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Mechanical installation
4.4 Specifications for mounting torque motors
6. Fix the stator and rotor using the transport locks. To do this, tighten the bolts with the
specified tightening torques according to the table "Required property classes and
tightening torques for stator and rotor".
7. Remove the spacer foil. When the stator and rotor are correctly centered, the spacer film
can be easily removed by hand.
4.4
Specifications for mounting torque motors
Mounting system
The following must be taken into account when the torque motor is mounted:
● Only use new (unused) fixing screws.
● The mounting surfaces must be free of oil and grease.
● Note the maximum permissible insertion depth of the fixing screws in the stator and rotor
(refer to the relevant installation drawing or the following table).
● Minimum insertion depth of the mounting screws in the stator:
1.0 x d + section without threads
● Minimum insertion depth of the fixing screws in the rotor flange (in steel):
1.1 x d
● To secure the screws, choose long clamping lengths l
(if l
with calibrated torque wrench).
● Note the tightening torques specified in the table below.
● Tighten the screws in such a way that the angle of rotation is controlled. Using a
calibrated torque wrench with the shortest possible bit insert, however, ensure that they
are tightened in diagonally opposite (180°) pairs.
● Tighten all the screws to minimize the risk of them penetrating other materials.
● Do not use any liquids for securing the screws.
62
/ d > 5 is not possible), check pretensioning of the screws at regular intervals (tighten
k
, l
/ d > 5 if possible; alternatively
k
k
Naturally cooled 1FW6 built-in torque motors
Operating Instructions, 07/2017, 6SN1197-0AF02-0BP2
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