Drafting of various geometries using Chamfer, Fillet tool in AutoCad

1.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method and relative polar coordinate method the lines are drawn.
• Picked first point as random and moved cursor to the <0 and entered distance as 3 to form a base line by choosing line command by pressing L.
• At next point as @2.12<45
• At next point as @2.83<135
• At next point distance as 2 by moving cursor to the<180
• Then clicked close.
• After choosing Line command, picked a midpoint from the base line of distance 3 and drew a vertical temporary line by touching the opposite line
• Then two horizontal temporary lines are made by using offset tool of distance 1 and 2.50 respectively by having reference line as base line of dimension 3.
• Picked two intersection points to draw circle by entering c(circle) in the command and entered diameter as 0.80 and 1.20 respectively and formed circle
• Finally, by entered e erase to erase the temporary lines.

Results:

The following geometry is obtained by above steps.

2.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method and relative polar coordinate method the lines are drawn.
• Picked a first point by choosing line command by pressing L.
• For next point entered @2’10” <45 in the command.
• At next point entered distance as 1’9” by moving the cursor to <90.
• At next point entered distance as 2’ by moving cursor to the <180
• At next point entered distance as 2’5” by moving cursor to the <270
• At next point entered value as @3’<300
• At next point entered value as @2’6” <30
• Then clicked close.

Result:

The following geometry is obtained by above steps.

3.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, the lines are drawn.
• Specified the first point randomly by selecting Line command.
• In the command, entered the dimension as 1’6” by moving cursor to the <270
• At the next point entered the length as 5’0.1” by moving cursor to the <180
• At the next point entered the length as 3’3” by moving cursor to the <90
• At the next point enter the length as 2’6.5” by moving cursor to the <0
• Clicked close to finish.
• Selected offset command in the command.
• Entered the offset distance as 1’6” and selected the base line as object.
• Picked midpoint in the 2’6.5” line and drew a vertical line by intersecting the above offset line with the help of Line command L.
• Entered circle in the command and picked center point as intersecting point.
• Drew a circle of diameter 1’6”
• Entered erase to erase the offset and perpendicular line at the end.

Result:

The following geometry is obtained by above steps.

4. Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, the lines are drawn.
• Picked first point as random and moved cursor to the <0 and enter the distance as 3 to form a base line by choosing line command by pressing L.
• At the next point enter length as 0.50 by moving the cursor to the< 270
• At the next point enter length as 2.50 by moving the cursor to the< 0
• At the next point enter length as 2.50 by moving the cursor to the< 90
• At the next point enter length as 2 by moving the cursor to the< 180
• At the next point enter length as 3 by moving the cursor to the< 90
• At the next point enter length as 2.50 by moving the cursor to the< 180
• At the next point enter length as 2 by moving the cursor to the< 270
• At the next point enter length as 1 by moving the cursor to the< 180
• Clicked close to finish.

Result:

The following geometry is obtained by above steps.

5.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• Select rectangle command from the Ribbon and click dimensions in the command
• Enter dimension, length as 11.50 and width as 6.00
• Select offset tool in Ribbon and enter offset distance as 1.50 and select object as the left side width of the rectangle
• Then click multiple as option and make two offset lines inside the rectangle.
• Same offset procedure for the right side of the rectangle to make offset lines.
• Again, select offset tool and give distance as 3 and select the object as the length of the rectangle which is 11.50
• Move the cursor and click inside the rectangle and form a temporary line.
• Select the circle command from the ribbon and click center point of the right and left interesting points and make two circle one after other by giving diameter as 1 and 2 respectively on both sides.
• Select line command from ribbon and pick midpoint of the length of the rectangle and draw vertical point which intersect the offset line.
• Select the circle command and pick the center point of the rectangle as center point and draw circle with diameter 3.
• Then enter erase by entering e and erase the horizontal offset line.

Result:

The following geometry is obtained by above steps.

6. Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, the lines are drawn.
• Select L command in the command line and specify first point.
• Move the cursor to the <0 and specify dimension as 2 to draw line.
• Move cursor to <90 and specify dimension as 1.5
• Move cursor to <270 and specify dimension as 1
• Move cursor to <180 and specify dimension as 1.5
• Click close to form L shape geometry.
• Select L command and join inner end points as shown below
• 
• Select rec command in the command line and specify first point.
• Give dimension, length as 1.5 and width as 1.5
• Select offset tool and pick horizontal length line as object and make offset inside by giving offset distance as 0.5.
• Again, select offset tool and pick vertical width line as object and make 2 offset lines inside by giving offset distance as 0.5
• Select Trim command and click crossing and trim the vertical offset line which passes through the horizontal offset line as shown below
• 
• Select rec command in the command line and specify first point.
• Give dimension, length as 2 and width as 1.5
• Select offset tool and pick vertical width line as object and make offset inside by giving offset distance as 0.5.
• Again, select offset tool and pick horizontal length line as object and make 2 offset lines inside by giving offset distance as 0.5
• Select Trim command and click crossing and trim the horizontal offset line which passes through the vertical offset line as shown below
• 

Result:

The following geometry is obtained by above steps.

7. Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, the lines are drawn.
• Select L command in the command line and specify first point.
• Move the cursor to the <90 and specify dimension as 100 to draw line
• Move cursor to <0 and specify dimension as 210
• Select offset tool from the ribbon and give offset distance as 20 and select the vertical line of dimension 100 and make a off set inside, press enter. Select object as other side vertical line of dimension 75 and make similar offset line inside.
• Again, select offset tool by giving offset distance as 10 and select object as horizontal line of distance 210 and make offset line inside.
• Now select rec in command and select left offset intersecting point as first point and give dimension, length as 70 and width as 30 and click enter.
• Select Copy command and pick up the end of the rectangle, move right and copy it by click other side offset line
• 
• Select erase and delete 3 offset lines which created earlier.
• Select Arc tool ribbon by selecting start, end, radius option
• Now click the end of the line of dimension 75 as start point then enter 50 in the command and give radius as 25 to form arc by hold control key.
• Select circle command and pick the center point of arc and draw a circle of diameter 30.
• Select offset tool and give offset distance as 60 and select object as line of dimension 210 and move in to form offset and press enter.
• Select Arc tool ribbon by selecting start, end, radius option
• Now click the end of the line of dimension 100 as start point then enter 70 in the command and give radius as 35 to form arc by hold control key.
• Select circle command and pick the center point of arc and draw a circle of diameter 50.
• Now connect both the arc end to the offset line.
• Select fillet tool from ribbon and specify the first object as one side of the left corner of the geometry and give radius as 15 and select other side of the same corner as second object to fillet the edge
• Select fillet tool from ribbon and specify the first object as one side of the right corner of the geometry and give radius as 15 and select other side of the same corner as second object to fillet the edge
• Select fillet tool from ribbon and specify the first object as one side of the left corner of the intersection point of offset and arc and give radius as 20 and select other side of the same corner as second object to fillet the edge
• Select fillet tool from ribbon and specify the first object as one side of the right corner of the intersection point of offset and arc and give radius as 6 and select other side of the same corner as second object to fillet the edge
• Result:
• The following geometry is obtained by above steps.
• 

8.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, the lines are drawn.
• Select line command and specify first point randomly and move cursor to the <0 and enter dimension as 8.55
• Select circle tool and click midpoint of the line as center of the circle and give diameter as 4 to form inner circle and again with the same point give diameter as 5 and form outer circle
• Select circle tool and click left end point of the line as center of the circle and give diameter as 0.90 to form inner circle and again with the same point give radius as 0.90 to form outer circle
• Select circle tool and click right end point of the line as center of the circle and give diameter as 0.90 to form inner circle and again with the same point give radius as 0.90 to form outer circle
• Select line tool with OSNAP ON , pick up tangent point on top of the outer smaller circle and pick the tangent point of the top of the bigger circle to form tangent line.
• Same procedure follows to form other tangent lines.
• Select trim option and click crossing and trim the inner arc of the outer smaller circles on both sides one by one.
• Finally select erase to erase the line.

