Hey All,

I am producing a profile shifted Helical gear, and yes I want the exact model geometry so that I can have a non gear shop machine it without using a gear cutter.

Anyway, the formulas use the "Involute Function" and the "Inverse Involute Function" The later uses an iterative method to churn through the equations until the changing result is small enough so that you don't care. When I try this in Solidworks equation manager, it gives me the circular reference message. Great that is what I want. I tried to stop the loop with an "IIF" statement to break out when a specified number is reached, but no luck.

Am I on the right track with the "IIF" statement? Or is there just a button I can use to turn on iterative equations and limit the loops the equation manager will calculate? They have this sort of thing for NX, but I am using Soliworks now, and we're not entirely friends as of yet.

And now the follow up.

If there is no way to do iterative equations In the equation manager in a slick manner, I would be interested in knowing the maximum number of global variables I can use?