The Delft Sand, Clay & Rock Cutting Model, 2019a

The Delft Sand, Clay & Rock Cutting Model.
Horizontal Cutting Force Coefficient λ HI vs. Blade Angle α
5.0
4.5
φ=25°
Horizontal Cutting Force Coefficient λ HI (-)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
φ=30°
φ=35°
φ=40°
φ=45°
0.5
φ=50°
0.0
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Blade Angle α (Degrees)
© S.A.M.
Figure B-25: The horizontal cutting force coefficient λHI
for a dimensionless inertial effect parameter λi=250.
Vertical Cutting Force Coefficient λ VI vs. Blade Angle α
1.0
0.8
φ=25°
Vertical Cutting Force Coefficient λ VI (-)
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
φ=30°
φ=35°
φ=40°
φ=45°
-0.8
φ=50°
-1.0
15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
Blade Angle α (Degrees)
© S.A.M.
Figure B-26: The vertical cutting force coefficient λVI
for a dimensionless inertial effect parameter λi=250.
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