2-40
Engineering Guide CDA3000
2 Drive definition
Typical max. acceleration times of asynchronous servomotors
Example: Equations for reduction via a gearbox
Calculation of mass moments of inertia - See section A.2.8.
ASx Size
Length
Installation
window [mm]
Accelera-
tion torque
[Nm]
Power
class [kW]
Idle accele-
ration time
[ms]
I
red
=0
Acceleration
time
[ms]
I
red
=IM
11 to 15
110x110 3,25 to 11.75 0.4 to 1.5
14 to 12
28 to 24
21 to 25
140x140
8.75 to 32.5
1.1 to 2.7
20 to 19
40 to 38
31 to 34
190x190
32.5 to 87.5
2.1 to 5.5
34 to 38
68 to 76
41 to 43
260x260
100 to 175
6.3 to 11
71 to 87
142 to 174
Precondition:
Acceleration from 0 to 1500 rpm
at 2.5 times nominal torque and idle (I
red
=0)
Table 2.9
Idle acceleration time