Grindability of extruded and 3D printed PEEK samples

被引：0
作者：
Linke, Barbara S. [1 ]
Georgens, Alexander [1 ]
Romero, Christopher [1 ]
Garcia, Tanya C. [2 ]
Marcellin-Little, Denis J. [2 ]
机构：
[1] Department of Mechanical and Aerospace Engineering, University of California Davis, 1 Shields Ave, Davis, 95616, CA
[2] J.D. Wheat Veterinary Orthopedic Research Laboratory, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, 95616, CA
来源：
International Journal of Abrasive Technology | 2024年 / 12卷 / 03期
关键词：
AM post-processing; belt grinding; grinding; manual grinding; medical implants; PEEK;
D O I：
10.1504/IJAT.2024.140961
中图分类号：
学科分类号：
摘要：
Polyetheretherketone (PEEK) can be processed with additive manufacturing, but post-processing is not well studied. This paper explores the grindability of extruded and 3D printed PEEK. Manual grinding was used because of its high relevance for finishing freeform parts. Grinding of extruded PEEK with a SiC belt with #400 grit size, a grinding speed of 3.6 or 5.6 m/s, and a target normal grinding force of 100 N achieved average surface roughness Ra from 0.93 to 0.99 μm. The study on grinding of 3D printed PEEK samples found appropriate parameters to achieve a low average surface roughness between Ra = 1 to 2 μm for 0° and 90° print angles (with a #400 SiC belt, 3.6 m/s grinding speed, and 75 N target normal grinding force). The 15° print angle sample suffered from surface delamination. This and further research improves post-processing repeatability and automation for 3D printed PEEK parts. © 2024 Inderscience Enterprises Ltd.
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页码：236 / 260
页数：24
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