Drafting of various geometries using Chamfer, Fillet tool in AutoCad
ans---AIM -
DRAFTING OF VARIOUS GEOMETRIES USING CHAMFER ,FILLET TOOL IN AUTO DAD.
---INTRODUCTION-
Autocad offers various tool to perform diffrent task,these tools are - modification tool ,chamfer fillet ,offset ,rotate ,object snapping ,
trim ,extened, lenthan , mirror and join.
--GEOMETRIES USING DECIMAL SYSTEMOF UNITS .
--PROCEDURE -
TYPE 'UN' press enter ,select unit in decimal .
- type l command , enter ,
specify start point 1,1
specify next point @3,0 ,
specify next [email protected]<45 , next point @2.83<135 ,next point @-2,0 next point @0,-2
next point is @0,-2.5 than
type L for line press enter
specify start point .
next point @1.5,0 ,next point @0,1 ,next point @0,1.5
type c press ,enter ,
specify center point of circle ,
specify radius .6
type c , specify center point circle ,
specify radius .40
delete another line .
geometry using decimal is complete .
2. unit - enter architectural unit .
type L for line and enter .
specify start point 2,5
specify next point @ 2'-10<45 , next point @0,1'-9" ,next point@-8',0
next point @0,-2'5"
switch polar tracking of 30,60,90
place cursor 30degree and type 2'-6"
RESULT -
GEOMETRY USING ARCHITECTRUL UNITS IS COMPLETE.
----ENGINEERING UNIT
TYPE UN and put engineering unit .
type 'rec' place enter
specify 1st corner point , enter D
lenth5'-.1"
width enter 3'-3"
specify other corner point.
type cha or chamfer in command line ,enter
enter distance .
specify 1st chamfer dis 2'-3.5"
second chamfer dis. ; 1'-9"
select both line
type l command line ,enter
specify start point ;@1'-3"
specify next point @1'-6"
type c press enter.
center point specify .
specify diameter of circle 1'-6"
delete unwanted line
dli command used for diamension.
result -geometry using engineering units complete .
Q ---procedure -
type UN and enter decimal unit
type l and enter
specify 1st point 1,1 ,next point @3,0 , next point @ 0,-.5 next point @2.5,0 next point @0,2.5
next point @ -2,0 next point @0,3 ,next point @-2.5,0 ,next point @ 0,-2.5 specify .
type l and enter
specify 1st point ,
specfy next point @0,3
next point @1,0 enter
type dli in command ,enter .give diamension.
RESULT --GEOMETRY USING DECIMAL UNIT COMPLETE.
Q--procedure--
Type un ,give enter decimal unit .
type REC command and enter ,
-specify 1st corner of reactangle
enter diamension
length 3
width 6
specify other corner .
type L for line
specify 1st point
specify next point @1.5,0
next point @0,6
on mid point object snap.
type C press enter .
radius .5
type offset on command and enter ,
offset value .5
-select circle to off set ,and click outside circle .
type REC ,press enter ,
specify 1st point corner .
enter diamension
lenth ;5.5
widh :6
specify other corner .
trim and eraseunwanted line .
type co ,enter
select reactangle abcd and clicl D for displacement and type @ 8.5,0
- specify base point asa and click enter
DLI for dimlinear on command line ,enter .
result - geometry using decimal units is complete .
Q- procedure -
type rec in command ,enter
specify 1st corner of reactangle e
enter D
give lenth 1.5
width .5
specify other corner point
type rec and pres enter
specify 1st corner of rec.
enter diamension
length .5
width 1.5
specify other corner point .
type CO ,enter .
select upper reactgle and click d for displacement ,type @0,.5
specify base point ,click enter .
type l command line press enter
specify 1st point , next point @0,-.5
next point @1.5,0 ,next point @ 0,1.5 ,nextpoint @-.5,0 next point @ 0,-1
next point@-1,0 specify .
type L and press enter .
join strat point and next point.
type REC ,press enter .
specify 1st point
enter diamension
lenth.5
width 1.5
specify other corner .
type REC , press enter .
specify 1st corner of reactanle as b .
enter diamension.
length ;1.5
width .5
specify oTYPEther corner
type co ,enter.
selt reactangle and displacement type @0,.5
specify base point ,enter .
result ';
geometry using decimal unit complete .
Q.PROCEDURE
TYPE C PRESS enter'
specify center point 5,5
specify radius 2
open offset and enter
give offset distance 5
select object to fffset clik outside circle
type L command ,enter
specify 1st point 5,5
specify next point @8.55,0
tppe o, command line ,enter
off distance .9
select object to offset clik top and bottom
close figure with 2 lines both sides.
trim and erase top and bottom line
type C and press enter specify center point a
radius .45
type c press enter
specify center point
radius .45
from draw panel selt start menu and radius potion arc menu
specify start point and end point .
radius of arc .90
from draw panel select start end option from arc .
specify start point and end point
radius of arc .9
object snap turn on tangent
draw line start point e to top of big circle and same procedure for other point
draw tangent top and bottom big circle .
trim unwanted line 
RESULT -THE GEMETRY USING DECIMAL UNITS IS COMPLETE