Rexroth R911316908 MSK070E-0300-NN-M1-UG0-NNNN

Rexroth R911316908 MSK070E-0300-NN-M1-UG0-NNNN

Product Overview
The Bosch Rexroth R911316908 MSK070E-0300-NN-M1-UG0-NNNN is a synchronous servo motor from the MSK series. The MSK070 frame size provides higher torque output than the MSK040 series and is designed for medium to high-performance motion control applications. It is typically used with Bosch Rexroth IndraDrive drive systems in automation, machine tools, and industrial drive applications.

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Description

Rexroth R911316908 MSK070E-0300-NN-M1-UG0-NNNN

Technical Specifications

  • Brand: Bosch Rexroth
  • Material Number: R911316908
  • Motor Series: MSK synchronous servo motor
  • Frame Size: MSK070E
  • Speed Code: 0300
  • Connection Type: NN
  • Motor Variant: M1
  • Encoder/Feedback Variant: UG0
  • Additional Options: NNNN
  • Motor Type: Three-phase synchronous servo motor
  • Cooling: Natural convection or forced ventilation depending on installation
  • Insulation Class: Designed for industrial servo drive applications
  • Encoder: Integrated encoder system as defined by UG0 variant
  • Drive Compatibility: Bosch Rexroth IndraDrive drive systems
  • Frame Size Characteristics: MSK070 series provides higher torque than MSK040 and MSK050
  • Speed Rating: 0300 indicates a lower maximum speed variant optimized for higher torque
  • Torque Output: Higher standstill and maximum torque than MSK040 and MSK050 frames
  • Rotor Inertia: Higher than MSK040 and MSK050 frames, suitable for medium inertia loads

Functional Features

  • High-torque synchronous servo motor design.
  • MSK070 frame size for medium to high power applications.
  • Integrated encoder for precise position and speed feedback.
  • Compatible with IndraDrive digital servo drive systems.
  • Suitable for position, speed, and torque control.
  • High overload capability for dynamic motion profiles.
  • Low torque ripple for smooth motion.
  • Robust construction for continuous industrial operation.
  • Designed for direct integration into automated machinery.
  • Supports high-precision positioning tasks.

Application Scenarios

  • CNC machine tool main axes and feed axes.
  • Industrial robot joints.
  • Heavy-duty handling systems.
  • Press and forming machines.
  • Winding and unwinding systems.
  • Printing machinery.
  • Packaging lines with high inertia loads.
  • Test benches requiring precise torque control.
  • Material processing equipment.
  • Automated assembly systems.

Performance Parameters

  • MSK070 frame size with higher torque capacity than MSK040 and MSK050.
  • 0300 speed code indicating a torque-optimized design.
  • High standstill torque for holding and low-speed operation.
  • High maximum torque for dynamic acceleration.
  • Integrated encoder feedback for closed-loop control.
  • Compatible with IndraDrive position, speed, and torque control modes.
  • Exact standstill torque, maximum torque, current ratings, and rotor inertia must be confirmed from the official MSK motor documentation for the MSK070E-0300 variant.

Material Composition

  • Aluminum motor housing for structural rigidity and heat dissipation.
  • Laminated steel stator core.
  • Permanent magnet rotor assembly.
  • Copper winding conductors.
  • Precision industrial bearings.
  • Integrated encoder assembly.
  • Industrial-grade power and feedback connectors.
  • Sealing elements for environmental protection.

Structural Features

  • Larger MSK070 frame size compared to MSK040 and MSK050.
  • Flange mounting interface for rigid mechanical installation.
  • Output shaft designed for coupling or gearbox connection.
  • Integrated encoder housing.
  • Power cable and feedback cable connections.
  • Nameplate with material number, serial number, and electrical ratings.
  • Robust housing suitable for industrial environments.
  • Compact design relative to torque output.

Working Principle
The MSK070E synchronous servo motor operates as a permanent magnet synchronous machine controlled by an IndraDrive drive system. Three-phase current supplied to the stator windings creates a rotating magnetic field that interacts with the permanent magnet rotor to produce torque. The integrated encoder provides continuous position and speed feedback to the drive controller. The drive system adjusts current magnitude and phase to achieve the required torque, speed, or position. The MSK070E-0300 variant is optimized for applications requiring higher torque at moderate speeds, making it suitable for driving medium to high inertia loads with precise control.

Installation Requirements

  • Mount the motor using the designated flange and fasteners.
  • Ensure precise shaft alignment with the driven load.
  • Use a suitable coupling or gearbox matched to the motor specifications.
  • Connect the power cable to the compatible IndraDrive drive unit.
  • Connect the encoder feedback cable to the drive controller.
  • Route cables to avoid bending stress and mechanical damage.
  • Parameterize the drive system for the exact motor material number.
  • Configure the encoder interface according to the UG0 variant.
  • Ensure adequate ventilation and cooling around the motor.
  • Verify rotation direction during initial startup.
  • Perform torque and position calibration during commissioning.

Precautions for Use

  • Do not exceed the rated speed, torque, or current limits.
  • Ensure the drive system is correctly configured for this motor type.
  • Do not apply excessive radial or axial loads to the motor shaft.
  • Protect power and feedback cables from oil, coolant, and abrasion.
  • Do not open the motor or encoder housing.
  • Verify EMC-compliant cable shielding and grounding.
  • Allow sufficient cooling time before maintenance activities.
  • Use only approved Rexroth cables and accessories.
  • Confirm exact performance data from the official MSK motor documentation before final application design.
  • Refer to the Bosch Rexroth MSK project planning manual and IndraDrive documentation for complete installation and commissioning instructions.

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