High-accuracy and high-performance WAAM propeller manufacture by cylindrical surface slicing method

被引：22
|
作者：
He, Tianying [1 ]
Yu, Shengfu [1 ]
Shi, Yusheng [1 ]
Dai, Yili [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Luoyu Rd, Wuhan 1037, Hubei, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2019年 / 105卷 / 11期
基金：
国家重点研发计划;
关键词：
Propeller; Wire arc additive manufacture; Cylindrical slicing; 3D measuring; Forming accuracy; WIRE;
D O I：
10.1007/s00170-019-04558-5
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The propeller is the important component of the power system in ships, the blades of which are spatial curved structures with continually changing sections. Wire arc additive manufacture (WAAM) is a novel technology and an effective method for manufacturing propellers. Currently, the planar slicing methods cannot form the high-accuracy propellers with complex spatial curves, a new cylindrical surface slicing method, based on the principles of conformal slicing, is applied to WAAM, the section for slicing being a cylindrical surface coaxial with the hub. Both cylindrical circumferential filling and cylindrical axial filling are used for filling the blades. In the manufacturing process, the hub is firstly formed by plane slicing and offset filling, then the blade is formed piece by piece by cylindrical slice and cylindrical axial filling and cylindrical circumferential filling alternately. A non-contact 3D measuring is conducted with a surface structure light 3D scanner after the completion of printing, and a 3D comparison is made with Geomagic qualify software. The dimensional error of the product is within +/- 1.6 mm. The mechanical properties of WAAM propeller components are higher than the casting ones with the same composition.
引用
收藏
页码：4773 / 4782
页数：10
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