R911318719 (MHD112C-035-NG3-LN)
MHD Synchronous Motors
Technical Specifications
Product Line
Bosch Rexroth MHD
Type
Digital Servo Motor
Shaft Type
Plain with sealing ring
Holding Brake Power
70 Nm
Power Cable Connector
Left side of the motor housing
Feedback Type
Digital Servo
Cooling Type
Natural Convection/Surface Cooling
Mounting
Flange
Flange Size
192 mm
Rated Motor Speed (60K overtemperature)
2500 RPM
Rated Torque (60K overtemperature)
15.8 Nm
Rated Current (60K overtemperature)
9.1 Amps
Rated Power Output (60K overtemperature)
.7 kW
Rated Voltage (60K overtemperature)
303 Volts
Rated Frequency (60K overtemperature)
167 Hz
Moment of Inertia
0.0273 kg m2
Maximum Theoretical Torque
148 Nm
Housing seal IP rating
IP65
Paint Color
Matte Black RAL 9005.
Frequently Asked Questions
What positioning feedback does the MHD112C-035-NG3-LN use, and how does it influence servo loop tuning?
It uses digital servo feedback (HSF) with relative position detection for enabling precise incremental measurements and rapid phase-lock in velocity/position loops. It improves settling times and command following, especially with high-stiffness mechanical loads.
How does the 70 Nm holding brake on MHD112C-035-NG3-LN benefit vertical-axis safety and commissioning?
The brake secures the shaft against gravity or drift during maintenance, homing or power-off conditions. It releases via 24 VDC allows controlled startup without external clamping hardware on Z-axes or hoist duties.
What continuous torque at standstill is specified for MHD112C-035-NG3-LN, and why does it matter thermally?
Its continuous standstill torque is 38 Nm, which defines the thermal limit for holding or very low-speed feed moves. It prevents stator overheating in dwell-heavy duty cycles.
How do the 192 mm square flange and 130 mm centering diameter of MHD112C-035-NG3-LN simplify retrofit?
These standardized IEC-style dimensions help drop-in replacement on existing Rexroth/Indramat mount patterns. Its centering pilot maintains concentricity for minimizing coupling misalignment and vibration during high-speed operation.
Why is an IP65 enclosure relevant for plant integration near coolants or dust?
The IP65 sealing allows operation against airborne particulates and machine spray for reducing ingress failures around packaging lines or machining cells. It also lessens cabinet dependency when motors are exposed on tooling fixtures.
Common Misspellings
MHD112C035NG3LN
MHD112C 035 NG3 LN
mhd112c-035-ng3-ln
Internal Product Review
The Bosch Rexroth Indramat’s MHD112C-035-NG3-LN servo motor is presented with an integrated system for liquid cooling and it possess IP65 seal rating. Its supports safe and controlled operations through its 70 Nm brake and digital servo feedback. This motor is rated for 0.7 kW power at 2500 rpm and it offers 38 Nm torque at standstill that makes it suitable for packaging, textiles, printing and CNC machining cells automation.
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