|
3
Equal Roll Trough
|
Area (ft2)
|
|
Belt
Width
|
Surcharge
Angle (β)
|
Trough angle (α)
|
|
20°
|
30°
|
35°
|
45°
|
|
16"
|
0°
|
0.065
|
0.097
|
0.108
|
0.129
|
|
5°
|
0.075
|
0.108
|
0.118
|
0.140
|
|
10°
|
0.097
|
0.118
|
0.129
|
0.151
|
|
15°
|
0.108
|
0.129
|
0.140
|
0.161
|
|
20°
|
0.118
|
0.151
|
0.151
|
0.172
|
|
25°
|
0.140
|
0.161
|
0.172
|
0.183
|
|
30°
|
0.151
|
0.172
|
0.183
|
0.194
|
|
18"
|
0°
|
0.086
|
0.118
|
0.140
|
0.161
|
|
5°
|
0.108
|
0.140
|
0.151
|
0.183
|
|
10°
|
0.118
|
0.161
|
0.172
|
0.194
|
|
15°
|
0.140
|
0.172
|
0.183
|
0.205
|
|
20°
|
0.161
|
0.194
|
0.205
|
0.226
|
|
25°
|
0.183
|
0.215
|
0.226
|
0.237
|
|
30°
|
0.205
|
0.226
|
0.237
|
0.248
|
|
20"
|
0°
|
0.108
|
0.161
|
0.172
|
0.205
|
|
5°
|
0.129
|
0.183
|
0.194
|
0.226
|
|
10°
|
0.161
|
0.205
|
0.215
|
0.248
|
|
15°
|
0.183
|
0.226
|
0.237
|
0.258
|
|
20°
|
0.205
|
0.248
|
0.258
|
0.280
|
|
25°
|
0.226
|
0.269
|
0.280
|
0.301
|
|
30°
|
0.258
|
0.291
|
0.301
|
0.323
|
|
24"
|
0°
|
0.172
|
0.237
|
0.269
|
0.312
|
|
5°
|
0.205
|
0.269
|
0.301
|
0.344
|
|
10°
|
0.237
|
0.301
|
0.334
|
0.366
|
|
15°
|
0.269
|
0.334
|
0.355
|
0.398
|
|
20°
|
0.312
|
0.366
|
0.388
|
0.420
|
|
25°
|
0.344
|
0.398
|
0.420
|
0.452
|
|
30°
|
0.388
|
0.441
|
0.463
|
0.484
|
|
30"
|
0°
|
0.280
|
0.388
|
0.441
|
0.517
|
|
5°
|
0.334
|
0.441
|
0.484
|
0.560
|
|
10°
|
0.388
|
0.495
|
0.538
|
0.603
|
|
15°
|
0.441
|
0.549
|
0.592
|
0.646
|
|
20°
|
0.506
|
0.603
|
0.635
|
0.689
|
|
25°
|
0.560
|
0.657
|
0.689
|
0.732
|
|
30°
|
0.624
|
0.710
|
0.743
|
0.786
|
|
36"
|
0°
|
0.409
|
0.581
|
0.657
|
0.764
|
|
5°
|
0.495
|
0.657
|
0.721
|
0.829
|
|
10°
|
0.581
|
0.732
|
0.797
|
0.893
|
|
15°
|
0.657
|
0.807
|
0.872
|
0.958
|
|
20°
|
0.743
|
0.893
|
0.947
|
1.023
|
|
25°
|
0.840
|
0.969
|
1.023
|
1.087
|
|
30°
|
0.926
|
1.055
|
1.109
|
1.163
|
|
42"
|
0°
|
0.570
|
0.807
|
0.904
|
1.066
|
|
5°
|
0.689
|
0.915
|
1.012
|
1.152
|
|
10°
|
0.797
|
1.023
|
1.109
|
1.238
|
|
15°
|
0.915
|
1.130
|
1.206
|
1.335
|
|
20°
|
1.033
|
1.238
|
1.313
|
1.421
|
|
25°
|
1.163
|
1.356
|
1.421
|
1.518
|
|
30°
|
1.292
|
1.464
|
1.528
|
1.604
|
|
48"
|
0°
|
0.753
|
1.076
|
1.206
|
1.421
|
|
5°
|
0.904
|
1.216
|
1.335
|
1.528
|
|
10°
|
1.066
|
1.356
|
1.475
|
1.647
|
|
15°
|
1.216
|
1.496
|
1.604
|
1.765
|
|
20°
|
1.378
|
1.647
|
1.744
|
1.884
|
|
25°
|
1.539
|
1.787
|
1.884
|
2.002
|
|
30°
|
1.711
|
1.948
