压铸型腔排气率影响因素研究

曹韩学; 贾从波; 姜浩; 唐浩兴; 李莉

doi:10.15980/j.tzzz.2016.04.011

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压铸型腔排气率影响因素研究
The Research of the Influential Factors of Die-casting Cavity Exhaust Rate
2016年36卷第4期页码：373-375
纸质出版日期： 2016 ，
DOI： 10.15980/j.tzzz.2016.04.011

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[1]曹韩学,贾从波,姜浩,唐浩兴,李莉.压铸型腔排气率影响因素研究[J].特种铸造及有色合金,2016,36(04):373-375.

Cao Hanxue, Jia Congbo, Jiang Hao, et al. The Research of the Influential Factors of Die-casting Cavity Exhaust Rate[J]. Special Casting & Nonferrous Alloys, 2016,36(4):373-375.
[1]曹韩学,贾从波,姜浩,唐浩兴,李莉.压铸型腔排气率影响因素研究[J].特种铸造及有色合金,2016,36(04):373-375. DOI： 10.15980/j.tzzz.2016.04.011.

Cao Hanxue, Jia Congbo, Jiang Hao, et al. The Research of the Influential Factors of Die-casting Cavity Exhaust Rate[J]. Special Casting & Nonferrous Alloys, 2016,36(4):373-375. DOI： 10.15980/j.tzzz.2016.04.011.

摘要

运用Fluent软件对抽真空和压铸模具的排气槽形状与排气率的影响关系进行了数值仿真分析。结果表明

在型腔中抽真空能极大地提高排气率

排气槽口的形状对真空压铸的排气率的影响较大

渐变式和大截面形状的排气槽更有利于抽真空。

Abstract

By using Fluent software

for vacuum and die casting cavity vent groove shape and the influence of the exhaust air rate was simulated.Results show that vacuum in the cavity can greatly improve the exhaust rate

meanwhile

for die casting

vacuum exhaust slot shape has the obvious effect on vacuum die-casting exhaust rate

in which the gradient type and large cross-sectional area in the shape of exhaust slot is more beneficial to vacuum.