The sanding method is to shoot the sand downward, and the short sand flow distance is favorable for the sand filling.
1. The unique sand box mouth deflector makes the sand flow avoid the appearance and reduces the wear of the pattern, which is more favorable for the filling of the lower part and the recess.
2. There are five ways to choose the unique combination of sandblasting to improve the pre-tightening
The distribution of the solidity is such that the distribution of the castings is reasonable according to different castings, and finally the compactness distribution after compaction is uniform.
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