Visual inspection: There are pitting or embossing in the local position of the die casting.
The reasons are as follows:
1) Improper setting of the inner runner position
2) Poor cooling conditions
The solutions and prevention methods are:
1) The thickness of the inner runner should be appropriate
2) Modify the position, direction and setting method of the inner runner
3) Strengthen cooling of the eroded parts.
Post time: Aug-21-2020