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Sigma II User's Manual
2.1.5
Allowable Shaft Loads
Design the mechanical system so thrust and radial loads applied to the servomotor
shaft end during operation falls within the ranges shown in Table 2.1.
Allowable radial load in the table is the maximum load allowed on the end of the
output shaft.
Table 2.1: Allowable Radial and Thrust Loads for the Servomotor
Servomotor
MODEL
SGMAH
SGMPH
SGMGH
SGMSH
Note:
Thrust and radial loads:
Thrust load (Fs): Shaft-end load applied parallel to the
Radial load (Fs): Shaft-end load applied perpendicular
Allowable
Radial Load
F
r
Lb
(N)
f
A3
15.29 (68)
A5
15.29 (68)
01
17.54 (78)
02
55.1 (245)
04
55.1 (245)
08
88.1 (392)
01
17.54 (78)
02
55.1 (245)
04
55.1 (245)
08
392 (88.1)
15
110 (490)
05AoA
110 (490)
09AoA
110 (490)
13AoA
154 (686)
20AoA
264.3 (1176)
30AoA
330.4 (1470)
10A
154 (686)
15A
154 (686))
20A
154 (686)
30A
220 (980)
centerline of the shaft.
to the centerline of the shaft.
Allowable
Thrust Load
LR
F
in (mm)
s
Lb
(N)
f
12.14 (54)
0.79
12.14 (54)
(20)
12.14 (54)
16.63 (74)
0.98
(25)
16.63 (74)
1.39
33.0 (147)
(35)
0.79
11.02 (49)
(20)
15.29 (68)
0.98
(25)
15.29 (68)
33.0 (147)
1.39
(35)
33.0 (147)
22.0 (98)
2.28
22.0 (98)
(58)
77.1 (343)
110 (490)
3.11
(79)
110 (490)
44.1 (196)
1.77
44.1 (196)
(45)
44.1 (196)
2.48
(88.1 (392)
(63)
Servomotor
2-4
Chapter 2: Installation
Reference Diagram
LR
Fr
Fs
F
r
F
s
Shaft end
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