40
Modular Electric HMR Linear Drives
9.10.2 Installing the Drive Type Ball Screw
NOTE
► Adhere to the tightening torques for screws ac-
cording to section 7.1 on page 12.
► Insert the
movable bearing
into the
end cap non drive end
and secure it with the
circlip
.
► Assemble the
cover circulation
with the
cover screws
on the profile. Only screw the screws in enough for
the cover to remain movable radially.
► Press the
spindle bearing
into the
cover drive
and secure it with the
terminal ring
.
▐ The terminal ring must be secured against coming loose with Loctite 243.
► Clamp the
spindle
close to the
drive pin
in the vice. (Suitable protective jaws must be used when clamping
in order to avoid damaging the threaded spindle.)
► Press the
cover drive
with the
spindle bearing
onto the
bearing seat
. With this the force must be only
transferred with a suitable sleeve over the inner ring in order to avoid damaging the bearing.
► Secure the
spindle bearing
with the
locking nut
and the prescribed tightening torque (see table below).
With this the spindle bearing is pre-stressed axially. Secure the spindle bearing by tightening the terminal
screw in the nut.
End cap drive end
Spindle bearing
Clamping ring
End cap non drive end
Cover screws
Movable bearing
End cap drive end
Bearing seat
clamped
spindle
Locking nut
Circlip
Tightening torques for spindle nuts:
HMRS08
4 Nm
HMRS11
8 Nm
HMRS15
10 Nm
HMRS18
18 Nm
HMRS24
25 Nm
