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is it a bug?

Re: is it a bug?

commenting would have consumed more time than realizing that you waste time coming on this page

Re: is it a bug?

Jehan.... have you found a solution among the replies that has helped with your query?

Re: is it a bug?

I have been out for a week...festival time so ..and came back yesterday night...i gave a try to what Rohit said...and asked one of my colleague to compare the same result with a software called logo press(add in to check flatten form and other things too) i will come up with few other comparison and let you know how much error it causes with other components...as flatten quilt doesn;t take into account this y-k factor and also thinning or stretching.i ll also look into other solution u gave too!!its morning and going to office

Re: is it a bug?

There is only one other gotcha I found. If the form tool removes material, flattening forms will add that material back. You have to somehow remove the material other than forms if you need an accurate mass with forms flattened. Extrude or hole feature will work. Just another non-intuitive requirement to complicate efforts that should be built in.

Attached is a test file i've been playing with: Creo 2.0

smt_mass_prop.PNG

Re: is it a bug?

yess...this can be easily dealt when we have a simple geometry unlike the louver !!!...i have the my product in production lets see if the all dimensions are accurate how much difference it makes!! i will share the details of original blank and its weight and final one !!

Re: is it a bug?

Be sure the shop confirms thier Y or K factor correction for their calculations. You also want to confirm their break die radius is the same as yours. The only remaining variable will be the actual sheet thinkness which could be as much as +/-10% of the mass with thinner gauges.

In the sample above, I get a nearly 10% difference between the formed mass and the true flat state mass.