小型发动机铝合金缸体金属型铸造工艺探讨

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[1]方立高,王家宣.小型发动机铝合金缸体金属型铸造工艺探讨[J].特种铸造及有色合金,2014,34(12):1327-1329.

Fang Ligao, Wang Jiaxuan. Metallic Casting Process of Small Engine Aluminum Alloy Cylinder[J]. Special Casting & Nonferrous Alloys, 2014,34(12):1327-1329.
[1]方立高,王家宣.小型发动机铝合金缸体金属型铸造工艺探讨[J].特种铸造及有色合金,2014,34(12):1327-1329. DOI： 10.15980/j.tzzz.2014.12.027.

Fang Ligao, Wang Jiaxuan. Metallic Casting Process of Small Engine Aluminum Alloy Cylinder[J]. Special Casting & Nonferrous Alloys, 2014,34(12):1327-1329. DOI： 10.15980/j.tzzz.2014.12.027.

针对某小型发动机缸体材质和铸件品质的要求

进行了铸型设计

砂芯配方及结构试验。采用Zr、Ti、Sr元素对ZL105A合金进行了变质处理

并在专用装置中进行过滤、负压动态精炼及低压凝固。结果表明

型芯强度能达到0.08MPa

可以满足缸体铸造工艺的需要

且清理方便

铸件的合格率能达到90%。

Aiming at high requirement to material and casting quality of small engine cylinder

design of mold

formula of sand core and structural tests were conducted.Zr

Ti and Sr element were added into ZL105 Aalloy for refinement and modification.Methods of filtering

dynamic refining in vacuum

solidification in low pressure were used for the special device.The results show that strength of core can reach 0.08 MPa

meeting the needs of the cylinder block casting with conveniently cleaned.The qualification rate of casting can reach 90%.

小型缸体型芯真空精炼

Small Engine CylinderCoreVacuum Refining

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