MKD112C-024-KG0-BN

MKD Synchronous Motors

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The MKD112C-024-KG0-BN servo motor from Bosch Rexroth Indramat belongs to the MKD Synchronous Motors series. It features a plain shaft with seal, no holding brake, and resolver feedback with integrated encoder for absolute position detection beyond 4096 revs. It delivers 38 Nm continuous torque at standstill with a 3.5 Nm/A torque constant and spins up to 5000 RPM. Weighing 54 kg and cooled by natural convection, it operates in 0 to 45 °C ambient temperature.

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

Flange size
192 mm

Motor Size
112

Connection Type
Output connector

Product type
Servo Motor

Winding Code
024

Torque Constant
3.5 Nm/A

Ambient Temperature
0 to 45°C

Cooling Method
Natural Convection

Weight
54 kg

Maximum Speed
5000 RPM

Frequently Asked Questions

What are the electrical and thermal implications of the MKD112C-024-KG0-BN’s 3.5 Nm/A torque constant when sizing the drive current loop and DC bus?

The torque constant of 3.5 Nm/A implies about 10.9 A per 38 Nm at stall, with torque scaling linearly with phase current. Its higher current increases copper losses, so choosing a drive that accommodating peak current and thermal time constant is important to avoid derating.

How does the plain shaft with sealing ring on MKD112C-024-KG0-BN influence coupling selection and ingress protection when integrated into IP-rated machinery?

The plain-shaft option with shaft seal aids contaminant exclusion and with IP65 housing to resist dust ingress and low-pressure water jets.

What effect does resolver-based feedback have on bandwidth, phase margin, and quantization relative to incremental encoders in MKD112-series drives?

The resolver produce continuous sine/cosine signals with strong noise immunity. It is when digitized, they enable tight velocity loops and multi-turn absolute variants. Compared with incremental encoders, the absolute resolver systems retain position across power cycles and reduce startup routines.

How do the MKD112 frame’s 192 mm flange and mass distribution influence structural compliance, mount stiffness, and servo tuning on precision machinery?

The MKD112 frame corresponds to a 192 mm flange to provide a wide bolt circle for stiff interfaces that reduce phase lag. It requires mounts with high bending rigidity and short load paths to support aggressive control gains.

For naturally convected cooling, what installation constraints govern continuous torque delivery on the MKD112C-024-KG0-BN in enclosures and at altitude?

The assumption of natural convection without a blower needs to specify ambient limits and a typical 1000 m setup height, exceeding these results in derating. It requires free airflow to avoid recirculation in cabinets and thermal time constant is important during duty-cycle planning.

Common Misspellings

Internal Product Review

The Bosch Rexroth’s MKD112C-024-KG0-BN servo motor delivers 38 Nm torque at standstill and offers a 3.5 Nm/A constant torque value. Its sealed plain shaft and resolver/absolute encoder support precise multi-turn positioning. It relies on natural-convection cooling to operates in the range of 0 – 45 °C. Its typical deployments span machine tools, printing, packaging and food automation systems.