4-2 MKD Type Code Synchronous Motors MKD
19.05.2004 Version7.0 DOK-MOTOR*-MKD*******-PR07-EN-P
1. Product Group
MKD Three-digit Rexroth-Indramat-specific designation of a servo
motors series.
2. Motor Frame Size
The motor frame size defines essential mechanical motor dimensions.
The following table assigns essential motor dimensions to the motor
frame sizes.
Description / detailsMotor
frame
size
Flange size
in mm
Centering diameter
in mm
025 54 40
041 82 50
071 115 95
090 140 110
112 192 130
Fig. 4-2: MKD motor frame sizes
3. Motor Frame Length
Within the scope of a motor frame size, the motor frame length defines
the various continuous torques at standstill. The continuous torques at
standstill of the MKD motors are listed in the table below. The values
specified are applicable to the “natural convection” mode.
Motor frame sizeMotor
frame
length
025 041 071 090 112
A 0.4 Nm 1.3 Nm 3.5 Nm -- 15.0 Nm
B 0.9 Nm 2.7 Nm 8.0 Nm 12.0 Nm 28.0 Nm
C--------38.0 Nm
D--------48.0 Nm
Fig. 4-3: MKD motor frame lengths
4. Winding Code
In connection with the motor frame size and motor frame length, the
winding codes define the electric motor output data for all Rexroth
Indramat motors.
The type code specifies all possible winding codes, which are available
for a motor frame size / length.
Motor frame size / length Available winding codes
MKD112B 024, 035, 048, 058
Fig. 4-4: Winding code example
Abbrev. column 1 2 3
Abbrev. column 4 5 6
Abbrev. column 7
Abbrev. column 9 10 11