Drafting of various geometries using Chamfer, Fillet tool in AutoCad
AIM: to draw the given sketches in autocad
INTRODUCTION: autocad offers various tools like rotate, chamfer, fillet, move, offset, trim etc., to make the sketching process easier and faster
PROCEDURE:
DRAWING 1:
1. open new file and set decimal and precision to 0.00
2. command line: from random pooint draw 3.00 m line and @2.12<45, @2.83<135 then 2.00 m line and close
3. command offset: offset 3.00 m line to 1.00 m and 2.50m
4. command circle: from midpoint of 3.00 line at 2.50m and 1.00m draw a circle of dia of 1.20 at 1.00m and 0.80 at 2.50m
5. command erase: erase yhe offsets
RESULT:
DRAWING 2:
1. Select architectural and polar tracking for angles 15,30,45,60 and so on
2. command line: draw a horizontal line and draw 2'6" line at 225 degree, 3' line perpendicular to it, 2'5" vertical line and 8' horizontal line, 1'9" vertical line and 2'10" @225 degree
3. close
RESULT:
DRAWING 3:
1. Open new file and set engineering and precision to 0'-0.0"
2. command line: 2'-6.5" in -ve x-axis, 3-3" in -ve y-axis, 5-0.1" in +ve x-axis, 1-6.0" in +ve y-axis and close
3. command offset: offset 3'-3" line at a distance of 1'-3.0" and 5'-0.1" at a distance of 1'-6.0"
4. command circle: draw a circle of diameter of 1'-6.0" from the centre of offsetted lines
5. command erase: erase the offsets
6. close
RESULT:
DRAWING 4:
1. New page and select decimals with precision 0.00 while keeping ortho on
2. command line: draw 3.00m line in +ve x axis
3. 0.50 in -ve t axis, 2.50m in +ve x axis, 2.50m in +ve y axis, 2.00m in -ve x axis , 3.00m in +ve y axis, 2.50m in -ve x axis, 2.00m in -ve y axis, 3.00m in -ve y axis
4. CLOSE
RESULT:
DRAWING 5:
1. New page and select decimal and precision 0.00 while keeping oryho on
2. command line: 6.00m verticsal, 11.50m horizontal and 6.00m vertical and 11.50m hoeizontal
3. in object snap setting keep mid point, centrre, intersection and geometriv center on
4. command circle: draw circle at the centre with dia 3.00m
5. command offset: offset 6.00m line at a distance of 3.00m on both sides and offset the 11.50m line at a distance of 3.00m
6. command circle: draw concentric circles at the intersection of the offsetted line of diameter 1.00m and 2.00m on both sides
7. command erase: erase the objects
8. CLOSE
RESULT:
DRAWING 6:
1.New page and select decimal and precision 0.00 while keeping ortho on
2.command line: 1.5m horizontal and 1.5m vertical on both sides
3. command offset: offset 1.5m line to 0.5m
4. command divide: divide 1.5m into 3 segments
5.command line: join the divided lines
6. in object snap setting keep the extension on
7. command line: draw 2.0m line and 1.5m line and 0.5m horizontal on top and in vertical and 1.5m horizontal and 0.5m vertical and join the inclined line
8. command line: 2.0m horizontal and 1.5m vertical on both sides
9. command offset: offset 1.5m line to 0.5m
10.command divide: divide 1.5m line into 3 segments
11. command line: join the divided lines
12.CLOSE
RESULT:
DRAWING 7:
1.New page and select decimal and precision 0.00 while keeping ortho on
2. line: draw 210m horizontal line and 100m vertical line on left side and 75m vertical line on right side, since arc has radius of 35m drawing a line of 70m left side and has a radius od 25m draw a line 50m on right side
3. arc: from starrt, end and radius draw an arc of radius 35m on right side and an arcof radius 25m on left side
4. circle: from midpoint of 70m line on the left side dra a circle of diameter of 50m and 30m on right side
5. offset/; offset 210m line at a dist of 60m
6. fillet: filleting to radius 15m on top right side and left side and radius of 20m on inner left and radius of 6m on inner right
7. offset: offsetting 210m line to 10m and 100m and 75m line to 20m
rectangle: 70m length and width 30m fromm off setted line on both sides
9. erase: erasing the offsetted line and unwanted lines
10. CLOSE
RESULT:
DRAWING 8:
1.New page and select decimal and precision 0.00 while keeping ortho on
2.circle: draw concemtric circles of dia 5.00m and 4.00m
line: from the centre point of circle draw 4.275m line on both sides
4. circle: drawing a circle of diameter 0.90m on both sides
5. command arc: from sart, end and radius draw an arc of radius 0.90 on both sides
6line: join the lines to the arc
7. CLOSE
RESULT:
DRAWING 9:
1.New page and select decimal and precision 0.00 while keeping ortho on
2.line: draw a 32'-6" horizontal line
3. circle: draw a circle of radius 8' on left side of line and radius of 9' on right side of the line
arc: fro syart, end and radius draw a arc of 41'-8" on top and 21'10" on botom
trim: trim the unwanted lines and curves
6. CLOSE
RESULT:
DRAWING 10:
1.New page and select decimal and precision 0.00 while keeping ortho on
2.rectangle: draw a rect of same length and same width of one smaller size and another slightly bigger one from common center
3. rotate: rotating the drawn squares by 45 degree keeping the copy
4. trim: trim the crossing lines according to the figure
5. CLOSE
RESULT:
DRAWING 11:
1.New page and select decimal and precision 0.00 while keeping ortho on
2.line: draw 10'-2" horizontal line, 9" vertical line, 3" horizontal line, 4'-6" vertical and horizontal line and 1'-2" vertical line
3. mirror: mirror the above lines at centre axis
4. offset: offset the 20'-4" to a dist of 6'-9" and 13'6" to a dist of 10'-2"
5. rectangle: draw arect of length and width 3' from the centre point of off setted line
6. move: moving the centre of recctangle to the centre of offsetted line
7. rotaTE: rotating the rect by 45 degree
8. offset: offsetting 20'-4" to a dist of 2'-8" with polar tracking on draw an angle of 90 degree
9. offset 20'-4" to A distance of 3'-7" with polar tracking to draw a angle of 60 degree
10. erase. erase the unwanted lines
11. CLOSE
RESULT:
