| 不锈钢叶轮熔模铸造工艺的改进 |
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| 引用本文： | 王明峰,郭鑫,王峰.不锈钢叶轮熔模铸造工艺的改进[J].铸造设备研究,2012(3):21-22. |
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| 作者姓名： | 王明峰 郭鑫 王峰 |
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| 作者单位： | 山东淄博新航实业有限责任公司,山东淄博255075 |
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| 摘 要： | 七叶变螺距螺旋面不锈铜叶轮具有结构复杂，壁厚不均匀等特点，试生产过程中经常出现大量的缩孔、缩松、跑火等铸造缺陷，通过改进浇注系统，制定合理制壳工艺及浇注工艺，有效地解决了上述铸造缺陷，充实了复杂叶轮浇铸工艺，成功浇注出质量合格的叶轮铸件。
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| 关 键 词： | 叶轮 熔模铸造 浇注系统 工艺 |
Improvement of the Investment Casting Process Used to the Production of Stainless Stell Impeller |
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| WANG Ming-feng,GUO Xin,WANG Feng.Improvement of the Investment Casting Process Used to the Production of Stainless Stell Impeller[J].Research Studies On Foundry Equipment,2012(3):21-22. |
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| Authors: | WANG Ming-feng GUO Xin WANG Feng |
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| Affiliation: | ( Shandong Zibo Xinhang lndust rial Co. , Ltd. Zibo Shandong 255075, China) |
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| Abstract: | In this paper, a variable-pitch helicoids stainless steel impeller with complex structure and uneven thickness was investigated. Many casting defects （shrinkage porosity and buckle ） were found during investment casting. Through improving gating system, designing rational process of shell making and pouring way, the casting defects were effectively eliminated. A series of stainless steel impeller were successfully produced and the improved process in this paper is beneficial for producing impeller with complex structure. |
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| Keywords: | impeller investment casting casting system process |
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