Result:

• The following geometry is obtained by above steps.
• 

9.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, a line is drawn.
• Select the Line command and pick up the first point and give dimension as 32’6” for the next point
• Select circle from Ribbon and pickup starting point of the line as center point of the circle and give radius as 8’ to form the smaller circle and with the same center point and procedure give radius as 33’8” to form outer circle
• Select circle from Ribbon and pickup end point of the line as center point of the circle and give radius as 9’ to form a circle and with the same center point and procedure give radius as 32’9” to form outer circle.
• Again, enter C in the command pickup bottom intersection points of the two bigger circle as center point of the circle and give radius as 41’8” to form a circle which gives the top arc of the given geometry.
• Select circle command Ribbon and select Tangent, Tangent, Radius option
• Pickup Tangent point from both smaller circle and give radius as 20’10” to form the bottom arc of the geometry
• Now select Erase and erase both bigger circles
• Select Trim command and select crossing and trim the other shaps which is other than the given geometry.

Result:

• The following geometry is obtained by above steps.
• 

10.Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• Select Rectangle tool from the Ribbon
• Select a starting point and give dimension length as 10 and width as 10 to form a square
• Select offset and select the object, rectangle and give offset distance as 0.5 to form offset lines.
• Select Copy tool and select whole geometry and click a base point and copy it nearby.
• Select rotate command and pick up a base point and give rotate angle as 45 and press enter.
• Select Move command, select rotated object and pick up the center point of it and move to the middle point of the first square.
• Select Trim command the trim the object which is other than the geometry.

Result:

• The following geometry is obtained by above steps.
• 

11. Aim:

To obtain the following geometry the AUTOCAD Software is used. The procedure and results are as follow.

Procedure:

• By using direct entry method, the lines are drawn.
• Select Rectangle tool and specify the starting point and give dimension length as 20’4” and width as 13’6” to form a rectangle.
• Select L command in the command line and pickup the midpoint of the length of the rectangle and draw a perpendicular line.
• Select L command and pick up the right corner point of the rectangle and move <90 and give dimension length as 4’6”
• Move cursor to the <180 and give dimension length as 3’
• Move cursor to the <270 and give dimension as 4’6”
• Move cursor to the <90 and give dimension as 1’2” and close the line to the perpendicular middle line.
• Select Mirror command and select the line other than the rectangle which drawn earlier and pick the bottom point of the rectangle as base point and move it to to top to form the mirror image.
• Select Polar tracking in the status bar
• Select L command and pick middle point of the top right half of the rectangular and draw a line dimension of 3’7” and move cursor to the <270
• From that point track <60 and draw a line meeting the rectangle
• Again, from the same point track <120 and draw a line touching rectangle.
• Select L command and pick middle point of the top left half of the rectangular and draw a line dimension of 2’8”” and move cursor to the <270
• From that point track <45 and draw a line meeting the rectangle
• Again, from the same point track <135 and draw a line touching rectangle.
• Select L command and pick left corner point of the rectangle as starting point and move cursor to the <270 and enter dimension as 6’9”
• Move cursor to the <0 and draw line dimension of 20’4”
• Select rectangle command and pick the random point out side the rectangle and draw a rectangle of dimension length as 3’ and width as 3’
• Select Rotate command and select the small rectangle and enter rotate angle as 45.
• Now pick the center of the rotated rectangle and move to the intersecting point of middle line of rectangle and horizontal center line by the Move command.
• Select Trim command and trim all other objects other than the given geometry.

Result:

• The following geometry is obtained by above steps.
•