Shot peen the ID, will greatly relieve any stress concentrations. Didn't add a whole lot of cost when I've used it in the past.
Either that, or someone was jumping and landed foot first on a spring. They're designed to expand, not twist in the center like #3 in the picture you posted.
James...
Looks like it's time to invest in a new video card. As the software improves, there could be new features it needs to use for normal operation that might not be available on the card you are using.
Have you looked at the video card compatability list on the solidworks website? It's possible...
Keys, keyways, and snap rings to trap them are a cheap alternative. If you're not worried about side load, you can use the e-clip type of snap ring that just snaps over the OD, no need to drag it all the way down the shaft.
James Spisich
Design Engineer, CSWP
If you know how to do model with equations and complex angles/planes it's not really that bad. Machinery's handbook has most of the tooth profile calculations. You can probably get the rest from the NASA Gearing publication.
James Spisich
Design Engineer, CSWP
If it was working before, maybe you could use something like these:
http://vsm.skf.com/en-US/HeavyDuty/KitsAndTools/SpeediSleeve.aspx
James Spisich
Design Engineer, CSWP
There are some things that can be done, but honestly on things like heat sinks I remember hearing of customers spending $15k on a die, only to have it produce only a few hundred pounds before one of the tongues broke.
The same kind of rules with castings kind of apply to extrusions though...
I used to design aluminum extrusion dies, and a lot is kind of industry "thumb in the wind" standards.
Typically tongue depth 4x width starts to bring the price up, there are cases for others that depending on the size of the shape to the size of the tool and how much support the die has, yada...
This is why loctite and nylon patches in the threads were devised.
Now to throw the whole thing for a loop, check out http://www.spiralock.com/
You'd be ahead of the game with a flat head screw with that type of thread profile, not that they even exist or anything. It's just a cool setup...
You can always try what handleman suggests, while recording a macro.
Mind you, the record macro functionality can be very spotty at times. For things like this though, may work out ok other than you'll probably have to figure out how to get the variable for the current selection(s) and run...
If you're running a .dll "VSTA" or visual studio tools for applications macro from a button, it will only run once per instance of SolidWorks unless you're on SolidWorks 2011 SP 3.0 or higher.
James Spisich
Design Engineer, CSWP
IswApp.IActiveDoc2
Dim sFileTitle as String = IswApp.GetTitle
Dim PartNu = Microsoft.VisualBasic.Left(sFileTitle, 10)
Dim sFileTitleLen as Integer = sFileTitle.Length - 10
Dim Description = Microsoft.VisualBasic.Right(sFileTitle, sFileTitleLen)
Something along those lines, then set them...
