Parker NK Series, Technical Manual

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52 - PVD 3664_GB_NK-November 2016.Docx
3.4.4. Mechanical interfaces
The mechanical interfaces requirements for the user structure must comply with the
following drawings and values.
3.4.4.1. Rotor interfaces
To fit the rotor on the shaft, apply a force (Fmaxi from the following tab) with a press
near the center with a no magnetic part.
To decrease the force applied, it is possible to heat the rotor up to 130°C maxi.
Warning : The rotor must not touch the step D2 to avoid shaft flexion
Moteur D1
D2
max
D3
F maxi
( kN )
NK110 9 s6 11 9
+0.02
-0.02
38
NK210 12 s6 13.5 12
+0.02
-0.02
40
NK310 14 s6 17.5 14
+0.025
-0.02
13
NK420 20 s6 24 20
+0.025
-0.02
53
NK430 20 s6 24 20
+0.025
-0.02
80
NK620 26 s6 32 26
+0.025
-0.02
75
NK630 26 s6 32 26
+0.025
-0.02
113
NK820 40 t6 48 40
+0.03
-0.02
54
NK840 40 t6 48 40
+0.03
-0.02
110
NK860 40 t6 48 40
+0.03
-0.02
165
4 mm
mini

D1
30°

D2
F
Rotor
Shaft
No magnetic tool

D3