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• Time of issue:2021-01-08
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(Summary description)1. If the die casting products appear black and flow marks, the pouring temperature and mold temperature should be appropriately increased;

2. If the alloy composition does not meet the standard, the alloy composition should be changed to improve fluidity;

3. See the flow direction of the molten aluminum when the mold is hot. The cold partition caused by the collision of the molten metal appears vortex-like with flow marks. The gating system should be improved to improve the filling direction of the inner gate. In addition, a slag bag can be set up at the edge of the casting to improve the filling conditions;

4. If the distal end is not compacted, the gate position and cross-sectional area should be changed to improve the overflow conditions and increase the overflow flow;

5. The product is dark and often accompanied by surface bubbles, so the injection speed must be increased correctly;

6. The overall pressure of the casting is not compact, and the injection pressure is relatively low, so the specific pressure should be increased appropriately.