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R6 IDW overriding dimension reverts to original value

3 REPLIES 3
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Message 1 of 4
Anonymous
199 Views, 3 Replies

R6 IDW overriding dimension reverts to original value

I know that overriding the dimensions of geometry is not a good practice and
I avoid doing it. That said, however, it sometimes is the most cost
effective solution to a minor change. I have one part that needs to have
one dimension changed from .074 to .080. If I try to change the feature in
the model that drives this dimension, I get a cascade of feature problems.
I do not want to take time at this stage to resolve all of those problems
for the sake of changing this one dimension. I decide to make an exception
and change the dimension manually. I go to tolerances and change the
nominal value. Presto the drawing looks right. Almost done, but I forgot
some minor cleanup another sheet of the same drawing. I do that work and
then print the drawing. I happen to double check the first sheet and find
that the .080 I entered and witnessed on screen earlier has now reverted to
and printed as the original .074. Scary. Did I not change/override in the
correct manner? If IV won't hold an override, it shouldn't accept it in the
first place. What I saw happen was a dimension changing with no warning on
a sheet that was not being altered, when the model was not being modified
dimensionally. Sure it is all the more reason to avoid overriding a
dimension, but man this is frightening. You don't expect to have to recheck
things that have not been changed. I hope I did something wrong in the
override, but it seemed to work as expected until..... Anyone know what is
going on with this? Thanks.

Ed R
3 REPLIES 3
Message 2 of 4
Anonymous
in reply to: Anonymous

I have something similarly but not so scary. I have a customer that wants a
" in the dimensions to show inches. I have this in my dimstyle as a suffix.
This requires me to edit the text in radiuses and diameters. I have to
remove the ". I have found version 6 putting it back in. At first I thought
is was a (edited) on my part but it has happened to many times. Had no
problem in 5.3



Al Jolley

ACJ Enterprises, Inc.
Message 3 of 4
Anonymous
in reply to: Anonymous

I guess I would be concerned WHY the other features are failing before I put
this part into my design.

Dennis

Ed Rasmussen wrote:

> I know that overriding the dimensions of geometry is not a good practice and
> I avoid doing it. That said, however, it sometimes is the most cost
> effective solution to a minor change. I have one part that needs to have
> one dimension changed from .074 to .080. If I try to change the feature in
> the model that drives this dimension, I get a cascade of feature problems.
> I do not want to take time at this stage to resolve all of those problems
> for the sake of changing this one dimension. I decide to make an exception
> and change the dimension manually. I go to tolerances and change the
> nominal value. Presto the drawing looks right. Almost done, but I forgot
> some minor cleanup another sheet of the same drawing. I do that work and
> then print the drawing. I happen to double check the first sheet and find
> that the .080 I entered and witnessed on screen earlier has now reverted to
> and printed as the original .074. Scary. Did I not change/override in the
> correct manner? If IV won't hold an override, it shouldn't accept it in the
> first place. What I saw happen was a dimension changing with no warning on
> a sheet that was not being altered, when the model was not being modified
> dimensionally. Sure it is all the more reason to avoid overriding a
> dimension, but man this is frightening. You don't expect to have to recheck
> things that have not been changed. I hope I did something wrong in the
> override, but it seemed to work as expected until..... Anyone know what is
> going on with this? Thanks.
>
> Ed R

--
Dennis Jeffrey
CAD Associates - Fort Wayne
Autodesk ASC
(260-432-9695 x 221
Message 4 of 4
Anonymous
in reply to: Anonymous

I stated earlier that over-riding dimensions is not good practice. I avoid
it where reasonable. This specific incident is about the third time in
1-1/2 years that I have over-ridden the dimension. The point is, if
Inventor will allow dimensions to be over-ridden, they should not revert
without notification. It would be better/safer if it were not allowed at
all.

Ed R


"Dennis Jeffrey" wrote in message
news:3DC41E3F.B1267EBE@cadassociates.com...
> I guess I would be concerned WHY the other features are failing before I
put
> this part into my design.
>
> Dennis
>
> Ed Rasmussen wrote:
>
> > I know that overriding the dimensions of geometry is not a good practice
and
> > I avoid doing it. That said, however, it sometimes is the most cost
> > effective solution to a minor change. I have one part that needs to
have
> > one dimension changed from .074 to .080. If I try to change the feature
in
> > the model that drives this dimension, I get a cascade of feature
problems.
> > I do not want to take time at this stage to resolve all of those
problems
> > for the sake of changing this one dimension. I decide to make an
exception
> > and change the dimension manually. I go to tolerances and change the
> > nominal value. Presto the drawing looks right. Almost done, but I
forgot
> > some minor cleanup another sheet of the same drawing. I do that work
and
> > then print the drawing. I happen to double check the first sheet and
find
> > that the .080 I entered and witnessed on screen earlier has now reverted
to
> > and printed as the original .074. Scary. Did I not change/override in
the
> > correct manner? If IV won't hold an override, it shouldn't accept it in
the
> > first place. What I saw happen was a dimension changing with no warning
on
> > a sheet that was not being altered, when the model was not being
modified
> > dimensionally. Sure it is all the more reason to avoid overriding a
> > dimension, but man this is frightening. You don't expect to have to
recheck
> > things that have not been changed. I hope I did something wrong in the
> > override, but it seemed to work as expected until..... Anyone know
what is
> > going on with this? Thanks.
> >
> > Ed R
>
> --
> Dennis Jeffrey
> CAD Associates - Fort Wayne
> Autodesk ASC
> (260-432-9695 x 221
>
>

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