R911288028 (MDD115D-N-020-N2L-130GB2)
MDD Synchronous Motors
Technical Specifications
Type
Digital AC Servo Motor
Suited Applications
Dynamic Applications
Available Torque Ratings
28 to 57 Nm
Motor Speeds
1500 to 3000 RPM
Frame Size
115
Frame Length
D
Cooling Method
Natural Convection/Surface Cooling
Nominal Speed
2000 RPM
Continuous Torque at Standstill
57 Nm
Continuous Current at Standstill
77 Amps
Maximum Theoretical Torque
177.2 Nm
Rotor Moment of Inertia
0.00271 kg m2
Torque Constant at 20C
0.74 Nm/A
Winding Resistance at 20C
0.06 Ohms
Winding Inductance
1 millihenry
Motor Thermal Time Constant
90 minutes
Shipping Weight
60 kilograms
Blocking Brake Holding Torque
60 Nm
Blocking Brake Weight
3.5 kilograms
Blocking Brake Voltage Rating
24 volts DC
Blocking Brake Nominal Current
1.5 Amps
Clamping Delay
30 milliseconds
Release Delay
150 milliseconds
Shaft Type
Plain
Servo Feedback Type
Digital
Power Connection Direction
Side B
Centering Diameter
130 millimeters
Frequently Asked Questions
What role does the 60 Nm blocking brake play on MDD115D-N-020-N2L-130GB2 during power-off states?
The integrated brake mechanically holds the axis to prevent drift or back-drive when power is removed for preserving registration. It’s vital for vertical axes or web handling where product alignment and safety interlocks must be maintained.
How does the digital servo feedback (DSF) in MDD115D-N-020-N2L-130GB2 improve closed-loop accuracy?
The DSF continually reports rotor position/velocity to the controller for enabling tight position and speed regulation with low following error. It yields smooth trajectory execution in packaging and print lines while maintaining stable torque at low speeds.
How does the 57 Nm continuous standstill torque on MDD115D-N-020-N2L-130GB2 affect sizing?
It allows the axis to hold substantial load without overheating while stationary, important for dwell-heavy cycles. Its engineers can choose smaller gear reductions while still meeting holding/settling requirements on intermittent motion profiles.
What installation benefits come from the Side-B connector orientation on MDD115D-N-020-N2L-130GB2?
The routing cables to Side-B can reduce bend radii conflicts in tight enclosures and segregate power/feedback away from tooling. Sits sandardized connectors also simplify drop-in replacement across MDD115D variants.
Does the MDD115D-N-020-N2L-130GB2 support harsh-environment use, and what precautions apply?
The MDD115D variants are commonly offered with IP65-class housings and corrosion-resistant finishes, it is important to verify exact option codes per unit and maintain shaft seal integrity to preserve enclosure rating.
Common Misspellings
MDD115DN020N2L130GB2
MDD115D N 020 N2L 130GB2
mdd115d-n-020-n2l-130gb2
Internal Product Review
Bosch Rexroth produces MDD115D-N-020-N2L-130GB2 synchronous servo motor that integrates digital servo feedback, 130 mm centering and a 57 Nm standstill rating with a 60 Nm brake. It possesses standard housing and a plain sealed shaft design. This motor offers side-B connector for streamlining installation. It is widely used in packaging, printing, and textile automation where precise 2000 min⁻¹ speed motion control in needed.
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Repair
We offer a repair service for the MDD115D-N-020-N2L-130GB2.
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