MKD112D-027-KP0-BN

MKD Synchronous Motors

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The MKD112D-027-KP0-BN servo motor from Bosch Rexroth Indramat belongs to the MKD Synchronous Motors series. It features a shaft with keyway, resolver feedback with integrated encoder, absolute position detection over 4096 revolutions, and is brushless. With a continuous torque at standstill of 48.0 Nm, this synchronous three phase servo motor is maintenance-free. It operates in temperatures from -25 to 85 °C and uses radial or standard cooling.

Technical Specifications

Shaft Design
Shaft with keyway

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
48.0 Nm

Motor Length
D

Motor Size
112

Centering diameter
130 mm

Connection Direction
Side B

Product type
Servo Motor

Winding Code
027

Cooling
Radial or standard cooling

Maintenance
Maintenance-free

Motor Type
Synchronous, 3 phase servo motor

Brushless
Yes

Storage Temperature
-25 to 85 °C

Frequently Asked Questions

Why specify a keyed shaft and shaft seal on MKD112D-027-KP0-BN for torque transmission and environmental ingress control?

The keyway provides positive mechanical indexing and slip-resistant torque transfer to couplings or gearheads. Its shaft seal limits particulate and fluid ingress at the bearing journal for helping preserve IP protection and bearing life in contaminated production zones.

What control loop benefits arise from MKD112D-027-KP0-BN’s continuous standstill torque of 48.0 Nm?

Its high continuous stall capability allows stiff position and low-speed velocity control without thermal overrun in holding or creep moves. It improves contour fidelity for toolpaths and web handling under constant external load.

How do radial (forced-air) versus standard (natural) cooling modes influence thermal time constants and utilization?

Its natural convection increases thermal time constants and can limit continuous current, while forced-air reduces thermal resistance to shorten time constants and raising continuous torque/current before reaching temperature limits that is useful for duty cycles with sustained RMS loading.

What is the functional impact of IP65-class construction and side-B connector orientation on MKD112D-027-KP0-BN cabinet/mechanical layout?

The IP65 housing resists dust and low-pressure washdown to allow close-to-process mounting. Its side-B connection simplifies cable routing in vertical or horizontal builds to reduce bend stress and improve EMC compliance in dense machine frames.

How do centering diameter (130 mm) and flange sizing influence coupling accuracy and drivetrain dynamics on MKD112D-027-KP0-BN?

The 130 mm pilot registers the motor concentrically to the machine interface to minimize radial runout into couplings. Its flange geometry reduces misalignment-induced vibration and preserves resolver-derived commutation accuracy.

Common Misspellings

Internal Product Review

The MKD112D-027-KP0-BN is a brushless synchronous servo from Bosch Rexroth that is designed with keyed shaft. It uses resolver-integrated encoder to deliver absolute tracking beyond 4096 revolutions and it generates 48 Nm torque at standstill. Its maintenance-free build and radial/standard cooling tolerates −25 to 85 °C. This unit is typical deployed in machine tools, printing, packaging and automated handling.