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5 Installation
5.4 Permissible overhung load and permissible
thrust load
The overhung load on the motor's output shaft or gear output shaft must be kept
within the permissible values listed below.
Failure due to fatigue may occur if the motor's bearings and output shaft
Note
are subject to repeated loading by an overhung or thrust load that is in
excess of the permissible limit.
Motor type
Standard type
PK243
PK244
PK245
PK264
PK266
PK268
PK296
PK299
PK2913
High-resolution
PK243M
type
PK244M
PK245M
PK264M
PK266M
PK268M
Geared type
PK243SG
PK264SG
(gear ratio:
3.6 to 10)
PK264SG
(gear ratio:
18 to 36)
∗ indicated the motor's mass [kg (lb.)]. The thrust load should not exceed the motor's mass.
−18−
Permissible overhung load [N (lb.)]
Distance from the tip of
motor's output shaft [mm (in.)]
0
5
10
(0)
(0.20)
(0.39)
20
25
34
(4.5)
(5.6)
(7.6)
54
67
89
(12.1)
(15)
(20)
260
290
340
(58)
(65)
(76)
20
25
34
(4.5)
(5.6)
(7.6)
54
67
89
(12.1)
(15)
(20)
10
15
20
(2.2)
(3.3)
(4.5)
30
40
50
(6.7)
(9)
(11.2)
80
100
120
(18)
(22)
(27)
Permissible
thrust load
15
20
(0.59)
(0.79)
0.21 (0.46)
52
−
0.27 (0.59)
(11.7)
0.35 (0.77)
0.45 (0.99)
130
−
0.7 (1.54)
(29)
390
480
(87)
(108)
0.24 (0.53)
52
−
0.3 (0.66)
(11.7)
0.37 (0.81)
0.45 (0.99)
130
−
0.7 (1.54)
(29)
30
−
(6.7)
60
70
(13.5)
(15.7)
140
160
(31)
(36)
[N (lb.)]
∗
∗
∗
∗
∗
∗
1 (2.2)
1.7 (3.7)
2.8 (6.2)
3.8 (8.4)
∗
∗
∗
∗
∗
∗
1 (2.2)
15 (3.3)
30 (6.7)
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