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R911294980 (MHD115A-058-PG0-AA)

MHD Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

4 Minutes 59 Seconds

The Bosch Rexroth MPN R911294980 (MHD115A-058-PG0-AA) is a synchronous servo motor with digital servo feedback and an integrated multi-turn absolute encoder (>4096 revolutions). It delivers a theoretical maximum torque of 110 Nm and a continuous standstill torque of 32.0 Nm. The motor features a winding inductivity of 2.88 mH and a time constant of 60 minutes under natural convection cooling. Shaft design is plain with a shaft seal; there is no holding brake. The centering diameter is 180 mm, flange size is 192 mm, and the motor length corresponds to size A. Power is connected via an output connector on side A. Operational life expectancy for the bearings is 30,000 hours under ISO 281 and within specified load limits.

Technical Specifications

Overload Protection
Yes

Maximum Torque
110Nm

Holding Brake
No

Cabling
Yes, various designs

Hardware Modification
Not allowed

Approved Spare Parts and Accessories Use
Yes

Temperature Variation Resistance
No

Ground Wire Connection Check
Required before power is ON

Touching Electrical Connection Points
Prohibit when power is on

Power Connector Output Direction
A side

Winding Inductivity
2.88mH

Output Shaft
Plain

Time Constant
60 minutes (with natural convection cooling mode)

Maximum Setup Height
1000m above sea level

Torque to Inertia Mass Ratio
High Dynamics

Motor Bearing Service Life
30,000 operating hours (as per ISO 281)

Axial And Radial Load Limits
Must be within specified limit

Shipping
Done through reputed carriers.

What impact does natural convection cooling have on the motor’s installation environment?

The cooling method limits placement to areas with adequate airflow and ambient temperature control. The absence of forced ventilation reduces dust intake but may require spacing for heat dissipation.

How does a plain shaft affect mechanical coupling in servo motor applications?

The design allows direct connection to couplings or pulleys with low friction losses. The ensures smooth torque transfer but demands precise alignment during installation.

Why is absolute position detection over multiple revolutions important for servo accuracy?

The provides consistent reference even after power loss or movement interruption. The enhances repeatability and reduces homing time in automated processes.

What considerations are needed when mounting a motor with a 192 mm flange and 180 mm centering diameter?

The requires compatible mounting surfaces and precise machining for concentric alignment. The prevents mechanical stress and ensures balanced load distribution.

How does the digital servo feedback interface improve motion control precision?

The enables real time communication between the drive and the motor encoder. The results in faster correction cycles and smoother dynamic response.

MHD115A058PG0AA

MHD115A 058 PG0 AA

mhd115a-058-pg0-aa

Internal Product Review

The Rexroth Indramat MHD115A-058-PG0-AA servo motor operates with natural convection cooling and a plain shaft for smooth torque transmission. It is ideal for printing systems, automated inspection setups and continuous production drives demanding long-cycle accuracy featuring absolute position feedback exceeding 4096 revolutions

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD115A-058-PG0-AA.
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