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R911299987 (MHD115A-024-PP1-AA)

MHD Synchronous Motors

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Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

3 Minutes 33 Seconds

The R911299987 (MHD115A-024-PP1-AA) is a synchronous AC servo motor designed for industrial automation applications, featuring a keyed shaft with shaft seal and a housing cooled via natural convection. It is equipped with digital servo feedback using a multiturn absolute encoder (>4096 revolutions) for precise position detection and speed control. The motor operates with a rated voltage of 309 V, achieves a continuous torque at standstill of 32.0 Nm, and provides rated torque of 14.9 Nm at 2000 RPM (60K, natural cooling). Its winding resistance is 0.66 ohms, winding inductivity 8.6 mH, and the holding brake offers 70 Nm torque. The unit has a centering diameter of 180 mm, flange size of 192 mm, and supports mounting/connection on side A. IP65 protection and a black painted surface maximize environmental resistance.

Technical Specifications

Product Type
Synchronous Motor

Servo Feedback
Digital

Integrate Encoder
Multiturn Absolute Encoder

Winding Resistance
0.66 Ohms

Operational Temperature
0 to +40 degrees Celsius

Winding Inductivity
8.6 mH

Installment Altitude
up to 1000 meters

Protective Coating
Black Paint

Protection Grade
IP65

Rated Torque
14.9 Nm

Rated Voltage
309 volts

Rated Speed
2000 revolutions per minute

Insulation Level
F

Cooling Type
Natural, Surface

Thermal Time Constant
30 or 60 minutes

Holding Brake Torque
70 Nm

Holding Brake Current
1.29 A

Holding Brake Weight
3.8 kilos

Holding Brake Connect Time
53 milliseconds

Holding Brake Disconnect Time
97 milliseconds

How does torque linearity affect servo motion accuracy?

The torque linearity ensures a proportional relationship between input current and mechanical output during control cycles. The consistent torque response enhances positional repeatability across varied dynamic load conditions.

Why is encoder resolution important for motion precision?

The encoder resolution defines how finely the control system interprets shaft rotation feedback. The higher count resolution minimizes error accumulation and supports smooth trajectory tracking during coordinated axis movements.

How does drive tuning influence overall system responsiveness?

The drive tuning parameters determine how quickly the control loop reacts to positional deviations. The optimized tuning settings improve stability while preventing overshoot or vibration under variable inertia conditions.

What role does motor inertia play in system integration?

The rotor inertia determines acceleration capability and mechanical resonance behavior during high-speed transitions. The correctly matched inertia ensures balanced energy transfer and prevents oscillation in servo-coupled systems.

How does temperature rise affect long-term performance?

The temperature rise within windings influences magnetic strength and insulation lifespan during continuous operation. The efficient thermal management maintains torque consistency and reduces component fatigue under repetitive duty cycles.

MHD115A024PP1AA

MHD115A 024 PP1 AA

mhd115a-024-pp1-aa

Internal Product Review

The Bosch Rexroth MHD115A-024-PP1-AA servo motor comes with a high-resolution digital feedback encoder and relative position detection for controlled movement. Its 115 motor size, sealed plain shaft, and natural convection cooling promote efficient performance. Commonly used in CNC milling, industrial printing, and automated sorting lines, it ensures smooth, repeatable motion accuracy.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD115A-024-PP1-AA.
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