Catia Lab Manual

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DESCRPTION

Introduction

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1!

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Aircraft Seating Design Arrangements (General Class (2D

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INTRODUCTION

In cad laorator)* +e are going to stud) aout ,o+ to create a model of engineering o-ects and also ,o+ to create an asseml) of modeled o-ects. ,e modeling soft+ares li/e CAIA* CAIA* ro e* unigra,ics are generall) used in mec,anical engineering field for t,e modeling. In t,is la CAIA CAIA $ 201!3 soft+are is used to do t,e e3ercises. CAIA (Comuter Aided ,ree4dimensional Interacti5e Alication is a multi4latform CAD6CA76CAE. It is +ritten in t,e C88 rogramming language. Commonl) referred to as a !D 9roduct :ifec)cle 7anagement 7anag ement soft+are suite* CAIA CAIA suorts multile stages of roduct de5eloment (CA3* from concetuali;ation* design (CAD* manufacturing (CA7* and engineering (CAE. CAIA can e customi;ed 5ia alication rogramming interfaces (A9I. " can e adated adated in t,e =S* " rinciall) used iece+ise ol)nomial surfaces.

1.1 AN OVERVIEW OF CATIA DESIGN SOFTWARE 1.1.1 Optimal Sharing .

CAIA $ users +ill get access to a uni?ue* collaorati5e !4dimensional en5ironment t,at can e access ) an unlimited numer of eole online. ,is allo+s eole from across t,e gloe to collaorate in a 5irtual en5ironment. It ,as een designed to not onl) allo+ for online cooeration* ut also ma/es offline s,aring and designing eas) to integrate as +ell. 1.1.2. Simplii!" Pr#"$%t D!&!l#pm!nt.

Creating a ne+ roduct can e a long and comle3 rocess. It encomasses multile design ,ases including t,e initial design* o5erall de5eloment* and manufacturing. Catia $ decreases t,e comle3it) and lengt, of t,e entire ro-ect ecause it integrates 5arious stages of t,e de5eloment rocess so t,at t,e) can e controlled and modified on a single latform. It does t,is ) using an aroac, to s)stems engineering /no+n as <:9. ,is allo+s )ou to create se5eral se5eral 5ersions of t,e same roduct using different sets of re?uirements. re?uirements. ,is gi5es )ou a comre,ensi5e loo/ at +,at t,e final roduct could e.

INTRODUCTION

In cad laorator)* +e are going to stud) aout ,o+ to create a model of engineering o-ects and also ,o+ to create an asseml) of modeled o-ects. ,e modeling soft+ares li/e CAIA* CAIA* ro e* unigra,ics are generall) used in mec,anical engineering field for t,e modeling. In t,is la CAIA CAIA $ 201!3 soft+are is used to do t,e e3ercises. CAIA (Comuter Aided ,ree4dimensional Interacti5e Alication is a multi4latform CAD6CA76CAE. It is +ritten in t,e C88 rogramming language. Commonl) referred to as a !D 9roduct :ifec)cle 7anagement 7anag ement soft+are suite* CAIA CAIA suorts multile stages of roduct de5eloment (CA3* from concetuali;ation* design (CAD* manufacturing (CA7* and engineering (CAE. CAIA can e customi;ed 5ia alication rogramming interfaces (A9I. " can e adated adated in t,e =S* " rinciall) used iece+ise ol)nomial surfaces.

1.1 AN OVERVIEW OF CATIA DESIGN SOFTWARE 1.1.1 Optimal Sharing .

CAIA $ users +ill get access to a uni?ue* collaorati5e !4dimensional en5ironment t,at can e access ) an unlimited numer of eole online. ,is allo+s eole from across t,e gloe to collaorate in a 5irtual en5ironment. It ,as een designed to not onl) allo+ for online cooeration* ut also ma/es offline s,aring and designing eas) to integrate as +ell. 1.1.2. Simplii!" Pr#"$%t D!&!l#pm!nt.

