6 Type Codes
6.1 Description
General
Each order of a product by Rexroth must be based on the type code. All avail‐
able motor variants are uniquely described by their type code. The individual
characters of the type code (abbrev. column) and their meaning are described
below.
● The chapter "Application notes" includes detailed explana‐
tions for the separate options.
● Before ordering, please check the availability of the separate
options with your Bosch Rexroth sales partner.
Product group
MKE, Rexroth designation for servomotors that are suited for the use in poten‐
tially explosive areas.
Motor frame size
The motor frame size determines important mechanical motor specifications
and is proportional to the performance variables.
Motor frame length
Within a series, the graduation of increasing motor frame length is indicated in
alphabetic order.
Winding code
In connection with the motor frame size and motor frame length, the winding
codes define the electric motor output data for all Bosch Rexroth motors.
Motor encoder
MKE motors are equipped with encoder systems. For the regulation of the mo‐
tor speed or the positioning of the motor, the drive control device must know
the current motor position. The integrated encoder system provides the drive
control device with corresponding signals.
The following options are available:
Fig.6-1: MKE motor encoder
Output shaft
To connect the machine elements to be driven to the motor drive shafts, the
following variants are available for MKE motors.
Option Version Detail
G Plain shaft With frontal centering hole with "DS" thread
according to DIN 332, Part 2, Edition 05.83
P
Shaft with keyway
1)
1)
Keyway according to DIN 6885, Sheet 1, ed. 08.68. For details, refer to the motor
rating sheet!
Fig.6-2: MKE output shafts
MKE motors are balanced with the featherkey. The related key is
not included in the scope of delivery.
Project Planning Manual | Rexroth MKE Synchronous Motors Electric Drives
and Controls
| Bosch Rexroth AG 51/131
Type Codes
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