How to produce high quality castings

To produce high quality castings, first need to study the factors affecting the performance of cast iron, which is how to improve the purity of molten iron smelting: How to get good graphite morphology;

chemical composition fluctuation range control study to solve the problem of technical control parameters and to study what the purpose of melting method.

Hot metal purity control:

1. Oxide-oxide inclusions generated by burning;
2. Melting of the oxygen produced by melting holes;
3. The sulfur content of the control to prevent the generation of sulfur co-crystal;
4. Phosphorus content control to prevent phosphorus eutectic generation;
5. Limit the amount of trace elements in less interference.

Molten iron smelting process control:

1. Molten iron oxidation control:
2. Eliminate hereditary graphite, graphite good shape;
3. Control of chemical composition fluctuation range, accurate chemical composition;
4. Molten iron smelting temperature control;
5. Select the appropriate device and method for melting the best system.