Creating a ne+ roduct can e a long and comle3 rocess. It encomasses multile design ,ases including t,e initial design* o5erall de5eloment* and manufacturing. Catia $ decreases t,e comle3it) and lengt, of t,e entire ro-ect ecause it integrates 5arious stages of t,e de5eloment rocess so t,at t,e) can e controlled and modified on a single latform. It does t,is ) using an aroac, to s)stems engineering /no+n as <:9. ,is allo+s )ou to create se5eral se5eral 5ersions of t,e same roduct using different sets of re?uirements. re?uirements. ,is gi5es )ou a comre,ensi5e loo/ at +,at t,e final roduct could e.

1.1.'. S!aml!(( Tran(iti#ning.

E5er) 5ersion of t,e Catia design soft+are is designed to allo+ for seamless integration +it, re5ious 5ersions. ,is ma/es ugrading a simle rocess and can e comleted +it,out losing an) of t,e information t,at ,as alread) een stored. Catia design soft+are ,as found its +a) into more and more industries +it, eac, assing )ear. raditi raditionall) onall)** it gained notoriet) notoriet) t,roug, t,roug, ! main industries@ industries@ ,o+e5er e5er) industr) t,at is in5ol5ed in engineering ,as found it useful. Catia ,as ecome a leader in roduct de5eloment soft+are and ma) e e3actl) +,at is needed to o5ercome t,e s,ortcomings of CAD soft+are. 1.2 T##l )ar(

7an) standard toolars are used in t,e different modes li/e s/etc,er mode oerational mode etc* In catia soft+are. ere +e discuss aout t,e tool ars used in s/etc,er +it, some e3amles. 1.2.1 S*!t%h!r S* !t%h!r W#r* )!n%h T##l T##l )ar(

,ere are t,ree standard tool ars found in t,e S*!t%h!r W#r* )!n%h . ,e t,ree tool ars are s,o+n elo+. ,e indi5idual tools found in eac, of t,e t,ree tools are laeled to t,e rig,t of t,e tool icon. Some tools ,a5e an arro+ located at t,e ottom rig,t of t,e tool icon. ,e arro+ is an indication t,at t,ere is more t,an one 5ariation of t,at articular t)e of tool. ,e tools t,at ,a5e more t,an one otion t,at are listed to t,e rig,t of t,e default tool. o disla) t,e ot,er tool otions )ou must select and ,old t,e left mouse utton on t,e arro+ as s,o+n in Fig$r!1.1. ,is +ill ring u t,e otional tools Select arro+ Otional tools.

THE OPERATION TOOL BAR

T+E PROFI,E TOO, )AR

T+E CONSTRAINTS TOO, )AR

1.' Sp!%i- A W#r*ing Plan!

,e ne3t ste is to create a 24dimensional rofile of t,e art. ,e S*!t%h!r W#r* )!n%h is a t+o4dimensional (lanar +or/ area. o use t,e S*!t%h!r W#r* )!n%h )ou must

secif) +,ic, lane t,e rofile is to e created on. Secif)ing* t,e lane can e done se5eral different +a)s.

/X plan!

1.0 ODIFING T+E PROFI,E USING C+AFER

,e C,amfer icon is also located in t,e Oerations tool ar. ,is rocedure assumes )ou /no+ +,at a c,amfer is. ,e stes re?uired to create a c,amfer are almost identical to creating a corner. Select t,e C,amfer icon. ,e command romt at t,e ottom left ,and of t,e screen * +ill romt )ou +it, t,e follo+ingB Select t,e first cur5e* or a common oint.

,is tool allo+s )ou to create indi5idual constraints* one at time. ou ,a5e alread) alied a constraint and ma) not e5en /no+ it. ,e Anc,or icon is a constraint. ,e 5alues attac,ed to t,e C,amfer and Corner are constraints. o al) Dimensional Constraints comlete t,e follo+ing stesB 1. Select t,e Constraint icon. 2. Select t,e t,e line and6or S/etc,er element to to e constrained. !. ,e S/etc,er element +ill turn turn green (constraint s)mol along +it, t,e aroriate dimension and o3 +it, t,e 5alue in it. o re4locate t,e constraint 5alue* select t,e 5alue o3 and drag t,e mouse to t,e desired location.

