中文标题基于力-热耦合的CF/PEEK复合材料螺旋铣孔质量研究

doi:10.16731/j.cnki.1671-3133.2026.02.013

摘要/Abstract

摘要： 为了深入研究CF/PEEK复合材料螺旋铣孔的力-热耦合对加工质量的影响机制,建立了铣孔温度场仿真模型,分析了铣孔过程中的温度变化规律及空间分布特征。开展了螺旋铣孔试验,探究了工艺参数、切削力和切削温度对出入口表面形貌、孔径及孔壁质量的影响规律。研究表明,铣孔温度场仿真模型能准确反映铣孔时孔内的热量聚集情况,材料横截面温度场呈椭圆形,长轴与纤维方向一致;切削温度随自转转速、公转速度和螺距的增大而升高;切削力随自转转速增大而降低,随公转速度和螺距增大而增大,当螺距升至0.5 mm/r时,切削力下降;孔表面损伤主要为毛刺,入口孔径普遍大于出口孔径;高温使树脂基体软化,影响孔壁质量。

关键词: CF/PEEK复合材料, 螺旋铣孔, 力-热耦合, 有限元仿真, 制孔质量

Abstract: To deeply investigate the influence mechanism of the force-thermal coupling on the processing quality during the spiral milling holes of CF/PEEK composite materials,a simulation model of the milling temperature field was established,and the temperature variation law and spatial distribution characteristics during the milling process were analyzed. Spiral milling holes experiments were carried out to explore the influence laws of process parameters,cutting force and cutting temperature on the surface morphology at the entry and exit,hole diameter and hole wall quality. The research showed that the milling temperature field simulation model could accurately reflect the heat accumulation situation inside the hole during milling. The temperature field of the material cross-section was elliptical,with the long axis consistent with the fiber direction. The cutting temperature increased with the increase of the spindle speed,orbital speed and pitch. The cutting force decreased with the increase of the spindle speed,and increased with the increase of the orbital speed and pitch. When the pitch increased to 0.5 mm/r,the cutting force decreased. The surface damage of the hole was mainly burrs,and the entry hole diameter was generally larger than the exit hole diameter. High temperature softened the resin matrix,affecting the hole wall quality.

Key words: CF/PEEK composites, spiral milling holes, force-thermal coupling, finite element simulation, holemaking quality

中图分类号:

TB332

李澳, 李远辰, 张广滨, 郑炎钊, 梁凯, 郭义. 中文标题基于力-热耦合的CF/PEEK复合材料螺旋铣孔质量研究[J]. 现代制造工程, 2026, 545(2): 101-110.

LI Ao, LI Yuanchen, ZHANG Guangbin, ZHENG Yanzhao, LIANG Kai, GUO Yi. Study on the quality of spiral milling holes in CF/PEEK composites based on force-thermal coupling[J]. Modern Manufacturing Engineering, 2026, 545(2): 101-110.

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