低压、差压和调压铸造工艺原理及其优势  

Process Principle and Superiority of Low Pressure Casting, Counter-Pressure Casting and Adjustable Pressure Casting

作　　者：叶凤柏 郭李胜 周亚军 李新泉 

机构地区：[1]山西平阳重工机械有限责任公司铸造分厂,山西侯马043002

出　　处：《铸造工程》2013年第4期19-21,共3页Foundry Engineering

摘　　要：低压、差压和调压铸造是保证铸件成形性和优良内在品质的重要工艺方法。分析了三种反重力铸造工艺的原理，对低压、差压和调压铸造方法的优势及适用范围进行了对比。指出在生产中可根据产品具体要求选择相应的铸造方法。Low pressure casting, counter-pressure casting and adjustable pressure casting are the important techniques to ensure the casting formability and good internal quality. The principles of three kinds of counter-gravity casting process are analyzed. The superiority and applicability of low pressure casting, counter-pressure casting and adjustable pressure casting are compared. The matching casting process is selected on the basis of product specification in production.

关 键 词：低压铸造 差压铸造 调压铸造 工艺原理 

分 类 号：TG249.9[金属学及工艺—铸造]