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My customer has removed 2024-t351 per qq-a-225/6 as an alternative temper to 2024-t4 citing only "property discrepancies". Does anyone know what the discrepancies are?

Does anyone know the definition of a pith plane if the serrations on a part are raidial or perpendicular to a axis diameter?

Does anyone know how to load an exported catia file (I think v4) into V5?

Has anyone used Catia V5R16 and Adobe 3D to create 3d screen captures that can be made into a .pdf adn can be viewed (rotated) by others with a adobe reader? I am having problems with Catia V5 crashing when I do a capture.

I am getting read/write errors and imcompatible file types when trying to open .model files (catia 4?) with V5.

Is the thread pitch line the functional feature for mating surfaces of threads on a bolt and nut? Is this where contact exists? Also, am I correct when the tendencey for a thread to back off is releted to pitch(or lead in a single thread)? Sounds basic, but I am a Material Science Engineer...

What does the "GH" designate when picking taps (GH3,..,GH7. I know that GH7 cuts a bigger thread than GH3, but I am curious about what GH stands for.

I have a 1.3713/1.3724 dia. pin with a .875 dia. hole thru it. The material is 15-5 heat treat 180/200 ksi (HRC40-43). The part is to be shot peened with shot # 170-330, intensity=.016A2, coverage=200%. How much dimensional change on the dia. may I expect?

What does it mean when a casting has a critically stressed area?

What is the difference between liner and drill bushings?

Does anyone know how to export an Iges without loosing planar surfaces. When loading an Iges and just saving to a different Iges name, I run an Iges check program that compares the two files, planar surfaces are missing. Fillet surfaces, holes, wireframe still exist??? I have tried importing...

Does anyone know how to print 1:1 without a plotter? I draw a 6" square to test the printer. The square becomes a rectangle when printed. One direction gets an extra 1/8".

Does anyone have any info on swaging tubes and the resultant change in length?

I have a wireframe that I "filled" in creating ton's of fills. How can I turn this shell into a solid?