SIEMENS
3/2
Siemens MD 31.1 · 2016
Planetary geared motors, coaxial
Introduction
3
■
Overview
Speeds n
2
The speeds
n
2
refer to operation at
f
= 50 Hz. Conversion is
required in the case of different line frequencies.
Radial forces on low speed shaft (LSS)
The permissible radial forces on LSS given in this chapter refer
to continuous stresses. In the case of infrequent, brief stresses,
the values in the table below are permissible. The values apply
to the LSS variant of the hollow shaft with spline in accordance
with DIN 5480 and a point of application of the radial force in the
center of the spline. Different force-application points or other
LSS variants on request. The values apply for a standard bearing
service life of
L
10h
= 10000 hours.
Axial forces on low speed shaft (LSS)
Axial forces on LSS are available on request.
Service factor f
B
The service factors
f
B
given in the tables below apply to the
entire planetary geared motor.
Short product description
For explanations on the short product description, see page 1/2.
Transmission ratio overview
For an overview of the possible transmission ratios and the
IEC motors that can be mounted in each case, see Chapter 5
.
The motor sizes in the line of the K4 adapter are decisive here.
Gear unit size
F
2R,max
[N]
30
45500
35
69400
37
76000
40
80800
45
107700
50
121300
55
155400
60
216200
© Siemens AG 2016