Specify the next point as @3’7”<240
• Specify the next point as @3’7”<120
• Join the gap between with a line
• Draw dimensions
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