Page 43 - 4ConveyorBeltCatalog2010

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45
Conveyor Design Information
Decimal & metric equivalents
Fractions of
an Inch
Equivalants
Fractions of
an Inch
Equivalants
Fractions of
an Inch
Equivalants
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
1/64
0.015625
0.396875
23/64
0.359375
9.128125
11/16
0.6875
17.4625
1/32
0.03125
0.79375
3/8
0.3750
9.5250
45/64
0.703125
17.859375
3/64
0.046875
1.190625
25/64
0.390625
9.921875
23/32
0.71875
18.25625
1/16
0.0625
1.5875
13/32
0.40625
10.31875
47/64
0.734375
18.653125
5/64
0.078125
1.984375
27/64
0.421875
10.715625
3/4
0.7500
19.0500
3/32
0.09375
2.38125
7/16
0.4375
11.1125
49/64
0.765625
19.446875
7/64
0.109375
2.778125
29/64
0.453125
11.509375
25/32
0.78125
19.84375
1/8
0.1250
3.1750
15/32
0.46875
11.90625
51/64
0.796875
20.240625
9/67
0.140625
3.571875
31/64
0.484375
12.303125
13/16
0.8125
20.6375
5/32
0.15625
3.96875
1/2
0.5000
12.700
53/64
0.828125
21.034375
11/64
0.171875
4.365625
33/64
0.515625
13.096875
27/32
0.84375
21.43125
3/16
0.1875
4.7625
17/32
0.53125
13.49375
55/64
0.859375
21.828125
13/64
0.203125
5.159375
35/64
0.546875
13.890625
7/8
0.8750
22.2250
7/32
0.21875
5.55625
9/16
0.5625
14.2875
57/64
0.890625
22.621875
15/64
0.234375
5.93125
37/64
0.578125
14.684375
29/32
0.90625
23.01875
1/4
0.2500
6.3500
19/32
0.59375
15.08125
59/64
0.921875
23.415625
17/64
0.265625
6.756875
39/64
0.609375
15.478125
15/16
0.9375
23.8125
9/32
0.28125
7.14375
5/8
0.6250
15.8750
61/64
0.953125
24.209375
19/64
0.296875
7.540625
41/64
0.640625
16.271875
31/32
0.96875
24.60625
5/16
0.3215
7.9375
21/32
0.65625
166875
63/64
0.984375
24.003125
21/64
0.328125
8.334375
43/64
0.671875
17.065625
1
1.0000
25.4000
11/32
0.34375
8.73125
Conveyor Belt Speeds - Pulley Revolutions Per Minute & Formulas
Diameter of Pulley
in Inches
Pulley Circumference
in Feet
Belt Speeds in Feet per Minute
100
150
200
250
300
350
400
500
600
Pulley Revolutions per Minute
12
3.14
31.8
47.7
63.7
79.6
95.6
111.4
127.3
159.2
191.0
14
3.67
27.2
40.8
54.5
68.2
81.7
95.5
109.1
136.4
163.7
16
4.18
23.9
35.8 47.8
59.8
71.8
85.0
95.5
119.4
143.2
18
4.72
21.1
31.8
42.4
53.0
63.6
74.2
84.9
106.1
127.3
20
5.24
19.1
28.6
38.2
47.7
57.2
66.8
76.4
95.5
114.6
24
6.28
16.0
23.9
31.9
39.8
47.8
55.7
63.7
79.7
95.5
26
6.80
14.7
22.0
29.4
36.7
44.2
51.5
58.8
73.5
88.1
28
7.32
13.7
20.5
27.3
34.2
41.0
47.8
54.7
68.3
81.9
30
7.85
12.7
19.1
25.5
31.8
38.2
44.6
51.0
63.7
76.4
32
8.37
11.9
17.9
23.9
29.8
35.8
41.8
47.7
59.7
71.6
36
9.42
10.6
15.9
21.2
26.5
31.8
31.8
45.5
53.0
63.7
To Obtain
Having
Formula
Belt speed feed per minute
Diameter (D) of pulley inches and revolutions per minute (RPM)
S = 0.2618 x D x RPM
Shaft Speed revolutions per minute (RPM)
Velocity (S) ft. per minute and diameter (D) of pulley inches
RPM =
Diameter (D) of pulley inches
Velocity (S) ft. per minute and revolutions per minute (RPM)
D =
S
0.2618 x D
S
0.2618 x RPM