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铸造生产中,辅料管理的好坏直接影响着铸件的质量。但是,目前有相当一部分工厂的辅料仓库简陋,管理人员素质差,对辅料的采购、入库验收和领发工作极不严格,严重影响铸件质量。例如: 1.今年初,我厂采用表面烘干型生产的钻床立柱铸件,其表面上出现了一种极为少见的网片状黑色异物,深浅程度不一,严重的可深达5～6mm。这些异物可以被击碎而脱落,酷似铸铁件夹渣缺陷。但该夹杂物既非铁水中的熔渣,又非铸型中的砂粒,而是过量煤粉焦化后的产物。
Casting production, the quality of excipient management directly affects the quality of the casting. However, a considerable part of the factory excipient warehouse simple, poor quality management personnel, procurement of accessories, storage and acceptance of the work is very strict, leading to a serious impact on the quality of castings. For example: 1. Earlier this year, our factory used surface drier type drilling column casting, which appeared on the surface of a very rare mesh-like black foreign matter, varying degrees of depth, serious up to 5 ~ 6mm. These foreign objects can be crushed and fall off, exactly like cast iron pieces slag defects. However, the inclusions are neither the molten slag in the molten iron, nor the sand in the mold, but the coking product of excessive pulverized coal.