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Section view has a pretty lame limitation. Please see attached pdf. The
section view is wrong, at least according to samples I found in my drafting
book (Engineering Drawing and Design by David Madsen). It can lead to
manufacturing mistakes. Maybe there is something I don't understand. Please
explain to me why Inventor is dealing with section the way it does. Drawing
was done in AIS2010.
--
Greg Oprzadek
Project Engineer
O.B. Williams Co.
www.obwilliams.com
The section is correct. You need to make your section view through the
whole part if you do not want it clipped off the sides. Drag the line out
wider so it encompasses your whole part width.
"greg oprzadek" <<> wrote in message news:6204425@discussion.autodesk.com...
Section view has a pretty lame limitation. Please see attached pdf. The
section view is wrong, at least according to samples I found in my drafting
book (Engineering Drawing and Design by David Madsen). It can lead to
manufacturing mistakes. Maybe there is something I don't understand. Please
explain to me why Inventor is dealing with section the way it does. Drawing
was done in AIS2010.
--
Greg Oprzadek
Project Engineer
O.B. Williams Co.
www.obwilliams.com
Thanks, but that is the whole point. I did not go outside the part. The
program should let me know that. What if you miss it by very small amount?
By placing visible edges where they don't belong it shows wrong information.
--
Greg Oprzadek
Project Engineer
O.B. Williams Co.
www.obwilliams.com
wrote in message news:6204428@discussion.autodesk.com...
The section is correct. You need to make your section view through the
whole part if you do not want it clipped off the sides. Drag the line out
wider so it encompasses your whole part width.
"greg oprzadek" <<> wrote in message news:6204425@discussion.autodesk.com...
Section view has a pretty lame limitation. Please see attached pdf. The
section view is wrong, at least according to samples I found in my drafting
book (Engineering Drawing and Design by David Madsen). It can lead to
manufacturing mistakes. Maybe there is something I don't understand. Please
explain to me why Inventor is dealing with section the way it does. Drawing
was done in AIS2010.
--
Greg Oprzadek
Project Engineer
O.B. Williams Co.
www.obwilliams.com
Greg, here's a tip for the centerline errors you showed in your sample. What I now do, if the part is revolved about an origin axis, is to (in the drawing browser), expand the node for the view, then expand the node for the model in the view. You should be able to then RMB on the origin axes and "Include" them.
<Josh_Petitt> wrote in
message news:6204443@discussion.autodesk.com...
Greg, here's a tip for
the centerline errors you showed in your sample. What I now do, if the part is
revolved about an origin axis, is to (in the drawing browser), expand the node
for the view, then expand the node for the model in the view. You should be able
to then RMB on the origin axes and "Include" them.
Brian, I hope you are involved in
development of the next release. This is a great idea. Although, additional box
could be placed on Drawing tab under Application Options to make it default for
all sections.
I wasn't quite sure about how the check box would work? The section view currently does crop to the section edges, but the cut edges are not the "correct" linetype. Are you suggesting that the checkbox (if left unchecked) would not crop the view?
ah, that would be another good addition. But what if you wanted the cut lines (i.e. wanted the section to crop the view)? There are times I use the section view specifically to "cut" out only part of a view.
excuse me for being dumb,
why would you want to section that or any part that way, what would you hope to detail by having the "head" in that view with cut edges ?
should that section not be either a full view or just a zero depth slice ?
what happens if you adjust the depth of the section to terminate inside the "head" ?
i understand the lines messing up the machinists out on the floor, but if you use eithe rof the other methods that is not an issue is it ?
Brian, besides the button giving the
option of cropping or not, I would like the lines to be of different type and on
different layer than visible edges. It is undesired to show hard
edges where they don't exist. I believe ANSI standard shows phantom line
where this happens.
I have to say that SW has
advantage here. At least, it warns you at time of creating the section, that it
is going to be partial, and gives you option of cropping or not.
This is a very simple part. In this
instance you are right. However, I am sure there are situation where you have to
show full depth section and then it does not work correctly.
excuse
me for being dumb, why would you want to section that or any part that way,
what would you hope to detail by having the "head" in that view with cut edges
? should that section not be either a full view or just a zero depth slice ?
what happens if you adjust the depth of the section to terminate inside the
"head" ? i understand the lines messing up the machinists out on the floor,
but if you use eithe rof the other methods that is not an issue is it ?
/curious
Nothing's stopping you from changing the linetype
or visibility of those cutting lines. I do agree, however, that they
probably should default to a different layer than visible edges.
brian r.
iwaskewycz
style="FONT-SIZE: 14pt; FONT-FAMILY: Verdana">inventor
specialist
I also think that the cut edges should look like break lines or phantom lines. I actually have a few parts where there is just supposed to be a partial section and then I have to actually make a sketch on the new section view and create my own break lines with the sketch. It works, but it is certainly not ideal.
IV2012
Windows XP SP3 32-bit Intel Core 2 Duo 6400 @ 2.13 GHz Nvidia Quadro FX 3450/4000 SDI 256MB Vram 2 GB Ram 160GB HDD
I would think the button should mimic that of the (IV2008) detail view 'cutout shape' button, and it should default to jagged lines, since no drafting standard in the world allows the broken edges of partial views/sections to be depicted as straight object edges.
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