Improvement of trapped air position in the middle of scavenging blade

The sweep blade mould is a very mature product in the company. But combined with the 7K split made this year α The air trapped in the middle of the scavenging blade of the project is serious, and the designer did not exhaust enough when designing the mold, resulting in local whitening of the product, and the product quality of the first mold test is low. The detailed air trapped positions are as follows:

improve:

For the subsequent 4-point rubber inlet scavenging blade, the exhaust insert is added at the middle rib position of the mold to improve the quality of the first mold test of the mold