![background image](http://html1.mh-extra.com/html/nidec/dynagear-d115/dynagear-d115_installation-and-operating-instructions-manual_1687858014.webp)
www.graessner.de
gmb / BA DynaGear_EN
Page 14 of 22
7.3.2 Drive via clamping hub and clamping ring screw (DynaGear HighRatio)
Clean the clamping hub, bore and flange
surface on the planetary pre-stage so that
they are free of dirt and grease. Do the
same on the motor shaft and motor flange.
Position the clamping hub with clamping
screw, and then open.
Preferred mounting position:
gear unit and motor vertical.
Insert the motor into the gear
unit from above.
The motor must be in tension-
free contact with the gear unit
flange, then screw in screws
with screw-locking paste and
tighten them crosswise to the
specified tightening torque.
Tightening torques for screws on flanges, lanterns and motors
DIN 912, 8.8
M5
M6
M8
M10
M12
6 Nm
10 Nm
25 Nm
50 Nm
86 Nm
Tightening torques of the clamp screws on the clamping hubs
Gear unit
D55HR
D75HR
D90HR
D115HR
D130HR
D140HR
D160HR
D190HR
Tightening
torque clamp
screw M
A
(Nm)
6
9
9
up to Ø 14 - 11 Nm
from Ø 19 - 20 Nm
up to Ø24 - 20Nm
from Ø28
– 35Nm
Width across
flats Allen key
(mm)
4
4
4
5
5
5
5
5
Tighten the clamping screw in the
clamping hub with suitable MA,
Fit the plug.