Gantry frame manufacturing process
A manufacturing process, gantry frame technology, applied in the field of gantry frame manufacturing process, can solve problems such as molten iron oxidation, splashing, excessive flow of molten iron, etc., to achieve the effect of eliminating slag inclusion, avoiding oxidation, and reducing the formation of air bubbles
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[0013] The gantry frame manufacturing process of the present invention includes the following process improvements:
[0014] 1. Set a wedge-shaped riser on the top of the casting cavity of the gantry frame to strengthen exhaust and reduce the formation of air bubbles;
[0015] 2. The casting mold of the gantry frame is divided into upper mold and lower mold. The height of the upper mold is more than 1.2 times that of the lower mold to increase the pressure of the molten metal on the upper surface of the cavity after pouring and prevent the gas pressure in the cavity from being too large. into the molten metal to further reduce the formation of bubbles;
[0016] 3. After the mold clamping is completed, the open pouring system is used to pour the molten metal to avoid oxidation during the filling process of the molten iron to eliminate slag inclusions.
[0017] By adopting the above-mentioned process improvement, the formation of defects such as air bubbles and slag inclusions ...
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