|
2.034
|
2.131
|
|
|
3
Equal Roll Trough
|
Area (ft2)
|
|
Belt
Width
|
Surcharge
Angle (β)
|
Trough angle (α)
|
|
20°
|
30°
|
35°
|
45°
|
|
54"
|
0°
|
0.969
|
1.378
|
1.550
|
1.819
|
|
5°
|
1.163
|
1.550
|
1.711
|
1.959
|
|
10°
|
1.356
|
1.733
|
1.884
|
2.110
|
|
15°
|
1.561
|
1.916
|
2.056
|
2.260
|
|
20°
|
1.765
|
2.099
|
2.228
|
2.411
|
|
25°
|
1.970
|
2.293
|
2.411
|
2.562
|
|
30°
|
2.185
|
2.486
|
2.594
|
2.723
|
|
60"
|
0°
|
1.206
|
1.711
|
1.927
|
2.260
|
|
5°
|
1.453
|
1.938
|
2.142
|
2.443
|
|
10°
|
1.701
|
2.164
|
2.347
|
2.626
|
|
15°
|
1.948
|
2.390
|
2.562
|
2.809
|
|
20°
|
2.196
|
2.616
|
2.777
|
3.003
|
|
25°
|
2.400
|
3.929
|
3.003
|
3.197
|
|
30°
|
2.723
|
3.100
|
3.240
|
3.391
|
|
66"
|
0°
|
1.442
|
2.045
|
2.303
|
2.702
|
|
5°
|
1.744
|
2.325
|
2.573
|
2.928
|
|
10°
|
2.045
|
2.594
|
2.809
|
3.143
|
|
15°
|
2.336
|
2.863
|
3.068
|
3.358
|
|
20°
|
2.626
|
3.132
|
3.326
|
3.595
|
|
25°
|
2.831
|
3.412
|
3.595
|
3.832
|
|
30°
|
3.261
|
3.714
|
3.886
|
4.058
|
|
72"
|
0°
|
1.765
|
2.508
|
2.820
|
3.305
|
|
5°
|
2.120
|
2.831
|
3.132
|
3.574
|
|
10°
|
2.476
|
3.154
|
3.434
|
3.843
|
|
15°
|
2.842
|
3.488
|
3.746
|
4.112
|
|
20°
|
3.208
|
3.821
|
4.058
|
4.381
|
|
25°
|
3.584
|
4.166
|
4.381
|
4.661
|
|
30°
|
3.972
|
4.521
|
4.725
|
4.951
|
|
80"
|
5°
|
2.669
|
3.638
|
3.929
|
4.489
|
|
10°
|
3.122
|
3.983
|
4.338
|
4.844
|
|
15°
|
3.563
|
3.638
|
4.704
|
5.156
|
|
20°
|
4.047
|
4.822
|
5.124
|
5.533
|
|
25°
|
4.489
|
5.328
|
5.500
|
5.845
|
|
30°
|
5.005
|
5.705
|
5.963
|
6.254
|
|
84"
|
0°
|
2.433
|
3.444
|
3.875
|
4.553
|
|
5°
|
2.928
|
3.907
|
4.306
|
4.919
|
|
10°
|
3.412
|
4.349
|
4.725
|
5.285
|
|
15°
|
3.907
|
4.801
|
5.145
|
5.651
|
|
20°
|
4.402
|
5.253
|
5.586
|
6.017
|
|
25°
|
4.919
|
5.726
|
6.028
|
6.405
|
|
30°
|
5.457
|
6.211
|
6.491
|
6.803
|
|
88"
|
0°
|
2.766
|
3.907
|
4.392
|
5.145
|
|
5°
|
3.261
|
4.435
|
4.801
|
5.479
|
|
10°
|
3.843
|
4.898
|
5.317
|
5.942
|
|
15°
|
4.349
|
5.436
|
5.737
|
6.286
|
|
20°
|
4.962
|
5.909
|
6.286
|
6.770
|
|
25°
|
5.479
|
6.491
|
6.706
|
7.115
|
|
30°
|
6.125
|
6.986
|
7.287
|
7.642
|
|
96"
|
0°
|
3.305
|
4.650
|
5.220
|
6.114
|
|
5°
|
3.853
|
5.307
|
5.673
|
6.469
|
|
10°
|
4.564
|
5.813
|
6.297
|
7.040
|
|
15°
|
5.134
|
6.501
|
6.770
|
7.416
|
|
20°
|
5.877
|
6.997
|
7.449
|
8.008
|
|
25°
|
6.469
|
7.653
|
7.911
|
8.385
|
|
30°
|
7.244
|
8.267
|
8.611
|
9.031
|
|
