Relation between the user parameters in CATProcess

[phuonghieu83]

Hello,

I’m looking the way to create the relation between the user parameters in a machining process – CATProcess and its product – CATProduct, like in this image.

(This machining process had been created by a colleague, and he has changed the company so I don’t have any information about how he has built this machining process).

The objective is the user parameter in CATproduct wil be driven by the parameter in the CATProcess.

To realise this relation, I active the product in Assembly workbench.
I want to create a relation between the parameter X_longueur_Auto in the CATProduct and the parameter X_longueur in the CATProcess.

In the window « Formula Editor », when I select the parameter X_longueur to relate to the parameter X_longueur_Auto, CATIA created automatically an external parameter named « X_longueur ». And now, my relation has been created but his value won’t be updated automatically when I modifie the real parameter « X_longueur » in the Process. Actually, I can’t update my Product cause I have a error message : « No entry found for error od 0x00000001 ».

Maybe someone can help me to find out how to create these relations correctly, please ?

Thanks in advance,