MHD093A-058-NG0-BA Bosch Rexroth Indramat
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MPN: R911295776
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The Bosch Rexroth Indramat MHD093A-058-NG0-BA is a servo motor from the MHD Synchronous Motors series. It features a continuous torque at standstill of 12.0 Nm, a plain shaft with shaft seal, and digital servo feedback for relative position detection. The motor uses natural convection cooling, has a centering diameter of 130 mm, and comes without a holding brake.
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Product Description:
The MHD093A-058-NG0-BA is a servo motor built by Bosch Rexroth Indramat within the MHD Synchronous Motors series. As an AC permanent-magnet actuator, it converts electrical drive commands into precise mechanical rotation for positioning axes, indexing tables, and tool spindles in factory automation cells. This model is supplied without a holding brake, so motion retention during power-off must be handled by external means. When connected to a compatible drive, the motor supports closed-loop motion tasks that require repeatable speed control and accurate shaft positioning during normal machine operation.
During installation, the motor seats into a machine frame through its 130 mm centering diameter, which helps align the flange with the driven load. Under continuous stall conditions, it can deliver 12.0 Nm of torque, which indicates the continuous torque available at zero speed within thermal limits. Rotor position is reported by a Digital servo feedback (HSF) encoder, allowing the control system to regulate position and velocity with fast feedback updates. Heat generated in the stator is removed by natural convection, so no external fan or liquid circuit is required. The mounting interface uses a 140 / 150 mm square flange pattern that fits standardized machine interfaces and supports secure face mounting.
Power conductors connect through an output connector located on side B, which can simplify cable routing when nearby components limit access around the motor. Mechanical power is transmitted through a plain shaft, making the motor suitable for couplings or pulleys that rely on clamping rather than keyed engagement. A dedicated shaft seal helps block coolant splash and fine dust from entering the bearing chamber during operation. Winding code 058 identifies the electrical winding used for this motor version and supports matching with a compatible drive. The feedback system uses relative position detection, so the axis requires a homing routine after each power cycle before absolute machine position is available.
Frequently Asked Questions about MHD093A-058-NG0-BA:
Q: What is the centering diameter of the MHD093A-058-NG0-BA servo motor?
A: The MHD093A-058-NG0-BA features a centering diameter of 130 mm for mounting and alignment purposes.
Q: Does the MHD093A-058-NG0-BA motor come equipped with a holding brake?
A: This model is designed without a holding brake included.
Q: What type of encoder is included with the MHD093A-058-NG0-BA motor?
A: The encoder type used is digital servo feedback (HSF), supporting relative position detection.
Q: What cooling method does the MHD093A-058-NG0-BA servo motor utilize?
A: It is cooled by natural convection without the need for forced ventilation or fans.
Q: What flange size does the MHD093A-058-NG0-BA support?
A: The flange size for this motor is specified as 140 / 150 mm, allowing compatibility with standard mounting setups.
