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Technical Data |
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|
gear pinion |
1.15 |
chain wheel |
1.4 |
belt |
1.75 |
flat belt |
2.5 |
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|
load grade |
daily operation hours(hour) |
1-2 |
3-8 |
9-15 |
16-24 |
uniform load |
0.80 |
0.90 |
1.20 |
1.30 |
medium impact load |
1.00 |
1.20 |
1.30 |
1.50 |
heavy impact load |
1.20 |
1.50 |
1.75 |
2.00 |
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|
speed ratio (i) |
i = n1/n2 |
output rotation speed (rpm) |
n2 = v(πD) |
output torque (N.m) |
m2 = mg·r·fz |
input power (metric) |
P1 = P2·fs/η |
input power (British standard) |
Hp1 = HP2·fs/η |
output power (metric) |
P2 = M2·n2/9549 |
output power (British standard) |
HP2 = M2·n2/7017 |
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|
v = speed (m/min) |
η = efficiency |
1 in = 2.54 cm |
i = speed ratio i |
n2 = output rotation speed (rpm) |
1 ft = 12 in |
M2 = output torque (Nm) |
D = roller diameter (mm) |
1 kw = 1000 w |
1 kw = 1.34102 hp |
fz = connecting factor |
r = roller radius (mm) |
1 N.m = 0.73756 lb.ft |
1 N.m = 8.85075 in.lb |
fs = service factor |
P1 = input power (HP1) |
1 N = 2.20462 lb |
1 lb = 0.45359 kg |
m = load (kg) |
P2 = output power(HP2) |
1 cm = 10 mm |
1 cm = 0.3937 in |
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