Pushing On The Power Output Elements - Siemens 1PH818 Operating Instructions Manual

Assembling

5.5 Pushing on the power output elements

Fixing by means of motor feet
● The contact surfaces of the motor feet must lie on one plane. If the motor needs to be
● Select foot screws as per ISO 898-1 in compliance with the loading conditions and
Fixing by means of flange only
The flange is only used to transfer the torque. Due to the empty weight or as a result of
vibrations that arise if the flange is too soft, the motor can be damaged if it is only fastened
via the flange.
1. Fasten the flange-mounted motors via a stable motor suspension and support them via
2. During commissioning, ensure that the permitted vibration values are maintained in
5.5 Pushing on the power output elements
Balance quality
The rotors are balanced dynamically. For shaft extensions with featherkeys, the balancing
type is specified using the following coding on the face of the drive end of the shaft:
● "H" means balancing with a half feather key
● "F" means balancing with a whole feather key.
32
aligned, position metal shims underneath the feet in order to prevent machine
deformation.
The number of shims should be kept as low as possible i.e. stack as few as possible.
machine type:
Type
1PH818.
1PH822.
1PH828.
NOTICE
Property class
For 1PH828., the foot screws must have a property class of at least 8.8.
the end shield feet (foot flange type of construction).
accordance with ISO 10816-3.
If the motor is only to be secured via the flange, the maximum speed is lowered with a
rigid base as follows:
– Max. 3000 / for 1PH818.
1
min
– Max. 2500 / for 1PH822.
1
min
– Max. 2000 / for 1PH828.
1
min
Foot screw size
M12
M16
M20
Siemens AG Operating Instructions V1.0 1PH8
A5E02605207A AA