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碳纤维增强热塑性树脂基复合材料周铣过程中刀-工-屑热量分配比例计算与切削温度预测

王福吉 姜向何 魏钢 周洪岩 葛连恒

王福吉, 姜向何, 魏钢, 等. 碳纤维增强热塑性树脂基复合材料周铣过程中刀-工-屑热量分配比例计算与切削温度预测[J]. 复合材料学报, 2024, 41(4): 2099-2110. doi: 10.13801/j.cnki.fhclxb.20230810.002
引用本文: 王福吉, 姜向何, 魏钢, 等. 碳纤维增强热塑性树脂基复合材料周铣过程中刀-工-屑热量分配比例计算与切削温度预测[J]. 复合材料学报, 2024, 41(4): 2099-2110. doi: 10.13801/j.cnki.fhclxb.20230810.002
WANG Fuji, JIANG Xianghe, WEI Gang, et al. Calculation of the heat distribution ratio of tool-chip-workpiece and prediction of cutting temperature during the peripheral milling process of carbon fiber reinforced thermoplastic resin matrix composites[J]. Acta Materiae Compositae Sinica, 2024, 41(4): 2099-2110. doi: 10.13801/j.cnki.fhclxb.20230810.002
Citation: WANG Fuji, JIANG Xianghe, WEI Gang, et al. Calculation of the heat distribution ratio of tool-chip-workpiece and prediction of cutting temperature during the peripheral milling process of carbon fiber reinforced thermoplastic resin matrix composites[J]. Acta Materiae Compositae Sinica, 2024, 41(4): 2099-2110. doi: 10.13801/j.cnki.fhclxb.20230810.002

碳纤维增强热塑性树脂基复合材料周铣过程中刀-工-屑热量分配比例计算与切削温度预测

doi: 10.13801/j.cnki.fhclxb.20230810.002
基金项目: 国家自然科学基金(52090053);大连市科技创新基金 (2021RD08;2022JJ12GX027)
详细信息
    通讯作者:

    王福吉,博士,教授,博士生导师,研究方向为复合材料加工 E-mail: wfjsll@dlut.edu.cn

  • 中图分类号: TB332

Calculation of the heat distribution ratio of tool-chip-workpiece and prediction of cutting temperature during the peripheral milling process of carbon fiber reinforced thermoplastic resin matrix composites

Funds: National Natural Science Foundation of China (52090053); Science and Technology Innovation Foundation of Dalian (2021RD08; 2022JJ12GX027)
  • 摘要: 碳纤维增强热塑性树脂基复合材料(简称“热塑性复材”)对温度变化敏感。针对碳纤维/聚醚醚酮(CF/PEEK)热塑性复材周铣加工过程,建立了包括各向异性材料塑性变形与刀-工-屑多面摩擦作用的复合热源模型,求解了以不同纤维方向切削热塑性复材时刀-工-屑的切削热量分配比例,最终构建了热塑性复材周铣温度预测模型,并由此分析了纤维方向、切削速度、进给量等工艺参数的影响。经实验验证,模型平均预测误差低于11.5%。结果表明:大角度切削时,流入工件的热量比例更高,导致铣削温度更高。随切削速度的增大,铣削温度先上升后下降,切削速度临界值在100 m/min附近;而随着进给量增加,铣削温度总体呈下降趋势,当进给量由0.01 mm/r增大到0.1 mm/r时,铣削温度下降40%以上。

     

  • 图  1  碳纤维增强热塑性树脂基复合材料(CFRTP)周铣温度计算流程示意图

    Figure  1.  Schematic diagram of carbonfiber reinforced thermoplastic resin matrix composites (CFRTP) milling temperature calculation process

    图  2  CFRTP加工时产热示意图

    Figure  2.  Schematic diagram of heat source during CFRTP processing

    v—Cutting speed (feed speed)

