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Equation Deleted when part is saved

Question asked by Hunter Gilbert on Aug 3, 2013

Hi all,


I'm having an issue with the SolidWorks equations.  To start with, I've created two equations


"var1" = 2


and then


"var2" = "var1"/2


Multiple dimensions in the part are linked to the variable "var2" (I've tried both writing equations and using the "link value" feature).  Then, whenever I save the part, SolidWorks replaces the second equation with its current value.  After the save, when I reopen the equation editor the second equation has been changed to


"var2" = 1


In my actual part, the global variable "var1" is driven by a linked design table.  Regardless, I can't figure out why solidworks wants to change any equation that I've written when the part is saved.  Has anybody else faced this issue and found a resolution?  Is there a better way to do what I'm trying to acheive?  I suppose I could just have the design table drive "var2" directly, but this seems like a bad idea because "var1" and "var2" aren't really independent design parameters.