Actually, a negative stock allowance is only available for tools with ball ends.
See here the PTC documentation on article CS169058.
This behavior is a big limitation of functionality in milling features.
Also, there are no technological reasons for this.
The proposed workarounds are not feasible for complex components and in combination with a tool database.
Please add this functionality in one of the next Creo releases
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.