Poisson's ratio | 0.3 | 0.3 |
Shear modulus/GPa | 0.56 | 70 |
Density/kg/m3 | 2630 | 7,800 |
Position 1 (7.5–35) | 25,001.8 | 27,351.2 |
Position 2 (15–35) | 24,952.6 (−0.20%) | 34,496.7 (16.13%) |
Position 3 (7.5–35) | 25,786 (3.14%) | 30,589 (11.84%) |
1 m/s | 25,260 | 37,772 |
2 m/s | 25,119 (−0.56%) | 31,998 (−15.29%) |
3 m/s | 24,898 (−1.43%) | 333,34.6 (−11.75%) |
4 m/s | 24,424 (−3.31%) | 27,429 (−27.38%) |
5 m/s | 24,154.7 (−4.38%) | 31,862 (−15.65%) |
The recovery coefficient | 0.2 | 0.25 |
Static friction coefficient | 0.5 | 0.7 |
Rolling friction coefficient | 0.001 | 0.001 |
0° | 15,078.1 | 23,474.2 | 26,291.4 |
20° | 12,941.7 (−14.17%) | 12,498 (−46.76%) | 16,175.2 (−38.48%) |
795 rpm (50 m/s) | 10,001.3 | 11,175.3 | 15,532.5 |
875 rpm (55 m/s) | 11,398.4 (13.97%) | 14,622.5 (30.85%) | 19,390.4 (24.84%) |
1,035 rpm (65 m/s) | 14,055.2 (40.53%) | 15,025.6 (34.45%) | 18,624.8 (19.91%) |
Before optimisation | 30 | 955 | 14 (disjunctive distribution) | Cr26 |
After optimisation | 1,035 | 18 (continuous distribution) | Cemented carbide (tungsten and titanium) | |
Before optimisation | Cr26 | 12,473.2 | 9,359.8 | 19,835 |
After optimisation | Cemented carbide (tungsten and titanium) | 14,130.3 | 17,235.1 | 10,619.7 |
795 rpm (50 m/s) | 18,248.5 | 23,031.4 |
875 rpm (55 m/s) | 20,529 (12.50%) | 24,377.1 (4.54%) |
955 rpm (60 m/s) | 23,115 (26.07%) | 25,053.4 (8.78%) |
1035 rpm (65 m/s) | 26,611.9 (45.83%) | 31,649.4 (37.42%) |
1115 rpm (70 m/s) | 30,627.5 (67.84%) | 33,809.1 (46.80%) |