Download - Sheet Metal Corner Seams and Reliefs
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Sheet Metal Corner Seams and Reliefs
Estimated Time Required to Complete: 30 minutes
Use with: Autodesk Inventor 2010 or Autodesk Inventor ro!essional 2010
Scenario
"ou are optimi#in$ the ele%tri%al &o'( and )ou need to assess the di!!erent %orner t)pes
in the model and !lat pattern* "ou will appl) the di!!erent %orner options( override the
st)le settin$s( and o&serve the %han$es*
In this Exercise
In this +kill ,uilder( )ou learn to:
Edit sheet metal %orners
+et sheet metal de!aults
Workflow Overview
-ownload the !ile Ele%tri%al ,o'*#ip*
E'tra%t the part !ile*
Edit the part and the sheet metal st)le*
Prerequisites
.ave Inventor 2010 installed*
Complete the +heet /etal arts tutorial or have e'perien%e usin$ sheet metal*
-ownload and un#ip the #ip !ile %ontainin$ the sour%e !iles to use durin$ this
e'er%ise*
Download
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ele%tri%al&o'*#ip#ip 4015&
The #ip !ile %ontains an Autodesk Inventor 2010 model named Ele%tri%al ,o'*ipt
Sheet Metal Overview
+heet metal !eatures are driven &) !un%tional( appearan%e( manu!a%turin$( and %ost%onsiderations* Corner seams de!ine the $ap &etween ad6oinin$ !a%es and whether one
ed$e overlaps the other* Corner relie!s provide end %learan%e !or the sheet metal &rake
die( &ut the resultin$ $ap a!!e%ts appearan%e and there is a %ost !or pun%hin$ ea%h relie!*
I! the %orner will &e welded( then the smallest possi&le $ap is required*
"ou %an %ontrol the $eometr) and the si#e o! %orner seams and relie!s* 7hile this
appears strai$ht!orward( the %om&ination o! settin$s %an produ%e si$ni!i%antl) di!!erent
results*
Corner seam overlap
Corner seam $ap
Corner relie! shape
Corner relie! si#e
Sheet Metal Rules
The sheet metal rule is a %olle%tion o! settin$s !or a sheet metal part* In a nutshell( the
rule de!ines the material and thi%kness( the un!oldin$ method( the &end radius and end
relie!s( the %orner $ap and the %orner relie! shape and si#e* +heet metal rules are
e'tremel) power!ul &e%ause the) let )ou set de!aults !or )our parts and the) let )ou
easil) make %han$es to a desi$n( su%h as %han$in$ the material or thi%kness*
1* 8pen the Electrical ox!i"tpart*
2* 8n the +heet /etal ta&9 +etup panel( %li%k +heet /etal -e!aults to displa) the
+heet /etal -e!aults dialo$ &o'* Cli%k the pen%il i%on ne't to the +heet /etal
Rule sele%tor to laun%h the +t)le and +tandard Editor*
http://images.autodesk.com/adsk/files/electrical_box.ziphttp://images.autodesk.com/adsk/files/electrical_box.ziphttp://images.autodesk.com/adsk/files/electrical_box.zip -
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3* The sheet metal rule has ta&s !or +heet( ,end( and Corner settin$s* ote that the
/iter;Rip;+eam inear 7eld( and Ar% 7eld*
4* Close the +t)le and +tandard Editor and the +heet /etal -e!aults dialo$ &o'es
without savin$ %han$es*
Creatin# Corner Seams and Reliefs
Inventor has two methods to %reate %orner seams* I! )ou add %orner seams a!ter %reatin$
!a%es and !lan$es( a dialo$ provides a%%ess to the %ontrols !or the overlap( $ap( and
