Bosch Rexroth HD 2/H Assembly Instructions Manual page 53

Table 10: Mass moment of inertia size 3
2
Mass moment of inertia [kgm
Rotation time (s)
Lift rotate unit HD 2/H, 3 842 998 761 (size 3)
Mass max. 240 kg; mass moment of inertia max. 57.6 kgm²
9
8
7
Permissible range
6
5
4
3
0
0
Fig. 32: Diagram mass moment of inertia size 3
] 2.8 10.0 15.84
3.03 3.2 4.0
The following formulas are available for the calculation:
J = ¹/₁₂ × m(b ² + l ²)
x wt wt
J = m × d²
z
J = J + J
ges x z
Impermissible range
20 40
Mass moment of inertia J
20.0 25.0 30.0 35.0
4.7 5.27 5.78 6.22
J = Mass moment of inertia of the uniformly
x
distributed load
J = Steiner's displacement law
z
J = Total mass moment of inertia [kgm²]
ges
m = Mass (including workpiece carrier) [kg]
b = Width of workpiece carrier [m]
wt
l = Length workpiece carrier [m]
wt
d = Shift axis of rotation [m]
3 842 358 796/2015-01, MIT: HD 2/H, Bosch Rexroth AG
Technical data
60 80
[kgm²]
ges
40.0 45.0 50.0 55.0
6.67 7.07 7.45 7.82
53/56
57.6
8.02