SB-7-622 Page 12
Gear
Diameter
(Inches)
Dimensions
(Inches)
Maximum
Allowable
Moment
(LB-IN)
A
B
C
(Max)
6
4.08
1.14
.38
1788
7
4.50
1.31
.38
3000
8
5.57
1.77
.38
4144
MAXIMUM ALLOWABLE MOMENT
DRIVE SHAFT ILLUSTRATION
Z
Ac
Z
Ac
Z
Ac
Z
Ac
Z
Ac
Z
Ac
0.000
1.000
0.250
0.966
0.500
0.926
0.750
0.879
1.000
0.823
1.250
0.751
0.025
0.997
0.275
0.962
0.525
0.922
0.775
0.874
1.025
0.816
1.275
0.742
0.050
0.994
0.300
0.958
0.550
0.917
0.800
0.869
1.050
0.810
1.300
0.734
0.075
0.990
0.325
0.954
0.575
0.913
0.825
0.864
1.075
0.803
1.325
0.725
0.100
0.987
0.350
0.951
0.600
0.908
0.850
0.858
1.100
0.796
1.350
0.716
0.125
0.983
0.375
0.947
0.625
0.904
0.875
0.852
1.125
0.789
1.375
0.706
0.150
0.980
0.400
0.943
0.650
0.899
0.900
0.847
1.150
0.782
1.400
0.697
0.175
0.977
0.425
0.939
0.675
0.894
0.925
0.841
1.175
0.774
1.425
0.687
0.200
0.973
0.450
0.935
0.700
0.889
0.950
0.835
1.200
0.767
0.225
0.969
0.475
0.930
0.725
0.884
0.975
0.829
1.225
0.759
ARC OF CONTACT FACTORS
Belt Pull = 2.5
– Ac
X
125954 x Hp x S.F.
Ac
D x RPM
Key:
Ac
=Arc of Contact Factor (Refer to Arc of Contact Factor Chart above)
Hp
=
Blower Horsepower for Operating Conditions
S.F.
=
Actual Drive Service Factor
D
=
Blower Sheave Pitch Diameter in Inches
RPM
=
Blower Sheave Speed
Z
=Large Sheave Pitch Diameter (in)
– Small Sheave Pitch Diameter (in)
Sheave Center Distance (in)
CALCULATION OF BELT PULL
Shaft Moment (LB-IN) = Belt Pull x B + C+ Sheave Width
2
CALCULATION OF SHAFT MOMENT
FIGURE 2- 2 – BELT DRIVE OVERHUNG LOAD CALCULATIONS
Содержание GAF P Series
Страница 19: ...SB 7 622 Page 18 SECTION 5 MAINTENANCE FIGURE 5 1 PULLER PLATE SK2154...
Страница 20: ...SB 7 622 Page 19 FIGURE 5 2 GEAR DRIVEN SK2150...
Страница 21: ...SB 7 622 Page 20 FIGURE 5 3 MECHANICAL SEAL INSTALLATION TOOL SK2152...
Страница 22: ...SB 7 622 Page 21 FIGURE 5 1 BEARING PRESS TOOL MECHANCIAL SEAL UNITS SK2156 FIGURE 5 4...
Страница 33: ...SB 7 622 Page 32 SECTION 8 PARTS LIST 300GAF810 B Ref Drawing...
Страница 35: ...SB 7 622 Page 34 300GAG810 A Ref Drawing...
Страница 37: ...SB 7 622 Page 36 300GAH810 A Ref Drawing...
Страница 39: ...SB 7 622 Page 38...