托盘的铸造工艺设计及质量控制

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1、托盘的铸造工艺设计及质量控制　　托盘的铸造工艺设计及质量控制　　目录　　引言··················································1　　1、托盘的种类及使用···································4　　2、耐热钢托盘·········································5　　2.1定义···········································5　　2.2基本介绍······························

2、·······53、托盘铸造工艺流程···································5　　3.1铸造的工序·····································5　　3.2成型原理·······································6　　3.3型砂的性能及组成·······························7　　3.4工艺特点·······································8　　3.5铸件的手工造型·····················

3、············9　　3.6铸造铸件金属液的浇注··························13　　3.7托盘铸造工艺设计步骤··························15　　4、耐热钢托盘的质量控制······························16　　4.1耐热钢托盘的缺陷······························16　　4.2耐热托盘的防止缺陷产生的工艺措施··············16　　4.3常见铸件缺陷及其预防措施······················19　　4.4耐托盘热钢

4、铸件内在质量检验····················20　　4.5耐热钢托盘缺陷的修补技术······················23　　4.6砂型铸造生产工艺过程质量控制··················24　　4.6.1影响托盘质量的因素··································24　　4.7铸件内在质量检验······························25　　4.8铸造内在质量检验分类··························25　　5、高温对钢材强度的影响··············

5、················25　　5.1耐热钢加热曲线图······························26　　6、蠕变··············································26　　6.1蠕变的概念····································27　　6.2蠕变曲线······································27　　6.3蠕变强度······································28　　6.4持久强度······

6、································29　　6.5应力松弛······································30　　6.6固溶体中合金元素的贫化························31　　7、耐热钢的高温力学性能······························31　　7.1蠕变性能······································31　　7.2持久强度······································32　　7.3疲劳性能

7、······································327.4松弛性能······································33　　附表···············································34　　8、结论··············································35　　参考文献···········································36　　摘要：薄壁耐热钢托盘属于典型的筐架结构型铸件，要求其有较高的耐

8、热性、耐热冲击及抗裂能力。采用不同铸造工艺方案，根据其存在的问题，通过分析产生的原因，利用“铸造过程模拟优化