When making gating system for a die casting mold, it is better to list all the possible solutions and then compare with each other first.

After that, you will find a best gating system for the tooling. Here are several examples of die casting toolings.

Solution 1

Solution 2

Solution 3

Solution 1: It's not able to avoid air entrapment in the indicated location with this solution.

Solution 2: It will have entrapped air in the indicated location too.

Solution 3: It will greatly improve the filling with this gating system, which should be the prefered solution.