Cutting Force Coefficients

Ktc [N/m^2]

Krc [N/m^2]

Kte [N/m]

Kre [N/m]

Tool Dynamics

X direction modes 1 2

Y direction modes 1 2

Y

k1 [N/m]

zeta1

fn1 [Hz]

k2 [N/m]

zeta2

fn2 [Hz]

Machining Specification

omega [rpm]

a [m]

b [m]

ft [m]

Down milling Up milling

• Ktc ---------- tangential force coefficient
• Krc ---------- radial force coefficient
• Kte ---------- tangential edge constant
• Kre ---------- radial edge constant
• omega ------- spindle speed
• a ------------ radial depth of cut
• b ------------ axial depth of cut
• ft ------------ feed per tooth
• steps_tooth -- steps between teeth
• rev ---------- number of revolutions
• steps_axial --- steps along cutter axis
• k ------------ modal stiffness
• zeta --------- viscous damping ratio
• fn ----------- natural frequency
• diameter ----- nominal cutter diameter
• beta --------- helix angle
• RO ----------- runout from largest tooth (negative values expected)
• angle -------- angle of tooth from zero

Simulation Specification

steps_tooth [int]

rev [int]

steps_axial [int]