Calculate minimum crane wheel diameter.
Minimum tensile strength | c1 |
330 | 0.5 |
410 | 0.63 |
490 | 0.8 |
590 | 1.0 |
740 | 1.25 |
800 | 1.29 |
900 | 1.39 |
1000 | 1.52 |
rpm | 5 | 5.6 | 6.3 | 8 | 10 | 11.2 | 12.5 | 14 | 16 | 18 | 20 | 22.4 | 25 | 28 | 31.5 | 35.5 | 40 |
c2 | 1.17 | 1.16 | 1.15 | 1.14 | 1.13 | 1.12 | 1.11 | 1.1 | 1.09 | 1.07 | 1.06 | 1.04 | 1.03 | 1.02 | 1 | 0.99 | 0.97 |
rpm | 40 | 50 | 56 | 63 | 71 | 80 | 90 | 100 | 112 | 125 | 160 | 200 | |||||
c2 | 0.96 | 0.94 | 0.92 | 0.91 | 0.89 | 0.87 | 0.84 | 0.82 | 0.79 | 0.77 | 0.72 | 0.66 |
Operating time | c3 |
< 16% | 1.25 |
16% to 25% | 1.12 |
25% to 40% | 1 |
40% to 63% | 0.9 |
> 63% | 0.8 |