Bosch rexroth MCL, Project Planning Manual

Page: 30 / 206

F
max
Maximum force
F
N
Continuous nominal force
F
N
* To avoid damaged winding in standstill operation, limit the cur‐
rent or the operation duration.
v
Fmax
Maximum velocity at maximum force
v
N
Nominal velocity
v
max
Maximum velocity
U
N
DC bus voltage 300 V
DC
① When using the motor in this operating range, observe informa‐
tion specified in chapter 9.23 .
Fig. 4-1: Example motor characteristic curve
For deviating connection or DC bus voltages, the specified char‐
acteristic curves can be converted – in linear form – according to
the existing voltages.
The maximal force F
max
is available up to speed v
Fmax
. There, the specified
voltage limit is reached due to the DC bus voltage. However, during increas‐
ing velocity, the induced voltage of the motor increases. This leads to a ve‐
locity-dependend reduced maximum force, as the motor control voltage will
be reduced due to the constant DC bus voltage.
The continuous nominal force F
N
is available up to nominal velocity v
N
.
The maximum velocity v
max
is the maximum reachable motor velocity at ap‐
propriate U
DC
up to approximately F
N
= 0 N.
The reachable motor data are significantly dependent from the
thermal coupling of the motor onto the machine (power loss dissi‐
pation) and from the used drive controller. The reference quantity
for details of technical data and the presentation of the motor
characteristic curves is an uncontrolled DC bus voltage of 300
V
DC
from MCP020 up to MCP070 or 48 V
DC
for MCP015.
You will find additional notes about thermal coupling under Chap‐
ter 9.22 .
Notes about standstill operation in Chapter 9.23 .
22/197
Technical data
MCL Ironless Linear Motors
Bosch Rexroth AG R911330592_Edition 06