 Technical Information
|
CALCULATING
HORSEPOWER- INCLINE/DECLINE
- ROLLER BED
ROLLER
BED BELT CONVEYORS (INCLINE OR DECLINE)
+ Product (Total Live Load)
+ Belt Weight (see below)
+ Roller Weight (see below)
+ 250 Drive Weight
= Subtotal
x .05 Friction Factor
= Subtotal
+ (Actual Live Load on Incline Portion of
Conv. x Incline Sine-See Sine
Chart)
= Subtotal
x 1.25 (25% Contingency Factor)
= Effective Belt Pull
x Speed of Conveyor
÷ 33,000 Horsepower Factor
÷ .95 Chain Reductions
÷ .85 GRE / Reducer Losses
= Horsepower
|
SINES
|
|
DEGREE
|
SINE
|
DEGREE
|
SINE
|
|
5°
|
.08715
|
21°
|
.35837
|
|
10°
|
.17365
|
22°
|
.37461
|
|
11°
|
.19081
|
23°
|
.39073
|
|
12°
|
.20791
|
24°
|
.40674
|
|
13°
|
.22495
|
25°
|
.42262
|
|
14°
|
.24192
|
26°
|
.43837
|
|
15°
|
.25882
|
27°
|
.45399
|
|
16°
|
.27364
|
28°
|
.46947
|
|
17°
|
.29237
|
29°
|
.48481
|
|
18°
|
.30902
|
30°
|
.50000
|
|
19°
|
.32557
|
35°
|
.57358
|
|
20°
|
.34202
|
40°
|
.64279
|
|
BELT
WEIGHTS
|
| BELT
WIDTH |
6" |
12" |
18" |
24" |
30" |
36" |
42" |
48" |
| BELT |
BELT
WEIGHTS (lbs.)
PER FOOT OF BELTING (Not Conveyor) |
| PVC-120
(CxFS) |
.51 |
1.02 |
1.53 |
2.04 |
2.55 |
3.06 |
3.57 |
4.08 |
| PVC-120
(FSxFS) |
.24 |
.48 |
.72 |
.96 |
1.20 |
1.44 |
1.68 |
1.92 |
| PVC
RUFF TOP |
.45 |
.90 |
1.35 |
1.80 |
2.25 |
2.70 |
3.15 |
3.60 |
|
NOTE:
PVC-150 (CxFS) is .241 #/ft. with 2-1/4" belt width. |
|
ROLLER
WEIGHTS
|
|
BF
|
7"
|
11"
|
13"
|
15"
|
17"
|
19"
|
21"
|
23"
|
25"
|
|
MODEL
|
ROLLER WEIGHTS
(lbs.)
|
|
196S
|
1.6
|
2.2
|
2.5
|
2.7
|
2.9
|
3.3
|
3.6
|
3.8
|
4.1
|
|
196G
|
1.6
|
2.3
|
2.6
|
2.8
|
3.0
|
3.4
|
3.7
|
3.9
|
4.3
|
|
192S
|
2.3
|
3.4
|
3.8
|
4.5
|
5.2
|
5.6
|
6.0
|
6.6
|
7.2
|
|
199S
|
2.6
|
4.0
|
4.5
|
5.3
|
6.1
|
6.6
|
7.1
|
7.8
|
8.5
|
|
254S
|
2.1
|
3.0
|
3.4
|
3.9
|
4.4
|
4.8
|
5.2
|
5.7
|
6.2
|
|
251S
|
4.2
|
5.6
|
6.4
|
7.1
|
7.8
|
8.5
|
9.2
|
9.9
|
10.7
|
|
297S
|
4.6
|
6.7
|
7.6
|
8.7
|
9.8
|
10.8
|
11.8
|
12.3
|
13.8
|
|
3509S
|
6.5
|
8.8
|
9.9
|
11.0
|
12.1
|
13.3
|
14.4
|
15.6
|
16.7
|
|
3530S
|
11.2
|
15.9
|
18.3
|
20.6
|
23.0
|
25.3
|
27.6
|
30.0
|
32.3
|
|
ROLLER
WEIGHTS
|
|
BF
|
27"
|
31"
|
33"
|
35"
|
37"
|
39"
|
43"
|
47"
|
51"
|
|
MODEL
|
ROLLER WEIGHTS
(lbs.)
|
|
196S
|
4.4
|
4.9
|
5.2
|
5.5
|
5.8
|
6.1
|
6.7
|
7.3
|
7.8
|
|
196G
|
4.6
|
5.1
|
5.4
|
5.7
|
6.0
|
6.3
|
7.0
|
7.6
|
8.1
|
|
192S
|
7.7
|
8.8 |
9.4
|
9.9
|
10.6
|
11.0
|
12.1
|
13.2
|
14.3
|
|
199S
|
9.2
|
10.5
|
11.2
|
11.8
|
12.6
|
13.1
|
14.5
|
15.8
|
17.1
|
|
254S
|
6.6
|
7.5
|
8.4
|
9.3
|
9.8
|
10.2
|
11.3
|
12.3
|
13.3
|
|
251S
|
11.4
|
12.8
|
13.5
|
14.3
|
15.0
|
15.7
|
17.1
|
18.6
|
20.0
|
|
297S
|
13.8
|
16.9
|
17.9
|
19.0
|
20.0
|
21.0
|
23.0
|
25.1
|
27.2
|
|
3509S
|
17.8
|
20.1
|
21.2
|
22.3
|
23.5
|
24.6
|
26.9
|
29.1
|
31.4
|
|
3530S
|
34.7
|
39.4
|
41.8
|
44.1
|
46.4
|
48.8
|
53.5
|
58.2
|
62.8
|
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