I am lofting some steel chute-work of the square-to-round type. Which is the best work-flow; to loft as a surface, and then thicken to the plate thickness, or to loft as a solid, and then shell?
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I am lofting some steel chute-work of the square-to-round type. Which is the best work-flow; to loft as a surface, and then thicken to the plate thickness, or to loft as a solid, and then shell?
Solved! Go to Solution.
Solved by JDMather. Go to Solution.
Shell will not return correct results.
The best workflow is probably to use the sheet metal Lofted Flange.
More information would be needed to suggest any other workflow. (as it is, you have not even stated what version of Inventor you are using)
Attach the file(s) of what you have attempted so far.
Shell will not return correct results.
The best workflow is probably to use the sheet metal Lofted Flange.
More information would be needed to suggest any other workflow. (as it is, you have not even stated what version of Inventor you are using)
Attach the file(s) of what you have attempted so far.
If you have an old Inventor I think there is a square to round on CBLISS.
If you have an old Inventor I think there is a square to round on CBLISS.
Using Inventor 2009. I went with a thickened surface in the end, which seemed to work pretty well. I'm quite shakey on Sheet Metal work. I'm interested to know why shelling would not be satisfactory, though.
Using Inventor 2009. I went with a thickened surface in the end, which seemed to work pretty well. I'm quite shakey on Sheet Metal work. I'm interested to know why shelling would not be satisfactory, though.
@Anonymous wrote:I'm interested to know why shelling would not be satisfactory, though.
Shell does not result in cut edges at the end perpendicular to the flat.
I will try to post example images later today or sometime tomorrow.
Does your part actuall flatten? (Takes some special effort before Inventor 2010 added Lofted Flange).
@Anonymous wrote:I'm interested to know why shelling would not be satisfactory, though.
Shell does not result in cut edges at the end perpendicular to the flat.
I will try to post example images later today or sometime tomorrow.
Does your part actuall flatten? (Takes some special effort before Inventor 2010 added Lofted Flange).
Fair enough about the shelled edges; that makes sense. The part doesn't need to be flattened, so that's not an issue for me.
Fair enough about the shelled edges; that makes sense. The part doesn't need to be flattened, so that's not an issue for me.
. The part doesn't need to be flattened, so that's not an issue for me.
I would be inclined to take issue with this statement! If a part is to be manufactured it will need to be flattened because that is the form that the material comes in. True some parts are streched and deformed (stamping for example) but 99% of all steel components need to be flattened to be manufactured. even if you are learning to use the program while modeling parts you are not really learning the program if you do not make sure the parts you create can be manufactured.
Sorry for the rant but we have far too many young engineers that design great parts that unfortunately can not be manufactured. Not sure if you are a student but designing something that doesn't need to be manufactured sounds like you are.
. The part doesn't need to be flattened, so that's not an issue for me.
I would be inclined to take issue with this statement! If a part is to be manufactured it will need to be flattened because that is the form that the material comes in. True some parts are streched and deformed (stamping for example) but 99% of all steel components need to be flattened to be manufactured. even if you are learning to use the program while modeling parts you are not really learning the program if you do not make sure the parts you create can be manufactured.
Sorry for the rant but we have far too many young engineers that design great parts that unfortunately can not be manufactured. Not sure if you are a student but designing something that doesn't need to be manufactured sounds like you are.
I'm nearer retirement age and than a student, and, with respect, Jim, you're assuming quite a bit about the nature of the model/drawiing I'm producing. I am not producing fabrication/detail drawings. If I were, then the model would merit a more detailed approach, as you say.
I'm nearer retirement age and than a student, and, with respect, Jim, you're assuming quite a bit about the nature of the model/drawiing I'm producing. I am not producing fabrication/detail drawings. If I were, then the model would merit a more detailed approach, as you say.
Sorry, true I made a big assumption, I should have looked at your status and seen that you are not a new student looking for fast answers. Ii just get tired of seeing people make models that do not take manufacturability into account and then giving them to the floor to make. Then they insist that the dumb people on the floor are making the mistakes because it looks good on their computer screen. It's a frusteration of mine so I tend to jump to far there sometimes.
Sorry, true I made a big assumption, I should have looked at your status and seen that you are not a new student looking for fast answers. Ii just get tired of seeing people make models that do not take manufacturability into account and then giving them to the floor to make. Then they insist that the dumb people on the floor are making the mistakes because it looks good on their computer screen. It's a frusteration of mine so I tend to jump to far there sometimes.
No worries Jim. I found that a simple loft with rails gave me pretty much what I was looking for.
No worries Jim. I found that a simple loft with rails gave me pretty much what I was looking for.
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