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gang ban han jie ye lun de zhi zao
Author(s): 
Pages: 9-10
Year: Issue:  2
Journal: Journal of Drainage and Irrigation Machinery Engineering

Keyword:  焊接叶轮铸造工艺水泵叶轮不锈钢板工艺生产率水泵效率工艺方法出口宽度叶轮强度叶轮流道;
Abstract: <正> 长期以来,我国离心式水泵叶轮的制造,通常采用先铸造后切削的工艺方法。众所周知:铸造工艺生产率低,叶轮流道表面粗糙,因而降低水泵效率。对于小尺寸(叶轮直径<100mm)流道狭窄(出口宽度<3mm)的叶轮,铸造工艺难于成型。近期来,国外(如丹麦日本等国)采用不锈钢板焊接叶轮的新工艺,具有叶轮强度好、表面光洁、生产率高等优点,已逐步取代了传统的铸造工艺。
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