| 低合金钢齿轮铸造工艺改进 |
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| 引用本文： | 姜绍海,郭林,方素娥.低合金钢齿轮铸造工艺改进[J].铸造工程,2012(2):33-35,42. |
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| 作者姓名： | 姜绍海 郭林 方素娥 |
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| 作者单位： | [1]济钢集团重工机械有限公司,山东济南250101 [2]山东球墨铸管有限公司质管部,山东济南250101 |
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| 摘 要： | 分析了低合金钢齿轮铸件原工艺存在的问题，通过改进工艺方案，合理设计浇注系统、冒口及其补贴，实现顺序凝固；通过加强质量控制，包括热节部位采用铬铁矿砂，砂芯内部采用石灰石砂，热割冒口等工艺措施，成功地获得了表面质量良好的齿轮铸件。
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| 关 键 词： | 低合金钢铸件 铸造工艺 顺序凝固 浇注系统 |
Improvement of Casting Process for Low Alloy Steel Gear |
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| Affiliation: | Jiang Shaohai, Guo Lin, Fang Su＇e2(1. Jigang Group Heavy Machinery Co., Ltd., Jinan 250101, Shandong, China; 2. Shandong Ductile Cast Iron Pipe Co., Ltd., Jinan 250101, Shandong, China) |
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| Abstract: | The problems on original process of low alloy steel gear were analyzed. Based on rational design for gating system, risers and pad, the casting process was improved to realize directional solidification. The gear castings with better surface quality were obtained by strengthening quality control, including the hot spot with chromite sand, the core center with limestone sand and hot cutting risers. |
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| Keywords: | low alloy steel casting casting process directional solidification gating system |
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