REXROTH MKD090B-047-KG1-KN Servo Motor

Description

In industrial automation setups where exact positioning and torque delivery define operational success, the Bosch Rexroth MKD090B-047-KG1-KN delivers a focused answer to engineers dealing with inconsistent motion in dynamic applications. Envision a CNC machining center where axis drift under load causes scrap rates to climb, or a robotic arm in assembly where speed variations lead to misalignment—these frustrations stem from motors that can’t sustain precise feedback amid real-world stresses. This synchronous servo motor counters that by providing robust, resolver-based position tracking that locks in accuracy, even as loads shift or temperatures fluctuate, ensuring your process control loops stay tight and responsive.

It shines in scenarios like high-volume manufacturing or material transfer systems, where the demand for high reliability in I/O signal feedback from encoders prevents costly rework. The Bosch Rexroth MKD090B-047-KG1-KN steps in to bolster system stability, with its natural convection cooling keeping thermal buildup in check during prolonged runs, so you avoid the pitfalls of forced-air dependencies in cleanroom or dusty environments. For those retrofitting older drives, it eases modular integration by matching standard EcoDrive controllers, cutting down on custom adaptations and letting you prioritize throughput over tweaks. In process control landscapes pushing for continuous uptime, this motor’s design minimizes vibration-induced errors, fostering a more predictable automation flow that scales with your production goals without introducing new failure modes.

When evaluating servo options for demanding I/O architectures, the Bosch Rexroth MKD090B-047-KG1-KN stands out for its balance of power and precision, helping teams achieve the signal reliability needed to maintain efficiency in fast-paced industrial automation environments.

The Bosch Rexroth MKD090B-047-KG1-KN serves as a brushless AC synchronous servo motor in the MKD series, anchoring the actuator layer of your motion control stack. It converts electrical commands from compatible drive controllers—like the DKC series—into mechanical output via permanent magnet rotor excitation, delivering controlled torque and velocity through closed-loop feedback from its integrated resolver and multiturn absolute encoder. This encoder setup provides high-resolution position data (up to 32768 turns) back to the controller, enabling precise synchronization in multi-axis configurations without external sensors.

Typically mounted on a flange within a machine frame, it interfaces via a plain shaft with sealing ring for contaminant resistance, connecting to the drive over standard power and feedback cabling. In a full system, it draws from a shared DC bus for energy efficiency, supporting regenerative operation during deceleration to recycle power across axes. Diagnostics embedded in the resolver allow for real-time monitoring of temperature and winding integrity, integrating with PROFIBUS or SERCOS protocols for seamless data flow to PLCs or HMIs. Positioned downstream from the controller but upstream of the load, the Bosch Rexroth MKD090B-047-KG1-KN ensures that high-level process directives translate into fluid, repeatable movements, while its IP65 enclosure shields against ingress in the I/O architecture, promoting fault-tolerant designs that adapt to evolving automation needs.

Selecting the Bosch Rexroth MKD090B-047-KG1-KN arms your operations with a motor crafted for unwavering torque delivery in variable conditions, where it holds steady at 12 Nm continuously, sidestepping the performance dips that force frequent recalibrations and erode confidence in cycle times. This consistency proves invaluable in setups chasing micron-level accuracy, as the resolver’s robust feedback cuts positioning errors, streamlining workflows and trimming scrap without added complexity.

Maintenance gains a clear edge too, thanks to its brushless construction and sealed bearings that demand little beyond periodic checks, slashing intervention time and letting technicians redirect efforts to higher-value diagnostics. Engineered for straightforward pairing with existing backplanes, it lightens the engineering load during expansions—simple parameter alignment via drive software means quicker deployments and fewer integration snags, preserving momentum in your automation roadmap.

Ultimately, this motor fosters long-term performance by resisting environmental wear, ensuring your investment translates to sustained uptime and adaptable control that evolves with process refinements.

In woodworking machinery for furniture production, the Bosch Rexroth MKD090B-047-KG1-KN powers spindle and feed axes, where its high reliability under dusty, vibration-heavy conditions maintains cut precision during extended shifts, upholding critical system uptime in batch runs.

Textile processing lines leverage it for synchronized winding operations, handling fast data cycles from encoders to prevent fabric tears in humid, high-speed environments that test motor endurance.

For semiconductor handling in cleanrooms, this servo motor drives pick-and-place robots, meeting needs for ultra-precise positioning and continuous operation amid strict contamination controls, enhancing throughput in process control environments.

MKD090B-047-KP1-KN – Surface-cooled variant with built-in fan for higher power output up to 6.4 kW in heat-intensive tasks.

MKD090B-047-KG0-KN – Similar spec but with standard resolver feedback for basic position control in cost-sensitive setups.

MKD090B-047-KP0-KS – Holding brake edition for vertical axis applications requiring secure stops during power loss. MKD071B-047-KG1-KN – Smaller frame size alternative at 7 Nm torque for compact machinery with space constraints. MKD111B-047-PG1-KN – Larger 11 Nm model for heavier loads in multi-axis gantry systems.

MKD090B-047-GP0-KN – Gearhead-integrated version for direct torque multiplication in low-speed, high-force scenarios.

MKD090B-047-KG1-KS – Shaft-sealed brake model enhancing protection in washdown-prone areas.

When preparing to deploy the Bosch Rexroth MKD090B-047-KG1-KN, start by matching the motor’s 140 mm flange to your mount’s bolt pattern and ensuring shaft alignment tolerances stay within 0.05 mm to prevent early bearing stress. Confirm drive compatibility—pairing with DKC03 or later series avoids feedback mismatches—and verify ambient conditions won’t exceed 40°C, adding baffles if needed for airflow in enclosed cabinets. Cable routing matters too; use shielded lines for encoder signals to curb electromagnetic interference in noisy shop floors.

Ongoing care keeps it running lean: inspect shaft seals quarterly for wear, especially in particulate-laden air, and clean the surface with a dry cloth to preserve convection cooling paths. Leverage the drive’s diagnostic interface to poll temperature and vibration logs bi-monthly, catching imbalances before they amplify. An annual no-load spin test checks for unusual noise or drag, and while firmware updates are drive-side, syncing them maintains optimal encoder resolution. This measured routine supports reliable service life without pulling lines offline unnecessarily.