精密铸造不锈钢双吸叶轮工艺研究

叶宗林; 李兴龙; 张年玉; 李福琴; 张传书; 俞玉国

doi:10.15980/j.tzzz.2015.02.018

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精密铸造不锈钢双吸叶轮工艺研究
Investment Casting Double Suction Stainless Steel Impeller
2015年35卷第2期页码：169-171
纸质出版日期： 2015 ，
DOI： 10.15980/j.tzzz.2015.02.018

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[1]叶宗林,李兴龙,张年玉,李福琴,张传书,俞玉国.精密铸造不锈钢双吸叶轮工艺研究[J].特种铸造及有色合金,2015,35(02):169-171.

Ye Zonglin, Li Xinglong, Zhang Nianyu, et al. Investment Casting Double Suction Stainless Steel Impeller[J]. Special Casting & Nonferrous Alloys, 2015,35(2):169-171.
[1]叶宗林,李兴龙,张年玉,李福琴,张传书,俞玉国.精密铸造不锈钢双吸叶轮工艺研究[J].特种铸造及有色合金,2015,35(02):169-171. DOI： 10.15980/j.tzzz.2015.02.018.

Ye Zonglin, Li Xinglong, Zhang Nianyu, et al. Investment Casting Double Suction Stainless Steel Impeller[J]. Special Casting & Nonferrous Alloys, 2015,35(2):169-171. DOI： 10.15980/j.tzzz.2015.02.018.

摘要

根据双吸叶轮的结构特点及质量要求

采用熔模精密铸造工艺生产。通过Magma软件对充型、凝固过程进行模拟

优化了工艺设计方案。叶轮立浇

采用大流量快速充型、两边同时进钢水

保证浇注时型壳温度在800

00℃范围内

设置排气冒口

运用内冷铁技术、插入冷型壳等

有效解决了中心轮毂缩松、叶片冷隔等缺陷。

Abstract

Double suction stainless steel impeller was produced by investment casting according to its structure characteristics and quality requirements.In order to eliminate the casting defects such as central hub of shrinkage and blade cold shut

some measures were considered by simulating filling and solidification process through Magmasoft software to optimize gating system

including vertical casting with using both sides of high flow and fast filling and into the liquid steel at 800

00 ℃

setting the exhaust riser

using internal chill or cold type shell technology.

关键词

双吸叶轮凝固充型内冷铁排气冒口

Keywords

Double Suction ImpellerSolidification FillingInternal ChillExhaust Riser

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