Drafting of various geometries using Chamfer, Fillet tool in AutoCad
AIM: To draw the geometries using Chamfer, fillet tool in Autocad.
Commands used: Line, circle, chamfer, fillet, mirror, trim, move, rotate, annotate.
Procedure:
1.Open new file and set decimal and precision to 0.00.
2.Command line: From random point draw 3.00 m line and @2.12<45, @2.83<135 then 2.00m line and close.
3.Command offset:Offset 3.00m line to 1.00m and 2.50m.
4.Command circle:From midpoint of 3.00m line at 2.50m and 1.0Om draw a circle of diameter of 1.20 at 1.00m and 0.80 at 2.50m.
5.Command erase:Erase the offsets.
1.New sheet- units- architectural-precision 0'-0"- feet-ok.
2. Select Line tool and draw the lengths starting from top line segment of 8' , now give line command positioning the cursor at 270 degrees with ortho ON , 1'-9" enter.
3.Give line command positioning the cursor at 270 degrees with ortho ON at first end and draw 2'-5" enter.
4.Draw the line at 315degree of 3', at 45 degree 2'-6". Now, draw the line 2'-10" at 225degrees and join the lines.
5.Annotate and give dimension to all the line segments.
1.New sheet- units- architectural-precision 0'-0"- feet-ok.
2.Select Line tool and draw the lengths starting from top line segment of 2'-6.5" , now give line command positioning the cursor downwards with ortho ON , 3'-3.0", 5'-0.1",1'-6.0" and close.
3.Select Line tool and draw the lengths starting from base of the diagram and next point is @0,1'6".
4.Select Line tool and draw the lengths starting from base of the diagram and next point is @1'3",0.
5. Select Circle tool and draw the Circle of diameter is 1'6".
6. Delet the point of 3&4.
7.Annotate and give dimension to all the line segments.
Specify the start point 2,2.
Specify next point: @3<0
Specify next point:@0.50<270
Specify next point:@2.50<0
Specify next point:@2.50<90
Specify next point:@2<180
Specify next point:@3<90
Specify next point:@2.50<180
Specify next point:@2<270
Specify next point:@1<180
Specify next point:@3<270
1.New page select decimal and precision 0.00 while keeping ortho on.
2.Command line: 6.00m vertical. 11.50m horizontal and 6.00m vertical and 11.50m horizontal.
3.In object snap setting keep midpoint, centre, intersection and geometric centre on.
4.Command Circle: Draw circle at the centre with diameter 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 adistance 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 offsets.
1.New page select decimal with precision 0.0.
2.Command line:1.Sm horizontal and 1.5m vertical on both sides.
3.Command offset offset 1.5m line to 0.5m.
4.Command divide: Divide 1.5m line into 3 segments.
5.Command line-: Join the divided lines.
6.In object snap setting keep the Extension On
7.C0mrmand line: Draw 2.0m line and 1.5m line and O.5m horizontal on top and ln vertical and 1.5m horizontal and O.5m vertical and join the slant line.
8.Command line:2.0m horizontal and 1.5m vertical on both sides.
9.Command offset: offset 1.5m line to O.5m.
10.Command divide: Divide 1.5m line into 3 segments.
11.Command line: Join the divided lines.
1.New page and set decimal and precision to 0
2.Command line: Drawing 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 on left side and has a radius of 25m drawing a line of 5Om on right side.
3.Command Arc: From start, end and radius draw an arc of radius 35m on right side and an arc of radius 25m on leh side.
4.Command Circle: From midpoint of 70m line on left side draw a cirle of diameter of 5Om and 30m on right side.
5.Command offset Offset 210m line at a distance of 60m.
6.Command fillet:Filleting to radius 15m on top right and left and radius of 20m on inner left and radius of 6m on inner right.
7.Command offset:offsetting 210m line to !Om and 100m and 75m line to 20m.
8.Command rectangle·:70m length and width of 30m from off setted line on both sides.
9.Command erase: Erasing the otfsetted line and unwanted lines.
1.New page set decimal and precision to 0.00
2.Command cirde:Draw concentric circles of diameter 5.00m and 4.00m
3.Command line: From the centre point of circle draw 4.275m line on both sides.
4.Command circle: Drawing a circle of diameter 0.90m on both sides.
5.Command arc: from start, end and radius draw an arc of radius 0. 90 on both sides
6.Command line: Join the lines to the arc.
1.New page and set Engineering and precision to 0'-0"
2.Command Line: Draw a 32'-6'' horizontal line.
3.Command circle:Draw a circle of radius 8' on left side of line and radius of 9' on right side of line.
4.Command Arc: From start, end and radius drawing a arc of 41'-8" on top and 20'10" on bottom.
5.Command trim: trim the unwanted line and curves.
1.Command rectangle: Draw a rectangte of same length and same width of one smaller size and another slightly bigger one from common centre.
2.Command Rotate: Rotating the drawn squares by 45 degree keeping the copy
3.Command trim:Trim the crossing lines according to the figure.
1.New page and set engineering and precision 0'0"
2.Command line: Draw 10' -2" horizontal line, 9' vertical line, 3' horizontal line,4'-6" vertical and horizontal line and 1'-2" vertical line.
3.Command mirror: Mirror the above lines at centre axis.
4.Command offset: offset the 20'-4" to a distance of 6'-9" arnd 13'-6'' to a distance of 10'-2".
5.Command Rectangle: Draw a rectangle of length and width 3' from the centre point of off setted line.
6.Command Move: moving the centre of rectangle to the centre of offsetted line.
7.Command rotate: Rotating the Rectangle by 45 degrees
8.Command offset: Offsetting 20'-4" to a distance of 2'-8" with polar tracking on draw an angle of 90 degrees. Offset 20'-4" to a distance of 3'-7' with polar tracking on draw an angle of 60 degrees.
9.Command erase: Erase the unwanted lines.
RESULT: The given geometries are drafted using chamfer, filler, circle, andline tool in autocad in accurate measurement.