relie!* I! )ou %reate a multied$e !lan$e( %orner seams are automati%all) %reated !or
ad6a%ent !lan$es* Instead o! a dialo$( $l)phs displa) at ea%h %orner( and )ou dou&le
%li%k to laun%h an edit dialo$* This skill &uilder !o%uses on %orner seams %reated with
multied$e !lan$es*
Modif$in# Multi%Ed#e &lan#e Corner Seams
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Corner seams de!ine how two !a%es meet* /ultied$e !lan$es automati%all) %reate
%orner seams &etween ad6a%ent ed$es* The de!ault %orner seam $aps and relie!s are
applied( and %han$es %an &e made &) dou&le%li%kin$ a $l)ph in the $raphi%s window*
The work!low is the same whether )ou are %reatin$ or editin$ the %orner seam*
1* In the &rowser( e'pand &lan#e'and dou&le%li%k Corner(* The !lan$es displa)in preview mode and edit $l)phs displa) at ea%h %orner*
2* Cli%k the $l)ph in the !ore$round* The Corner Edit dialo$ displa)s* There are
two rows o! %ontrols* The upper row is !or the %orner seam while the lower rowis !or %orner relie!s* "ou will learn a&out %orner relie! editin$ in the ne't
se%tion*
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The %he%ked &o' ne't to the %orner seam i%on indi%ates that the de!ault %orner
seam t)pe is overridden and edita&le* Cli%k to remove the %he%k mark( and the
%orner preview %han$es* An overlap %orner seam was applied( &ut it is now the
de!ault s)mmetri% t)pe*
3* Cli%k O)* The model returns !rom the edit state with the updated %orner seam*
7hen )ou edit the %orner !eature rather than the !lan$e !eature( )ou %an onl)
modi!) one %orner seam* -ou&le%li%k &lan#e'to edit the !eature* "ou %an dra$
the ?lan$e dialo$ &o' o!! to the side sin%e )ou will &e workin$ entirel) in the
$raphi%s window* Cli%k the $l)ph on the ri$ht* The Corner Edit dialo$ &o'displa)s* +ele%t *o Seam!rom the %orner seam dropdown list and %li%k O)*
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=* Cli%k the $l)ph on the le!t* The Corner Edit dialo$ &o' displa)s* +ele%t Overla"
!rom the %orner seam dropdown list* Cli%k the
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4* Cli%k O) in the ?lan$e dialo$ &o' to !inish edit* Cli%k &RO*.on the view
%u&e and %ompare the !our %orners*
a* The ori$inal reverse overlap %orner seam is in the upper le!t*
&* In the upper ri$ht( the !lan$es end at the point where the &end #ones
interse%t*
%* In the lower le!t( the &ottom !lan$e partiall) overlaps the side( and the$ap is in%reased*
d* In the lower ri$ht( the !lan$es do not overlap( and the $ap whi%h is
measured &etween the inside ed$es*
@* Ri$ht%li%k on Corner(in the &rowser and sele%t Reset /ll Cornersto prepare
the part !or the ne't se%tion* It simpli!ies learnin$ a&out the di!!erent %orner
relie! options i! the part has the ori$inal %orner settin$s*
Modif$in# Corner Reliefs
1* 8pen Ele%tri%al ,o'*ipt( i! ne%essar)( and rotate the view to look at the round
%orner relie!s* -ou&le%li%k on &lat Patternin the &rowser and #oom in on a%orner relie!* The &end lines have a thi%k dotdash line st)le( and the &end
e'tents have a dotted line st)le* ote in the ima$e &elow that the %orner relie!
