阀门铸件的常见缺陷分析与改善

熊英, 周友松. 阀门铸件的常见缺陷分析与改善[J]. 金属加工（热加工）, 2007, (7): 66-67.

引用本文:

熊英, 周友松. 阀门铸件的常见缺陷分析与改善[J]. 金属加工（热加工）, 2007, (7): 66-67.

Analysis and preventive measures of common defects in valve castings[J]. MW Metal Forming, 2007, (7): 66-67.

Citation:

Analysis and preventive measures of common defects in valve castings[J]. MW Metal Forming, 2007, (7): 66-67.

Analysis and preventive measures of common defects in valve castings

摘要: 适当提高铁液碳当量,提高砂型强度;提高铁液初始浇注温度,选择碳钢、普通灰铸铁或球墨铸铁回炉料作原料;减少铁液自身含气量,防止砂芯吸潮和底板产生变形;以及固定好砂芯,改进滤网结构,提高挡渣效果是保证阀门铸件质量和提高其生产效率的有效途径.

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