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BEND NOTES ANGLE
aris_setyawan
Member Posts: 9 EDU
in General
How wonderful it would be to have a new way or feature in the bending notes. What I need right now is bend notes that can be edited for the required outer or inner angle, considering that sheet metal work for the bending process requires an inner angle.
Example: when bending this plate, I need a 135-degree angle, but currently, it shows 45 degrees, which causes confusion during the production process.
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I can't say I've ever seen anyone use that convention before; The sheet starts out flat, and you bend it through 45° - hence bend it up or down 45°.
That said I will often put a note on my drawings along the lines of: "Flat pattern dimensions for reference only, final dimensions to be as per folded views". Because the flat dimensions in my case are always theoretical and not from a tested flat pattern, I can't be certain they'll be right. I only care that it ends up in the form I need, not how it starts out or necessarily how that form is achieved; particularly if bend radii aren't matched to the model.
It should encourage whoever's making it to verify their understanding will get them whatever outcome you're looking for rather than blindly following bend notes.
Thank you for your attention, @Oliver_Couch. The bending machine operator is used to using a 180° reference for intact plates and is accustomed to using finished dimensions, such as in this case, 135°. There is a concern that this process might be bent the other way around, even though the finished shape is already indicated in the drawing. This is just to anticipate any mistakes.
After looking into a number of topics regarding these bending notes, I am happy to have discovered the solution, which is really beneficial.
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