5

". If t,e initial location of t,e constraint is not satisfactor) re4select t,e dimension and drag and dro it at t,e ne+ location. #. o edit t,e 5alue of t,e constraint doule clic/ on t,e 5alue o3. ,is +ill ring u t,e Constraint Definition o u +indo+ s,o+n in. ,is +indo+ s,o+s t,e e3isting 5alue fort,e S/etc,er element. ,is 5alue can e edited ) t)ing t,e ne+5alue o5er t,e e3isting 5alue. ,en select OF or ,it t,e Enter /e). ,e entities lin/ed to t,e constraint +ill automaticall) e udated to t,e ne+ 5alue. $. If t,e constraint is et+een t+o different entities* suc, as lines* select t,e first line and t,en t,e second line. CAIA # +ill constrain t,e distance et+een t,e t+o entities. ,e constraint 5alue +ill aear near t,e constraint. o mo5e t,e constraint 5alue.

1.7 Pra%ti%! E5!r%i(!(8 No+ t,at )our CAIA # tool o3 ,as some tools in it* ut t,em to use on t,e follo+ing ractice e3ercises. ,e s,aes are simle and can e comleted in one s/etc,. ,e dimensions reresent t,e constraints )ou are to use in t,e S/etc,er or/ =enc,. ,e first ractice e3ercise ,as t,e suggested stes to comleting t,e tas/ along +it, some ,elful ,intsH

$

Eac, suse?uent ractice e3ercise contains less suggested stes and ,elful ,ints. =) t,e last ractice e3ercise )ou +ill e on )our o+n. >sing t,e S*!t%h!r W#r* )!n%h and create t,e follo+ing rofile and e3trude to t,e dimensions s,o+n elo+. ,en comleted sa5e as CAT Part6.

1. Select t,e X lan e (t,e lane t,e rofile +ill e s/etc,ed on.eference Ste ! for information on selecting lanes. 2. Enter t,e S*!t%h!r W#r* )!n%h . eference Ste ". !. S/etc, t,e rofile of t,e art. intB use t,e Pr#il! tool. ". Anc,or t,e lo+er left ,and corner of t,e s/etc,.
%. Once in t,e Part D!(ign W#r* )!n%h e3trude t,e rofile to t,e dimension s,o+n (2. eference Ste 22 for e3truding a rofile. &. Sa5e t,e art as told in 4eference Ste2!for sa5ing a file. 7

,is art (rofile s,ould e straig,tfor+ard. ,is +ould e a good e3erciseto tr)

,is art (rofile s,ould e straig,tfor+ard. ,is +ould e a good e3erciseto tr) different met,ods of constraining and testing t,e results. Sa5e t,e s,ae as mensioned. E5!r%i(! 2.CAT Part6 .

,is ractice e3ercise is a little it more c,allenging* lets see +,at )ou can do+n +it, it. Sa5e t,is CA 9art as E5!r%i(! '.CATPart6.

8

It is not as comlicated as it loo/s. If )our grid Gra"$ati#n( is set to 10 -ust sna to t,e intersections for t,e eginning and ending oints of )our lines. o set t,e constraint for t,e angles select t,e angled lines and t,e angle constraint +ill aear. eference Ste 1' for modif)ing t,e angle 5alue. If t,e rofile gets o5er constrained delete t,e Parall!l constraint. Sa5e t,e file as 4 E5!r%i(! '.CATPart6 . ,is ractice e3ercise s,ould c,allenge )ou.

,is art can e done using t,e radius otion in t,e rofile command. =efore starting* set t,e grid Primar- Spa%ing to 1 and t,e Gra"$ati#n( to ".

S9ETC+ING WIT+ T+E PROFI,E ICON :RADIUS OPTION;

1. Starting at t,e ottom left corner of t,e art. 2. Select t,e Pr#il! icon from t,e rig,t menu ar. !. S/etc, t,e 5ertical 1.#0 inc, line t,at defines t,e left edge of t,e art.

