MHD093C-058-NG0-AN Bosch Rexroth Indramat
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MPN: R911277851
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The Bosch Rexroth Indramat MHD093C-058-NG0-AN is a servo motor from the MHD Synchronous Motors series with a liquid cooling housing and a centering diameter of 130 mm. It provides a continuous torque at standstill of 23.0 Nm and uses digital servo feedback for encoder type. The motor features a plain shaft with a shaft seal and does not include a holding brake.
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Product Description:
Bosch Rexroth Indramat’s MHD093C-058-NG0-AN belongs to the MHD Synchronous Motors series and functions as an AC servo motor for positioning and velocity control in automated machinery. In closed-loop operation, it converts commanded current into controlled shaft motion for feed axes, transfer units, and other automated assemblies. The motor combines a 093 frame with length code C and is supplied without an integrated brake, making it suitable for drives where external holding or regenerative torque maintains the axis when power is removed. Electrical energy is fed through an output connector oriented toward side A, which can simplify cable routing along linear axes.
At the mechanical interface, the centering pilot measures 130 mm, providing concentric alignment between the flange and the driven load. The dual mounting pattern of 140/150 mm matches common IEC layouts for straightforward installation. This mounting geometry supports accurate face alignment on machine structures that use standard flange spacing. Continuous torque at standstill reaches 23.0 Nm, which is the sustained twisting force the stator can produce while the rotor is locked and the windings stay within their thermal limit. Thermal energy is removed through liquid cooling, which circulates coolant around the housing and supports high torque density in confined cabinets. Rotor position is returned to the controller by digital servo feedback (HSF), enabling fine commutation and real-time correction during dynamic moves.
A plain shaft accepts couplings or pulleys without the constraints of a keyed interface, while the shaft seal helps prevent coolant or lubricants from entering the bearing cavity during washdown or coolant-rich machining. Because the shaft is plain rather than keyed, torque transmission depends on the selected external clamping or hub element. The motor employs relative position detection, so homing is required after each power cycle even though the high-speed feedback still supports low following error once the axis is indexed. Winding code 058 identifies the resistance and inductance profile used by compatible drives to calculate current vectors for the liquid-cooled stator. This arrangement suits motion systems that need accurate feedback, sealed shaft protection, and direct coupling flexibility.
Frequently Asked Questions about MHD093C-058-NG0-AN:
Q: What type of shaft and sealing does the MHD093C-058-NG0-AN motor have?
A: The MHD093C-058-NG0-AN motor is equipped with a plain shaft and includes a shaft seal for added protection against contaminants.
Q: What encoder type and position detection does the MHD093C-058-NG0-AN motor use?
A: This motor utilizes digital servo feedback (HSF) for position detection with relative positioning capability.
Q: What is the continuous standstill torque of the MHD093C-058-NG0-AN motor?
A: The MHD093C-058-NG0-AN has a continuous torque at standstill of 23.0 Nm, accommodating demanding stationary applications.
Q: Is a holding brake included with the MHD093C-058-NG0-AN motor?
A: This model does not include a holding brake, so it cannot hold position when unpowered without external braking components.
Q: What type of housing cooling does the MHD093C-058-NG0-AN feature?
A: The housing of the MHD093C-058-NG0-AN is designed for liquid cooling, providing effective thermal management during operation.
