Shell core and coldbox coremaking are the main technique at present.
目前制芯工艺主要采用壳芯和冷芯盒制芯技术。
2
In core making with coldcorebox, the solvent content in the binding material has a greater influence on the sand core strength.
采用冷芯盒法制芯时，粘结剂中的溶剂含量对砂芯强度有较大影响。
3
Based on domestic materials used in the Phenolic Urethane ColdBox Process (PUCB), the relationship between core making technique and the properties of core was analyzed.