Inventor General Discussion

Inventor General Discussion

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Valued Contributor
rstadler
Posts: 59
Registered: ‎12-11-2003
Message 1 of 18 (72 Views)

Weldment Assemblies w/ common subparts

72 Views, 17 Replies
11-14-2002 12:14 AM
I need to create two weldment assemblies that are mirrored. The weldments do not become right and left handed until after they are machined. Inventor won't let you mirror an assembly (why Autodesk?) so I have created two IAM files (one RH, one LH). Since the assemblies are indentical in the as-welded state, I used the same IPT files to create the RH and LH IAMs. I added the machining features to the first part with no problems (the assembly saved fine). Problems surfaced after adding the machining features to the second part. The features added OK, but when I went to save the second assembly, I got a "Persistance Error" and assembly would not save. The only way I found around this problem was to create indepenant IPT files for each weldment assembly. Seems like a terrible waste to create twice as many IPT files as needed (remember the as-welded assemblies are identical). Im I missing something here? Is my answer awaiting in the illusive and much anticipated SP1?
*Keller, Kent
Message 2 of 18 (72 Views)

Re: Weldment Assemblies w/ common subparts

11-14-2002 12:24 AM in reply to: rstadler
I haven't tried it in the weldment environment, but you might try deriving the weldment,
and using the mirror option

--
Kent
Member of the Autodesk Discussion Forum Moderator Program


"rstadler" wrote in message news:f123557.-1@WebX.maYIadrTaRb...
> I need to create two weldment assemblies that are mirrored. The weldments do not become
right and left handed until after they are machined. Inventor won't let you mirror an
assembly (why Autodesk?) so I have created two IAM files (one RH, one LH). Since the
assemblies are indentical in the as-welded state, I used the same IPT files to create the
RH and LH IAMs. I added the machining features to the first part with no problems (the
assembly saved fine). Problems surfaced after adding the machining features to the second
part. The features added OK, but when I went to save the second assembly, I got a
"Persistance Error" and assembly would not save. The only way I found around this problem
was to create indepenant IPT files for each weldment assembly. Seems like a terrible waste
to create twice as many IPT files as needed (remember the as-welded assemblies are
identical). Im I missing something here? Is my answer awaiting in the illusive and much
anticipated SP1?
Valued Contributor
rstadler
Posts: 59
Registered: ‎12-11-2003
Message 3 of 18 (72 Views)

Re:

11-14-2002 12:34 AM in reply to: rstadler
You can't derive an assembly. You can only derive parts. Rick
*Dotson, Sean
Message 4 of 18 (72 Views)

Re: Weldment Assemblies w/ common subparts

11-14-2002 12:35 AM in reply to: rstadler
Haven't used it yet but maybe this is a possibility
if Kent's suggestion doesn't work

 



--
Sean Dotson, PE

href="http://www.sdotson.com">http://www.sdotson.com

...sleep is for the
weak..
-----------------------------------------


style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
I
need to create two weldment assemblies that are mirrored. The weldments do not
become right and left handed until after they are machined. Inventor won't let
you mirror an assembly (why Autodesk?) so I have created two IAM files (one
RH, one LH). Since the assemblies are indentical in the as-welded state, I
used the same IPT files to create the RH and LH IAMs. I added the machining
features to the first part with no problems (the assembly saved fine).
Problems surfaced after adding the machining features to the second part. The
features added OK, but when I went to save the second assembly, I got a
"Persistance Error" and assembly would not save. The only way I found around
this problem was to create indepenant IPT files for each weldment assembly.
Seems like a terrible waste to create twice as many IPT files as needed
(remember the as-welded assemblies are identical). Im I missing something
here? Is my answer awaiting in the illusive and much anticipated
SP1?
*Dotson, Sean
Message 5 of 18 (72 Views)

Re:

11-14-2002 12:37 AM in reply to: rstadler
Yes you can Rick.  Start a new part, derive
part and select the assembly.  It will turn the entire assembly into one
derived part.


--
Sean Dotson, PE

href="http://www.sdotson.com">http://www.sdotson.com

...sleep is for the
weak..
-----------------------------------------


style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
You
can't derive an assembly. You can only derive parts.
Rick
*Singlehurst, Rob
Message 6 of 18 (72 Views)

Re:

11-14-2002 12:41 AM in reply to: rstadler
Rick,

I'm pretty sure (just done it!!) that you can derive assemblies into a
part. Then create a derived mirrored component from that part.

Cheers,

--Rob Singlehurst
"rstadler" wrote in message
news:f123557.2@WebX.maYIadrTaRb...
> You can't derive an assembly. You can only derive parts. Rick
Valued Contributor
rstadler
Posts: 59
Registered: ‎12-11-2003
Message 7 of 18 (72 Views)

Re:

11-14-2002 12:44 AM in reply to: rstadler
Actually, I have tired this before, but I don't see a mirror option when you derive an assembly. Rick
*DJSpaceMouse
Message 8 of 18 (72 Views)

Re:

11-14-2002 12:49 AM in reply to: rstadler
You can't directly created a derived part of an
assembly that is a mirror image.  You have to derive the assembly into a
part, then derive that derived part with the mirror option checked.


style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
Actually,
I have tired this before, but I don't see a mirror option when you derive an
assembly. Rick
Valued Contributor
rstadler
Posts: 59
Registered: ‎12-11-2003
Message 9 of 18 (72 Views)

Re:

11-14-2002 12:51 AM in reply to: rstadler
So it's a two step operation. #1 Create new part and derive the assembly into that part (with same handedness). #2 Create new new part and derive and mirror the first derived part into the second derived part. Is this the process?... You put your left foot in, you put your left foot out, you chuck IV6 out the window and buy something else...
*Dotson, Sean
Message 10 of 18 (72 Views)

Re:

11-14-2002 12:55 AM in reply to: rstadler
Yes it's a 2 step process...

 

If you can find the perfect CAD package that does
EVERYTHING then yes...(and be sure to tell us what it is..)


--
Sean Dotson, PE

href="http://www.sdotson.com">http://www.sdotson.com

...sleep is for the
weak..
-----------------------------------------


style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
You
put your left foot in, you put your left foot out, you chuck IV6 out the
window and buy something else...
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