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Some times plastics threads make a squeaking sound when unthreaded. If the material can not be changed for the application, can this problem be addressed with a different thread design (pitch to diameter ratio, thread section profile, etc…)?

I have to specify a thread in a plastic container with lid, the container will have an o-ring and is intended to hold 1 liter of water. The diameter is approximately 110.00 mm and the pitch should be about 10 mm. I am looking for a standard specification for the thread tooth cross section...

I will like to set up attributes in my model that would automatically populate the drawing title-block for things like drawn by, date, etc. We do not use the master model concept, so the model and the drawings are on the same file. We are currently using NX3.

If I drag and drop a .jt file to a PowerPoint document, and email this file to someone, which have Microsoft Office but not JT2Go, would they be able to open the PowerPoint document, and pan, zoom or rotate the .jt model?

Has any one read the book “Computer Aided Design with Unigraphics NX3: Engineering Design in Computer Integrated Design and Manufacturing” by H Felix Lee and David Fulton (ISBN: 0-7575-2196-7)? If you have read it, what is your opinion? Can you compare it to "Practical Unigraphics NX3...

I am looking for suggestions on how to create 3 sided surfaces. What commands I could try? Any special technique or procedure I should look into? Thank you in advance.

Does anyone have recommendations for non software specific FEA training?

I am providing a supplier with IGES files exported from NX2; the supplier is importing the files into Rhino 3.0. He is able to open the files, but the surfaces do not maintain their tangent continuity. Is there any set up I can change from my side to increase the chances of the supplier...

I need to create a circular array of a free form feature and I do not have UDF license. Are there any works around to accomplish this?

Can anyone recommend an additive or process that would make a polyolefin (injection molded) less permeable to oxygen or water vapor?

If I have an assembly of two parts, can I mesh one part with a fine mesh density and the other part with a course mesh density without using Superdraw?

Could anyone tell me if there are standard dimensions and tolerances for Christmas Mini Lights? Hector

Could anyone tell me if there are standard dimensions and tolerances for Christmas Mini Lights? Hector

Does any one have come across any problems displaying symbolic threads in drafting (NX1 or NX2)?

Does anyone can recommend a low cost PDM system (other than Teamcenter Engineering or Enterprise) that would work well with Unigraphics CAD data?

Does any one have had success using the von Mises Curve with Isotropic Hardening Element Definition? Any pointers will be greatly appreciated. Thank you. Regards, Hector

Does any body have experience modeling silicone parts in FEA? Would it best to use the Odgen or Mooney-Rivlin material model; or the Standard (Isotropic Linear Elastic) material model? Does anyone have correlated a silicone model with empirical data? Any publications I can consult in the subject?

Does any body have experience modeling silicone parts in ALGOR? Would it best to use the Odgen or Mooney-Rivlin material model; or the Standard (Isotropic Linear Elastic) material model? Does anyone have correlated a silicone model with empirical data? Any publications I can consult in the...

I got the following error message from ALGOR: ** WARNING: Unreasonable elasto-plastic material model! Young's modulus E and stress hardening parameter Et are too close to each other. Numerical exceptions may occur during analysis! I need to clarify that I am using the von Misses curve...