GUDEL NGHP Series, Service Manual

Page: 67 / 146

Fig. 6-12 Calculation formula: Setting angle
Abbreviation Measurement unit Designation
D
0
[mm] Pitch circle diameter of
pinion
M
n
[mm] Normal module
z Number of pinion
teeth
ß [°] Helix angle of pinion
teeth
P
x
[arcmin] Gearbox precision
class
f [µm] Assigned value: Lubri-
cation
s [µm] Assigned value: Gear-
box size
k Assigned value: Helix
angle
L
1
[µm] Measured linear play at
preset 30°
L
P
[µm] Value from gearbox
precision class
L
r
[µm] Value from pinion run-
out
L
2
[µm] Recommended value
for tooth flank backlash
θ
2
[°] Calculated setting angle
Table 6-8 List of abbreviations
Commissioning
SERVICE MANUAL Planetary gear Güdel NRH, NRHP,
NGHP
18014399245011339_v2.0_
EN-US
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