The nut rotates inside bearings and moves along the fixed long lead screw shaft. The drive motor moves with the nut, so inertia and critical speed problems associated with a long rotating shaft, are minimised.
Nominal screw diameter
d0 [mm]
25
Lead
Ph [mm]
20
d1
[mm]
24,3
Preload
Backlash elimination
Nut inertia
Inn [kgmm2]
1 012
Max. nut transmissible torque
[Nm]
180
Max. nut transmissible axial load
[kN]
68,3
Screw dynamic capacity
Ca [kN]
39,5
Screw static capacity
48,3
Bearing dynamic capacity
61,8
Bearing static capacity
56
Ø1
40
Ø2
72,5
Ø3
100
Ø4
133
Ø5
Ø6
65
Ø7
48
L
121
L1
15
L2
12,4
L3
19,9
L4
74
L5
2,9
L6
16,8
L7
L8
L9
R1
0,8
R2
J1
116
J2
55
Z1xH1
6 x Ø9
Z2xH2
6 x M6
H3
M6 x 1