9

". No+ s/etc, t,e first arc along t,e to of t,e art. o do t,is ,old do+n t,e left mouse

". No+ s/etc, t,e first arc along t,e to of t,e art. o do t,is ,old do+n t,e left mouse utton and drag it in t,e direction )ou +ant t,e arc to go t,en release t,e mouse utton. ,e arc +ill aear and allo+ )ou to drag and lace it +,ere )ou +ant. 9lace it on t,e grid intersection 2 inc,es ao5e t,e ottom of t,e art and a ,alf4inc, to t,e rig,t. ,is +ill onl) create ,alf of t,e arc needed* so t,e rocess +ill ,a5e to e reeated to s/etc, t,e ot,er ,alf of t,e arc. #.
,is +ill gi5e )ou more ractice using t,e line and corner icons. Sa5e t,is CA 9art as E5!r%i(! 3.CAT Part6

>se t,e :ine or 9rofile icon first to s/etc, t,e rofile using s,ar corners (no radius. Once it is constrained to t,e dimensions ao5e* go ac/ and add in t,e radiuses using t,e Corner icon. 

10

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ISOETRIC VIEW < 1

EX.NO 1 DATE8

AI8

9rearation of !D model using CAIA #.1& soft+are

TOO,S USED8

9ad* 9oc/eting etc.*

PROCEDURE8

1.

Clic/ t,e S/etc,er icon to start t,e Sketcher workbench.

2.

Select X* J* JX lane to define t,e s/etc, lane* no+ t,e S/etc,er +or/enc, is disla)ed* it contains t,e tools needed for s/etc,ing an) rofile.

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Select t,e rofile and dra+ t,e art +,ic, is gi5en in t,e model.

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>sing Constraint command t,e dimensions are modified as er t,e gi5en model.

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E3it t,e S/etc,er +or/enc,* clic/ Pad and gi5e t,e t,ic/ness for t,e art.

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Select t,e face to define t,e +or/ lane and dra+ t,e second element.

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>sing Pocket command material is remo5ed and t,e final model is created.

12

13

RESU,T8

,us t ,e gi5en !D model as e r t ,e dr a+ing is modelled us ing CAIA #.1& soft+are.

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EX.NO 2



EX.NO 2 DATE8

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18

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Select t,e define edges to e c,amfered and t,e final model is created.

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ASSE), OF S,EEVE AND COTTER OINT

EX.NO 11 DATE8

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9rearation of !D Asseml) model using CAIA #.1& soft+are

TOO,S USED8

E3isting Comonent icon* Smart mo5e* Constraining etc.* PROCEDURE8

1.

Assembly Design command is acti5ated to launc, t,e re?uired +or/enc,.

2.

,e commands for assemling arts are a5ailale in t,e toolar on t,e rig,t side of t,e alication +indo+.

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Clic/ t,e Existing Component icon in t,e 9roduct Structure toolar* t,en t,e
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o constrain a model for ositioning arts correctl) is carried using t,e 5arious constraints tools li/e Constraining and Manipulating and Select t,e f i3 comonent icon* to Fix a art in t,e sace.

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,en t,e arts are assemled in t,e follo+ing order Sleeve, Rod, Cotter ) adoting ao5e met,ods

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Select t ,e u date icon for assem l) to e ud ated* all ass eml) de sign models ar e ensured t,at it is in constraints condition efore t,e models are finis,ed.

#2

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ASSE), OF GI) AND COTTER OINT

EX.NO 12 DATE8

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,en t,e arts are assemled in t,e follo+ing order Fork, Block, Gib, Cotter ) adoting ao5e met,ods

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Select t ,e u date icon for a sseml) t o  e ud ated* all a sseml) de sign m odels a re ensured t,at it is in constraints condition efore t,e models are finis,ed.

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,en t ,e a rts a re a ssemled i n t ,e f ollo+ing or der Fork end, Eye end. Pin, Collr, T!er !in ) adoting ao5e met,ods

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Catia Lab Manual

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