(B-axis) fly-cut adapter main spindle (C-axis)

X
y
workpiece:
• Ø 50 mm, AlMg3
• roughness calculated
Rt,kin = 10 nm (fc )
Rt,kin = 5.6 nm (fr )
• roughness measured
(WLI, 1300µm x 980 µm)
Ra = 4.8 nm
• inclination in xy-plane: ϕ = 10°
LFM
Universität Bremen
Prof. Brinksmeier
z
diamond tool:
•r ε = 5 mm (half arc)
process (spiral ball-end-milling):
•ap = 20 µm
•fc = 20 µm
fr = 15 µm
• n = 5000 rpm
x
Y �
Spiral ball-end-milling
of a free-form reflector
z
f r
f c
OR 1010