3D打印蜡模快速制造ZL114A铸件凝固收缩率研究

郑卫东; 樊振中; 王端志; 王鲲鹏; 孟德浩; 谭指

doi:10.15980/j.tzzz.2017.06.017

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3D打印蜡模快速制造ZL114A铸件凝固收缩率研究
Solidification Shrinkage Research of ZL114A Aluminum Alloy Components Based on 3D Rapid Printing Technology
2017年37卷第6期页码：642-645
纸质出版日期： 2017 ，
DOI： 10.15980/j.tzzz.2017.06.017

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[1]郑卫东,樊振中,王端志,王鲲鹏,孟德浩,谭指.3D打印蜡模快速制造ZL114A铸件凝固收缩率研究[J].特种铸造及有色合金,2017,37(06):642-645.

Zheng Weidong, Fan Zhenzhong, Wang Duanzhi, et al. Solidification Shrinkage Research of ZL114A Aluminum Alloy Components Based on 3D Rapid Printing Technology[J]. Special Casting & Nonferrous Alloys, 2017,37(6):642-645.
[1]郑卫东,樊振中,王端志,王鲲鹏,孟德浩,谭指.3D打印蜡模快速制造ZL114A铸件凝固收缩率研究[J].特种铸造及有色合金,2017,37(06):642-645. DOI： 10.15980/j.tzzz.2017.06.017.

Zheng Weidong, Fan Zhenzhong, Wang Duanzhi, et al. Solidification Shrinkage Research of ZL114A Aluminum Alloy Components Based on 3D Rapid Printing Technology[J]. Special Casting & Nonferrous Alloys, 2017,37(6):642-645. DOI： 10.15980/j.tzzz.2017.06.017.

摘要

通过3D打印蜡模、熔模型壳与ZL114A合金凝固尺寸测试

构建了蜡模3D打印尺寸与铸件理论尺寸的数学关系

实现了铸件HB6103-2004中CT6

T7级的精度。选用低压浇注工艺

以ZL114A主框与舱罩铸件为主体进行试验

本体平均抗拉强度、屈服强度与伸长率分别达到了341 MPa、263 MPa与6.1%

断裂机制为典型的韧窝断裂。

Abstract

The frame and tank cover that made of ZL114 A alloy were chosen as the experiment object

and the mathematical relationship between theory size of casting and wax model size after 3D printing was built up by testing solidification size of wax model

investment mold and ZL114 A alloy

which realized the dimensional accuracy control from CT6 to CT7. The average tensile strength

yield strength and elongation of ZL114 A frame and tank cover castings reach 341 MPa

263 MPa and 6. 1%

respectively

by adopting low pressure casting. In addition

the fracture mechanism is characterized by a typical dimple crack.