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Hi All, I had a doubt about performing an FEA on an Flange bolted connection. The flanges are designed as per ASME B16.5. Line Size: 24in 900ANSI MOC: A182 F316L Stud and Nut: B7 & 2H Torque on stud: Stud is tensioned to 50ksi and the torque applied is 8782 ft lbs (I converted this...

Hi All, I had a doubt about performing an FEA on an Flange bolted connection. The flanges are designed as per ASME B16.5. Line Size: 24in 900ANSI MOC: A182 F316L Stud and Nut: B7 & 2H Torque on stud: Stud is tensioned to 50ksi and the torque applied is 8782 ft lbs (I converted this torque...

Hi All, I did some modifications to my FEM. Earlier we were not using a gasket in the assembly, hence the stresses from the bolt preload directly got transferred into the weld area causing it to go beyond the yeild value. Also we are considering that the after welding the weld area will have...

Hi, I'm new to FEA analysis. We design our valves considering wall thickness from B31.3 and the weld bevel dimensions as per B16.25. Our valves are not failing at hydrotest pressure (1.5 * working pressure) during actual testing. But while performing FEA on the valve the weld joint is showing...

Hi, I want to calculate the stresses generated at the Bolt connections (between the flanges of the valve and the pipe) due the working pressure of the fluid in a valve. Is there a way by which we can avoid creating the flange of the pipeline and create a virtual wall to constrain the bolts...

Hi, I want to calculate the stresses generated at the Bolt connections (between the flange of the valve and the pipe) due the internal pressure of the fluid in a valve. Is there a way by which we can avoid creating the flange of the pipeline and create a virtual wall to constrain the bolts? Thnx!

Hi John, While inserting the base view in a drawing template I couldn't find the reference set option which is there while adding a component in assemblies. Could you inform me how to do that? Thanx Gokulkrishna...

Hi John, Your approach is working fine till I have a single file for both the model and the drawing. But when I make a seperate file for the drawing and then link it to the model this intersection point is not visible. We have to prepare seperate drawing files as there will be 3-4 part file...

Hi, Please find the model. When we edit the sketch 2, the line 1 should be collinear with the edge marked in red(attached snap) and line 2 should be collinear with the edge marked in green. Also if you enter the drafting enviornment of this particular model, I drew a arc and made it...

Please ignore the previous post. Accidently posted it here...

Hi, Please find the model. When we edit the sketch 2, the line 1 should be collinear with the edge marked in red(attached snap) and line 2 should be collinear with the edge marked in green. Also if you enter the drafting enviornment of this particular model, I drew a arc and made it concentric...

Hi, I'm unable to constrain a line to be colinier to the edge of a cylinder previously extruded even after trying the different filters. Even (in drafting enviornment) while inserting the base view the cylinder (side view --> circular end), entered the Active sketch mode and drew a cirlce. I...

Hi John, Consider that I have created a datum plane at "X" distance from the origin in the master model. Now I want the distance to "X" for 2 part files and ".5X" to the remaining two part files. How can I do achieve this without calling this "X" dimension in the part families table of the...

Hi, I'm using NX8.5 and both the ways are working fine. John : After using the perimeter dimension, when I go to tools the expressions option is greyed out. So I had to right click on the curve and select Remove all Constrains. Is this the correct way? Thank you!!

Hi, In drafting enviornment, once a line is drawn and dimensioned its length can be changed by double clicking and then entering the required length. But the same is not happening while drawing a arc. THanx

Hi, Is there a way around to configure a certain parameter without calling it from the part family table. For e.g. if I created 4 part files(child parts) from 1 master model and I have 5 parameters being controlled from the part family table. Is there a way to control a 6th parameter without...

Hi, Is there a way to add views from two/more part files into a single drawing file without creating their assembly? Thanx...

Hi, Consider that a master model and 4 child/clone parts using part families. Now when we move these file locations say from local machine to server how can we make the address where the child parts created (Tools --> Part families)automatically update to whatever the master model location is...

Hi, I have been facing 3 problems while modeling in NX8.5 1. Lets consider I'm making a cube with the length, breadth and heigth and then controling them from the part families table. Now the issue is like if i edit these parameters from part families spreadsheet they get updated in the model...

Hi, After too many trial and error, I got rid of the Lightweight dialog box. Also I selected the view and then Selected Expand, drew a basic curve and then called it from the break out command, got the result I wanted. But still I'm unaware to how I should tackel this lightweight problem if it...