MKD112C-024-KG0-AN

MKD Synchronous Motors

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The MKD112C-024-KG0-AN servo motor from Bosch Rexroth Indramat’s MKD Synchronous Motors series is a 3-phase unit with winding code 024. It delivers 38 Nm continuous torque at standstill, 128 Nm peak torque and 6.9 kW rated power with a voltage constant of 0.545 V/min^-1. It features resolver feedback with integrated encoder and absolute position detection over 4096 revolutions plus an inertia of 0.024 kgm^2. The plain shaft design lacks a holding brake and mounts on a 192 mm flange via output connector.

Technical Specifications

Shaft Design
Plain shaft

Shaft Seal
Yes

Holding Brake
Without holding brake

Other Designs
None

Encoder Type
Resolver feedback w/ integrated encoder

Position Detection
Absolute (>4096 revs)

Continuous Torque at Standstill
38.0 Nm

Motor Length
C

Motor Size
112

Flange size
192 mm

Connection Type
Output connector

Product type
Servo Motor

Winding Code
024

Inertia
0.024 kgm^2

Voltage Constant
0.545 V/min^-1

Phase
3-phase

Rated Power
6.9 kW

Peak Torque
128 Nm

Frequently Asked Questions

How does the resolver with integrated encoder provide absolute position detection over >4096 revolutions on MKD112C-024-KG0-AN?

A multiturn mechanism counts revolutions while the resolver supplies sine/cosine for commutation and fine angle. It reconstructs absolute position after power-up without homing to support tight servo loops in multi-axis machines.

How does the 192 mm flange and output-connector orientation aid drop-in replacements of Diax04/EcoDrive installations using MKD112C-024-KG0-AN?

The 192 mm face pattern preserves mechanical datum and coupling geometry. Its plug-in power/feedback cabling simplifies routing for easing retrofit without bracket or harness rework.

Why is a voltage constant KE = 0.545 V·min⁻¹ material when pairing MKD112C-024-KG0-AN with a drive and DC bus?

The back-EMF rises with speed (E ≈ KE·n) to ensure margin between generated EMF and DC-bus limit under field-weakening. It determines maximum speed under load and the regenerative handling requirements during decel.

What inertia-matching practices apply when the specified rotor/load inertia for MKD112C-024-KG0-AN is on the order of 0.024 kg·m²?

The targeted total load-to-motor inertia ratios is near 1:1–5:1 for responsive bandwidth. It employs compliant couplings and torsional analysis to avoid resonances. Tuning the notch/observer filters is required after mechanical integration to stabilize high-gain loops.

What environmental/thermal classes apply, and how do they shape cabinet cooling and sealing strategy?

The MKD112C series lists IP65 and insulation class F that indicates dust-tight/water-jet protection with 155 °C thermal class. It needs airflow or sealed cabinet conditioning to maintain ambient temperature within the 0–40 °C operating band.

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Internal Product Review

The Bosch Rexroth Indramat designs the AC motor MKD112C-024-KG0-AN with built-in resolver-based multiturn feedback that offers 4096 revolutions. It has a 192-mm flange and plain shaft. Its winding delivers 38 Nm torque at standstill and 128 Nm peak, while utilizes 6.9 kW of rated power. It suits machine tools, packaging lines and printing modules that needs precise 3-phase servo axes.