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R911257959 (MDD093C-N-060-N2L-110GB2)

MDD Synchronous Motors

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The Bosch Rexroth R911257959 (MDD093C-N-060-N2L-110GB2) is an AC servo motor known for its high quality and economical operation in motion control systems. This compactly-sized motor has a torque constant of 0.30 Nm/A and winding resistance at 20 degrees Celsius of 0.07 ohms. It operates at a nominal rotational speed of 6000 rpm, and at a peak current of 293.3 A, producing a theoretical torque of 60.6 Nm. The motor, covered in corrosion-resistant black coating, offers 19.5 Newton meters of constant torque during surface cooling, with a constant current of 65.2 ampere. Its insulation class is F, with a moment of inertia of 42 x 10-4 kgm2, suitable for natural and surface cooling. The motor features a digital servo feedback for rotor activity monitoring and a plain output shaft that rotates synchronously with the incoming current. It weighs 22 kg and requires a specific driving controller from the manufacturer. Its 1.1 kg holding brake provides a holding torque of 22 Newton meters, with clamping and release delays of 30 and 70 milliseconds respectively. The motor, which needs to be grounded through the PG threaded joints, is dust and liquid resistant, as certified by its IP65 rating. Additionally, it has an inductance of 0.7 mH and a centering diameter of 110 mm.

Technical Specifications

TorqueConstant
0.30Nm/A

WindingResistance
0.07ohms

MaximumNominalSpeed
6000rpm

PeakCurrent
293.3A

TheoreticalTorque
60.6Nm

SurfaceCoolingConstantTorque
19.5Nm

SurfaceCoolingConstantCurrent
65.2A

InsulationClass
F

MomentOfInertia
42x10-4kgm2

HousingType
NaturalAndSurfaceCooling

ThermalTimeConstant
50minutes

ServoFeedback
Digital

OutputShaft
Plain

Weight
22kg

HoldingBrake
1.1kg

HoldingTorque
22Nm

ClampingDelay
30milliseconds

ReleaseDelay
70milliseconds

PowerConnection
GroundedPGThreadedJoints

IPCertification
IP65

Inductance
0.7mH

CenteringDiameter
110mm.

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

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