How to prevent iron cracking formation of castings? - Pig iron casting

by:XEX     2021-01-15
Pig iron castings is to use all kinds of casting method for metal forming objects, namely the good liquid metal smelting, casting, injection, inhaled or other casting method into the prepared mold, after cooling after grinding and other follow-up processing means, of a certain shape, size and properties of objects. And iron casting to produce hot crack prevention measures are: 1, the actual gating system should try to avoid local overheating, reduce internal stress. 2, moulds and cores must ensure that the slope in 2 & deg; Above, poured riser upon solidification can core-pulling molding, sand core can substitute for metal core when necessary. 3, control the thickness of the coating, make the cooling rate of copper and aluminum casting parts. 4, choose proper mode according to the thickness of the casting situation. 5, refine microstructure and improve the ability of hot crack. 6, improvement of copper aluminum casting structure, eliminate Angle and wall thickness of mutation, reduce the hot cracking tendency. Factory workers casting mature technology strength our factory has accumulated rich experience in casting, pay attention to product technology, production of the product quality is stable.
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