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 point@2.12<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