MKD025B-144-KG1-KN Bosch Rexroth Indramat
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MPN: R911267373
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The Bosch Rexroth Indramat MKD025B-144-KG1-KN is a servo motor from the MKD Synchronous Motors series with a plain shaft and shaft seal. It features a flange size of 54 mm, centering diameter of 40 mm, and comes with resolver feedback and integrated encoder for absolute position detection over more than 4096 revolutions. This motor delivers a continuous torque at standstill of 0.9 Nm and holding brake torque of 1 Nm.
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Product Description:
The MKD025B-144-KG1-KN is a servo motor manufactured by Bosch Rexroth Indramat within the MKD Synchronous Motors series. It serves as the rotary element in compact automation stages where a drive controller requires consistent torque and position accuracy for feeders, laboratory axes, or light pick-and-place mechanisms. By closing the control loop through integrated feedback, the unit translates commanded current into precise shaft motion while maintaining dimensional compatibility with other MKD series components. Its compact construction also suits installations where moving mass and available mounting space must remain low. This helps the motor fit small handling equipment without a large mechanical envelope.
A concentric pilot of 40 mm aligns the housing to the machine frame, and the square mounting interface follows a 54 mm flange pattern for straightforward assembly. During stationary operation, the motor can develop 0.9 Nm of continuous torque, allowing it to support modest loads without overheating. All power and feedback leads exit on Side B, and the preinstalled connection box provides strain-relieved terminations that keep wiring inside the machine envelope. Internal lubrication protects the plain shaft, while a shaft seal helps keep dust or coolant away from the bearing system. Size code 025 and length code B indicate the active lamination stack used in this motor format.
The integrated brake supplies 1 Nm of torque so the axis can remain fixed when the drive is disabled. Rotor position is monitored through resolver feedback combined with an electronic multiplier that enables absolute (>4096 revs) position reporting to the controller, which removes the need for a homing routine after power cycles. The winding set 144 gives the drive a fixed current-to-torque relationship during operation and supports stable response in light-duty positioning tasks. Because the shaft seal is present, the motor can be used in mildly contaminated environments without additional covers, and the plain shaft design allows direct coupling to precision gearheads or belt pulleys. That combination also supports repeatable starts and stops during repeated short-stroke cycles.
Frequently Asked Questions about MKD025B-144-KG1-KN:
Q: What type of encoder does the MKD025B-144-KG1-KN use?
A: The MKD025B-144-KG1-KN includes resolver feedback with an integrated encoder for position detection.
Q: What kind of shaft and seal does the MKD025B-144-KG1-KN have?
A: This model features a plain shaft with a shaft seal for added protection against contaminants.
Q: What is the continuous torque at standstill of the MKD025B-144-KG1-KN?
A: The continuous torque at standstill for this servo motor is 0.9 Nm.
Q: What is the connection direction and type for the MKD025B-144-KG1-KN?
A: Connection is accomplished via a connection box located in the Side B direction.
Q: What is the holding brake torque of the MKD025B-144-KG1-KN?
A: The holding brake on this model provides a torque of 1 Nm.
