MKD112D-027-KP3-AN
MKD Synchronous Motors
The MKD112D-027-KP3-AN is a synchronous servo motor manufactured by Bosch Rexroth Indramat, part of the MKD Synchronous Motors series. It delivers a continuous torque at standstill of 48.0 Nm and a holding brake torque of 70 Nm, features resolver feedback with integrated encoder for absolute position detection (>4096 revs), IP 65 protection, natural convectional cooling, and a shaft with keyway design.
Technical Specifications
Shaft Design
Shaft with keyway
Shaft Seal
Yes
Holding Brake
With holding brake
Holding Brake Torque
70 Nm
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 Type
Output connector
Product type
Servo Motor
Winding Code
027
Motor Type
Synchronous
Protection Category
IP 65
Motor Series
MKD series
Cooling Method
Natural convectional cooling
Thermal Time Constant
40 min
Frequently Asked Questions
How do IP65 protection and the shaft-seal/keyway combination on MKD112D-027-KP3-AN affect operation in packaging/printing environments?
The IP65 rating and sealed shaft interfaces mitigate dust and wash-down splashes to maintain encoder integrity and bearing life under contamination. Its features align with typical packaging, printing and food-handling duty conditions specified for MKD-series deployments.
What engineering implications arise from the 70 Nm holding-brake torque on MKD112D-027-KP3-AN for vertical axes and E-stop cases?
Its brake sizing must exceed static loads plus safety margin to prevent back-driving on Z-axes during controlled or emergency stops. Its 70 Nm brake supports secure holding when coordinated with the drive’s stop strategy and mechanical transmission ratios.
How should the 48.0 Nm continuous torque at standstill of MKD112D-027-KP3-AN inform sizing for static friction and low-speed contouring?
This continuous torque covers static process loads and control reserve during creep feeds or dwell for limiting thermal rise at zero speed. It’s suitable for machine-tool and food-automation axes needing steady holding plus precise low-speed regulation.
What role do the 130 mm centering diameter and frame-112, length-D geometry play in mounting precision for MKD112D-027-KP3-AN?
The centering pilot controls runout and concentricity for reducing coupling misalignment and bearing load. Its frame/length geometry influences rotor inertia and thermal surface area taht affects servo tuning and steady-state temperature under rated load.
How does the 40-minute thermal time constant affect duty-cycling strategies for repetitive indexing on MKD112D-027-KP3-AN?
Its long constant means temperature evolves slowly to permit transient overloads without immediate steady-state rise. Its schedulers can interleave dwell intervals so copper and iron losses average below continuous limits over multiple cycles.
Common Misspellings
MKD 112D-027-KP3-AN
MKD-112D-027-KP3-AN
MKD112D-O27-KP3-AN
MKD112D027KP3AN
MKD112D 027 KP3 AN
mkd112d-027-kp3-an
Internal Product Review
The Rexroth Indramat’s MKD112D-027-KP3-AN synchronous servo motor pairs a keyed shaft and IP65 sealing with natural-convection cooling. It is equipped with resolver feedback with integrated multiturn absolute encoder to support precise restart. This motor delivers 48 Nm of stationary torque and it comes with a 70 Nm brake torque. It suits packaging, printing, machine-tool and food-automation axes systems.
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