基于岩屑形貌分形特征的PDC齿破岩比功评估模型

赫文豪,李欣龙,张润青,刘利,史怀忠,黄中伟,熊超,陈振良,吴洪志

Evaluation model of rock-breaking specific energy for PDC cutter based on fractal characteristics of rock cutting morphology

Wenhao HE,Xinlong LI,Runqing ZHANG,Li LIU,Huaizhong SHI,Zhongwei HUANG,Chao XIONG,Zhenliang CHEN,Hongzhi WU

图7 PDC齿水平切削力与破岩比功随切削速度的变化规律（ d=2 mm， θ=20°）

Fig.7 Variation law of horizontal cutting force and rock-breaking specific energy of PDC cutters with cutting speed (d=2 mm, θ=20°)