考虑材料形变的旋风铣削螺纹工件表面粗糙度建模
刘超,黄尊鹏,黄绍服

Surface roughness modeling of thread workpieces in whirlwind milling considering material deformation
Chao LIU,Zunpeng HUANG,Shaofu HUANG
表 2 工件的几何和物理参数
Tab.2 Geometrical and physical properties of workpiece
参数数值参数数值
几何参数:热膨胀系数/(℃−1)11.9×10−6
轴向节距/mm10.00比热容/(J·kg−1·℃−1)476.975
工件外径/mm62.05Johnson-Cook参数[47]
齿根圆直径/mm57.95A/MPa2482.4
螺旋角/(°)2.5B/MPa1498.5
热物理参数[46]C0.027
密度/(g·mm−3)7.81×10−3n0.66
弹性模量/GPa210m0.19
泊松比0.3Tm/℃1 487
导热系数/(W·mm−1·℃−1)4.66×10−2