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使用3D打印技术制造的表面存在滑落风险

Bartosz Wieczorek¹, Łukasz Gierz¹, Łukasz Warguła¹

¹Faculty of Mechanical Engineering, Institute of Machine Design, Poznan University of Technology, Piotrowo 3 Street, 60-965 Poznan, Poland.

Materials (Basel, Switzerland)

|February 13, 2025

概括

这项研究调查了3D打印表面的滑动风险. 为了降低滑动风险,最安全的打印方向被发现是垂直于运动,特种材料如TPU和PLA在干燥和湿条件下提供更高的安全性.

科学领域:

材料科学材料科学材料科学
部落学 (tribology) 是一个学科.
添加剂制造添加剂制造添加剂制造

背景情况:

表面的滑动风险是人类安全和机械系统可靠性的关键问题.
3D打印技术为表面设计提供了新的可能性,但需要彻底评估滑动风险.

研究的目的:

为了评估使用3D打印制造的表面的滑动风险.
分析材料类型,印刷方向和表面粗度对抗滑性的影响.
在干燥和潮湿条件下比较抗滑性能.

主要方法:

使用英国便携式滑动阻力测试仪 (BSRT) 来测量滑动阻力值 (SRV).
测试了三种3D打印材料:聚乳酸 (PLA),聚乙烯四甲糖醇 (PET-G) 和热塑性聚氨 (TPU).
调查了与BSRT测量相对的三个打印头运动方向,并进行了表面粗性测试.

主要成果:

干燥条件:印刷方向垂直于运动提供了最低的滑动风险.
材料安全性:TPU在干燥条件下最安全;PLA在潮湿条件下最安全.
潮湿条件:在水平平面上45°的印刷角度通常会减少滑动.
SRV分类:所有测试材料呈现低至极低的滑动风险 (55-90 SRV干,35-60 SRV湿).

结论:

材料类型显著影响抗滑性,而不是打印方向或粗度.
材料类型和测试条件 (干/湿) 之间的相互作用对抗滑性具有统计学意义.
3D打印表面通常具有较低的滑动风险,最佳的材料和打印方向选择可以提高安全性.

关键词:

3D打印过程参数3D打印过程参数英国便携式滑动阻力测试仪 (BSRT)聚乙烯四甲糖醇 (PET-G) 是一种聚乙烯四甲酸盐.多乳酸 (PLA) 是一种多乳酸.滑动阻力值 (SRV) 是指滑动阻力值.热塑性聚氨 (TPU) 是一种表面的粗度表面的粗度

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