prevents the &end e'tent lines !rom tou%hin$*
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The %orner relie! is supposed to prevent the de!ormation and tearin$ that o%%urs
i! the &ends overlap* I! the %orner relie! is too small( Inventor %annot %reate the
!olded model $eometr)* It su&stitutes the Trim to ,end relie! shape in the !olded
model &ut will still show the relie! in the !lat pattern*
2* E'pand &lan#e' in the &rowser and dou&le%li%k Corner(* Cli%k the %orner i%on
in the !ore$round( sele%t the Corner Relie! +i#e %he%k&o' and enter +!'*
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Cli%k O)to return to the !olded model* Rotate the model so )ou %an view the
%orner* +in%e this value is too small( the &ends have &een trimmed &a%k to the
interse%tion point*
-ou&le%li%k &lat Patternin the &rowser to a%tivate the !lat pattern view* ote
that one %orner relie! is mu%h smaller* Even thou$h Inventor did not %reate the
$eometr) in the !olded model( it still put the %orner relie! in the !lat pattern*
3* -ou&le%li%k &olded Modelin the &rowser and press ?@ to return to the home
view* -ou&le%li%k &lan#e'and %li%k the !ore$round %orner i%on a$ain* In the
Corner Edit dialo$ &o'( sele%t the %orner Relie! %he%k&o' and %han$e the
sele%tion to Default 0Round1*
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This overrides an) edits and returns the settin$s to the de!aults* ote that even
thou$h the Relie! +i#e settin$ is disa&led( it is still sele%ted and retains the value*
Cli%k O)to a%%ept the %han$es*
=* Cli%k the %orner i%on on the ri$ht side* In the Corner Edit dialo$ &o'( sele%t the%orner Relie! %he%k&o'( and then sele%t Square!rom the relie! t)pe list* "ou %an
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use a smaller square relie! and still %ut the &end #ones* Chan$e the relie! si#e to
23',and %li%k O)*
4* Cli%k the %orner i%on on the le!t side* In the Corner Edit dialo$ &o'( sele%t the
%orner Relie! %he%k&o'( and then %han$e the relie! t)pe to .ear( whi%h simulates
the no %orner relie! %ondition* The !olded model will have a small $ap or tear*+eparate the &ends and the !lat pattern wont have a %orner relie!* Cli%k O) to
%lose the dialo$ &o'*
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@* Cli%k the %orner i%on in the &a%k* Even thou$h it is o&s%ured &) the preview( )ou
%an still sele%t it without %han$in$ the view* In the Corner Edit dialo$ &o'( sele%t
the %orner Relie! %he%k&o'( and then sele%t .rim to end as the relie! t)pe*
This trims the &ends &a%k to the interse%tion point*
Cli%k O)to %lose the Corner Edit dialo$ &o' and %li%k O)to %lose the ?lan$edialo$ &o'* I! an error dialo$ &o' displa)s( %li%k A%%ept* Chan$es to the %orner
relie!s %an %ause the i?eatures to lose their insertion points*
B* -ou&le%li%k &lat Pattern in the &rowser* 8&serve the di!!erent shapes and
si#es o! the %orner relie!*
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* -ou&le%li%k &olded Model in the &rowser( and then dou&le%li%k &lan#e'*
Cli%k the %orner i%on in !ront( %han$e the relie! t)pe to 4inear Weld( and %li%k
O)*
D* Cli%k the %orner i%on on the le!t side( %han$e the relie! t)pe to /rc Weld( and
%li%k O)*
10* Cli%k O)to %lose the ?lan$e dialo$ &o' and dou&le%li%k &lat Patternin the
&rowser* oom in on the linear and ar% weld %orner relie!s* The names re!er tothe $eometr)( not the weldin$ pro%ess* The linear weld has strai$ht ed$es while
the ar% weld has %urved ed$es*
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ote: The ar% weld relie! is intended !or lar$e radius &ends* A tank or vat
usuall) has lar$e radius &ends to simpli!) %leanin$( and this relie! provides a
$ood $ap !or !ull penetration welds*
Con$ratulationsF "ou have learned how the %orner seam and %orner relie! settin$s a!!e%t
the model and !lat pattern*
>ets review )our a%%omplishmentsG
Summar$
In this +kill ,uilder )ou: >earned the %orner settin$s in the sheet metal rule*
/odi!ied %orner seams in the model*
/odi!ied %orner relie!s in the model*
>earned how %orner relie! settin$s %han$e the !lat pattern*
What5s next6
ow that )ou understand %orner settin$s( )ou %an e'periment with &end settin$s* "ou
%an also %reate new sheet metal rules with the %orner settin$s )our %ompan) uses*
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