    图  3  CFRTP加工时传热机制示意图

    Figure  3.  Schematic diagram of heat transfer mechanism during CFRTP processing

    qrake—Heat flux density of friction heat source on rake face; qplastic—Heat flux density of plastic deformation heat source; qflank—Heat flux density of friction heat source on flank face; R1—Distribution ratio of plastic deformation heat transmitted to chip; R2—Proportion of heat generated by friction between the tool and the chips transmitted to chip distribution; R3—Proportion of heat generated by friction between the tool and the workpiece transmitted to the workpiece distribution; Rchip—Heat distribution ratio of incoming chips; Rtool—Heat distribution ratio of incoming the tool; RCFRTP—Heat distribution ratio of incoming the workpiece

    图  4  CFRTP纤维方向角示意图

    Figure  4.  Schematic diagram of CFRTP fiber orientation angle

    图  5  刀具与工件接触长度示意图

    Figure  5.  Schematic diagram of contact length between cutting tool and workpiece

    lc1—Contact length between chips and rake face; lc2—Contact length between the corner and the workpiece; lc3—Contact length between flank face and machined surface

    图  6  CFRTP周铣传热示意图

    Figure  6.  Heat transfer diagram of CFRTP peripheral milling

    N—Tool speed; ωc—Angle of the tool turning when cutting the workpiece; ω—Angle of a point in the workpiece relative to the origin of the coordinate; dω—Small increment of tool turning angle; X, Z—Distance from a point on the workpiece to the two axes respectively; R—Radius of milling cutter

    图  7  CFRTP铣削实验示意图

    Figure  7.  Schematic diagram of CFRTP milling experiment

    PC—Industrial personal computer

    图  8  CFRTP铣削实验装置图

    Figure  8.  Milling experimental device diagram of CFRTP

    图  9  CFRTP细观结构

    Figure  9.  Microstructure of CFRTP

    PEEK—Poly(ether-ether-ketone)

    图  10  热电偶布置示意图

    Figure  10.  Schematic diagram of thermocouple arrangement

    图  11  红外成像仪下周铣装置示意图

    Figure  11.  Schematic diagram of infrared imager peripheral milling device

    图  12  纤维方向角对工件温度((a)~(c))和热分配比例系数((d)~(f))的影响:((a), (d)) v=100 m/min,fz=0.05 mm/r;((b), (e)) v=200 m/min,fz=0.05 mm/r;((c), (f)) v=100 m/min,fz=0.1 mm/r

    Figure  12.  Influence of fiber orientation angle on workpiece temperature ((a)-(c)) and heat partition ratio coefficient ((d)-(f)): ((a), (d)) v=100 m/min, fz=0.05 mm/r; ((b), (e)) v=200 m/min, fz=0.05 mm/r; ((c), (f)) v=100 m/min, fz=0.1 mm/r

    图  13  切削速度对工件温度((a), (b))和热分配比例系数((c), (d))的影响(fz=0.05 mm/r)

    Figure  13.  Influence of cutting speed on temperature ((a), (b)) and heat partition ratio coefficient ((c), (d)) of workpiece (fz=0.05 mm/r)

    图  14  进给量对工件温度的影响:(a) 0°;(b) 90°

    Figure  14.  Influence of feed rate on temperature of workpiece: (a) 0°; (b) 90°

    表  1  CFRTP材料属性

    Table  1.   Properties of CFRTP

    ParameterValue
    Longitudinal tensile strength/MPa2070
    Transverse compressive strength/MPa102
    Longitudinal Young's modulus/GPa127
    Transverse Young's modulus/GPa10.3
    Poisson's ratio0.3
    Glass transition temperature of resin Tg/℃143
    下载: 导出CSV

    表  2  刀具参数和加工参数

    Table  2.   Tool parameters and machining parameters

    ParameterValue
    Tool diameter D/mm10
    Main cutting edge rake angle γ0/(°)5
    Main cutting edge clearance angle α/(°)
    Number of main cutting edges
    Coating
    3
    2
    Black nanometer
    Cutting speed v/(m·min−1)25, 50, 100, 150, 200
    Feed per revolution fz/(mm·r−1)0.01, 0.025, 0.05, 0.075, 0.1
    Radial cutting depth a'c/mm
    Milling mode
    0.3
    Climb milling
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-06-02
  • 修回日期:  2023-07-23
  • 录用日期:  2023-07-28
  • 网络出版日期:  2023-08-10
  • 刊出日期:  2024-04-15

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