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Hello Hugo. Your point of view is very interest, even, I think same as you. However finally I have solved my problem changing boundary conditions. In one support I have restrained in translation along x,y,z, but allowed to pivot around x,y,z and of other side restrained in translation along...

Hi guys! I have made a FEM analysis of a roller and the results show below. The forces acting are flexion and torsion. The diameter max. of the roller is 330 mm and 5000 mm of total length. I do not like high stress values in the fillet zone. I tried refine mesh but the values increase...

Finally I resorted to the standard. There I was able see what are the finished product tolerances (bent plate). Then I adjusted my design for meet such specifications. Thank you very much to all for your feedback. Sorry for my english! Greetings! "Persistence prevails, like a stream that is...

"If the rolls themselves are very large in diameter, they will be stiff in bending, but there will be a lower limit on the diameter of the workpiece you can roll. You have to find a compromise somewhere in that multidimensional space" Excellent point! I´m work about this. "I think you would...

I plotted deflection Vs. roller diameter. My problem is find in this range which is the optimum value of design. Is true, I do not believe that exist nothing of this in the codes, though I did think that there would be something to the structural case (see image). I have been trying to get in...

Hi friends: I am working in the design of a 3-Roll Plate Bending Machine of pyramidal disposition. I am writing to enquire about the deflection rolls. I would like to know what is the maximum value or limit permissible deflection for the rollers. I suppose that exist standards or...

Dear Ian, please do not worry. You have been very helpful. I not have the input/output files for the APDL analysis, because the analysis sucssefull that is seen in this video, belongs to a user of youtube. I've tried all the contacts and none worked. Finally I decided to remove the bottom...

Friends, thanks for the help, but for now, I have not been able to solve it. I will continue trying. When you have an answer I will make you know. I leave the geometry of the problem in case anyone wants to try. Thank you very much...

Hello Ian! Thank you for your comments and suggestions! I don´t think that the problem is the mesh, I am inclined to think this is because the boundary conditions or contacts. In any case proves refining the mesh. I have restricted movement in the direction perpendicular (Z) to the plate in two...

Hello everyone. I'm trying to simulate the bending of a plate in ANSYS WB. I had to play some advanced options that not finish understand. I have some screenshots to see where I was. I've drawn a small geometry in MD, just a test. I want to know the support reactions plastic...