通过同步进给长度补偿抑制再生长丝直径波动引起的挤出不稳定性研究

李俊美; 黄子帆; 张德海; 杨春晖

doi:10.3969/j.issn.1674-6457.2025.10.008

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精密成形工程 ›› 2025, Vol. 17 ›› Issue (10) : 83-94. DOI: 10.3969/j.issn.1674-6457.2025.10.008

钢铁成形

通过同步进给长度补偿抑制再生长丝直径波动引起的挤出不稳定性研究

李俊美^1,2, 黄子帆^1,2, 张德海^3,*, 杨春晖⁴

作者信息 +

Extrusion Instability Caused by Recycled Filament Diameter Fluctuations by Synchronous Feed Length Compensation

LI Junmei^1,2, HUANG Zifan^1,2, ZHANG Dehai^3,*, YANG Chunhui⁴

Author information +

文章历史 +

摘要

目的揭示3D打印长丝直径波动与挤出不稳定性之间的定量关系,并提出了通过同步进给长度补偿来解决因长丝直径波动而引起的挤出缺陷。方法首先,分析长丝直径波动的来源,并基于扁平椭圆截面挤压长丝模型,探讨长丝直径波动对挤压宽度的影响;其次,提出实时测量长丝直径并动态校正进给长度的补偿方法,以实现精确控制挤出量;最后,通过对照实验对该方法进行验证。结果同步进给长度补偿方法能够有效抑制由再生3D打印长丝直径波动而导致的挤出不稳定性。结论为推动3D打印领域的循环经济提供了技术支撑。

Abstract

The work aims to reveal the quantitative relationship between the diameter fluctuation of 3D printing filaments and extrusion instability, and propose a method to address extrusion defects caused by filament diameter fluctuations through synchronized feed length compensation. Firstly, the sources of 3D printing filament diameter fluctuations were analyzed and the impact of filament diameter fluctuations on extrusion width was investigated based on a flat elliptical cross-section extruded filament model; Secondly, a compensation method for real-time measurement of filament diameter and dynamic correction of feed length was proposed to achieve precise control of extrusion volume; Finally, the method was validated through comparative experiments. The synchronized feed length compensation method effectively suppressed extrusion instability caused by diameter fluctuations of recycled 3D printing filaments. This provides technical support for promoting a circular economy in the field of 3D printing.

导出引用

李俊美, 黄子帆, 张德海, 杨春晖. 通过同步进给长度补偿抑制再生长丝直径波动引起的挤出不稳定性研究[J]. 精密成形工程. 2025, 17(10): 83-94 https://doi.org/10.3969/j.issn.1674-6457.2025.10.008

LI Junmei, HUANG Zifan, ZHANG Dehai, YANG Chunhui. Extrusion Instability Caused by Recycled Filament Diameter Fluctuations by Synchronous Feed Length Compensation[J]. Journal of Netshape Forming Engineering. 2025, 17(10): 83-94 https://doi.org/10.3969/j.issn.1674-6457.2025.10.008

中图分类号： TP391.73

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