Sigma II User’s Manual
Chapter 2: Installation
2-4
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
Allowable
Radial Load
F
r
Lb
f
(N)
Allowable
Thrust Load
F
s
Lb
f
(N)
LR
in (mm)
Reference Diagram
SGMAH
A3
15.29 (68)
12.14 (54)
0.79
(20)
A5
15.29 (68)
12.14 (54)
01
17.54 (78)
12.14 (54)
02
55.1 (245)
16.63 (74)
0.98
(25)
04
55.1 (245)
16.63 (74)
08
88.1 (392)
33.0 (147)
1.39
(35)
SGMPH
01
17.54 (78)
11.02 (49)
0.79
(20)
02
55.1 (245)
15.29 (68)
0.98
(25)
04
55.1 (245)
15.29 (68)
08
392 (88.1)
33.0 (147)
1.39
(35)
15
110 (490)
33.0 (147)
SGMGH
05A
o
A
110 (490)
22.0 (98)
2.28
(58)
09A
o
A
110 (490)
22.0 (98)
13A
o
A
154 (686)
77.1 (343)
20A
o
A
264.3 (1176)
110 (490)
3.11
(79)
30A
o
A
330.4 (1470)
110 (490)
SGMSH
10A
154 (686)
44.1 (196)
1.77
(45)
15A
154 (686))
44.1 (196)
20A
154 (686)
44.1 (196)
30A
220 (980)
(88.1 (392)
2.48
(63)
LR
Fr
Fs
Servomotor
Shaft end
F
r
F
s
Thrust and radial loads:
Thrust load (Fs): Shaft-end load applied parallel to the
centerline of the shaft.
Radial load (Fs): Shaft-end load applied perpendicular
to the
centerline of the shaft.
Note: