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DOK-MOTOR*-ML3********-IT01-EN-P
ML3 Self-Cooled Linear Motors
Description of specified sizes
Designation
Maximum force at standstill
Maximum current at standstill
Maximum force
Continuous nominal force
Maximum current
Rated current
Maximum velocity with F
max
Nominal celocity
Force constant
Voltage constant at 20 °C
Winding resistance at 20°C
Winding inductivity
Power wire cross section
Pole width
Attractive Force
Unless otherwise specified, the values specified in the data sheets are r.m.s.
values according to DIN EN 60034-1. Reference value 540 V
age and 20 °C contact surface temperature.
Characteristics für primary parts ML3P...
Toler‐
Symbol
Unit
Description
ance
Maximum force at standstill current I
F
N
± 5 %
max,0
The temperature gradient is 10 K7s for I
Maximum standstill current at maximum standstill force F
I
A
max,0
The temperature gradient is 10 K7s at I
Maximum force at maximum current I
the drive control device used.
F
N
± 5 %
max
The temperature gradient is 6 K/s at I
Available continuous nominal force in operating mode S1 (contiuous oper‐
F
N
± 5 %
N
ation) at standstill
Maximum current (root-mean-square) of the motor at F
I
A
max
The temperature gradient is 6K/s at I
Phase current (effective value) of the motor at a nominal velocity and load
I
A
N
with continuous nominal force.
Maximum velocity at maximum force F
v
m/min
Fmax
on the DC bus voltage of the used drive control device.
Reachable nominal velocity at continuous nominal force F
v
m/min
N
reached depends on the DC bus voltage of the used drive control device.
Relation of force increase to increase of force-creating current. Valid up to
K
N/A
± 5 %
continuous nominal current I
iFN
Induced motor voltage (effective value) dependent on the feed rate re‐
K
Vs/m
± 5 %
EMF
garding the velocity 1m/s.
R
Ω
Measured winding resistance among two strands at 20 °C.
12
Measured winding inductivity between two strands. The defined measur‐
ing values are fluctuating due to boundary effects. This details are typical
L
mH
12
values, which are determined with a measuring current of 1 mA at a
measuring frequency of 1 kHz.
Necessary power wire cross-section rated for cable assemblies with cur‐
rent carrying capacity according to VDE0298-4 (1992) and installation
type B2 according to EN 60204-1 (1993) at 40°C ambient temperature.
The power wire cross section that is specified in the data sheets can vary
A
mm²
depending on the selected type of connection - plug or terminal box.
When selecting the appropriate power cable, please observe the specifi‐
cations in the ML3 project planning manual and the documentation of
Rexroth about connection cables, MNR R911322949 (EN).
Distance dimension of pole center to pole center of the magnets on the
T
mm
P
secondary part.
Maximum attractive force among primary and secondary part at nominal
F
N
ATT
air gap δ (= 5 mm) and currentless primary part.
Bosch Rexroth AG
DC bus volt‐
DC
.
max,0
.
max,0
max,0
.
max,0
. The reachable force depends on
max
.
max
.
max
.
max
. The velocity reached depends
max
. The velocity
N
.
N
61/103
Appendix
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