Mosrac direct drive torque motors
fi-280 series torque motor

FI-280 series direct drive rotary (DDR) motorOuter diameter ( OD ) : 280mm

The FI-280 series is a Housed Inner-rotor Torque Motor, it can be used in applications such as rotary table motors. rated torque options: 45Nm to 90Nm, with motor power ranging from 565.9w to 1131.8W,  motor net weight approximately 24.2kgs to 46kgs.

Specification

Main ParametersFI-28095FI-280145
Voltage(VAC)220220
Rated torque(Nm)4590
Instant Max Torque(Nm)146.3288
Torque constant(Nm/Arms)11.318
Rated Current(Arms)45
Instant Max Current(Arms)1316
Resistance(Ω)5.53.3
Inductance(mH)2415.5
Pole-pairs number(2P)2323
Back EMF coefficient(Vrims/rad/s)7.110
Rated Output(W)565.91131.8
Rotor inertia (10-4kg.m²)312512
Rated Speed(rpm)120120
Max Speed(rpm)240240
Positioning accuracy(arc_sec)±20±20
Repeat positioning accuracy(arc_sec)±1.5±1.5
Encoder resolution(sin/cos)1638416384
Axial load(N)1200012000
Radial load(N.m)400400
Axial runout(mm)≤0.005≤0.005
Radial runout(mm)≤0.005≤0.005
Weight(kg)24.246
Motor height(mm)95145

Drawing

OD 280mm series Housed Direct Drive Torque Motors drawing

Download

  • FI-28095 Torque Motor Catalog.pdf

    OD: 280mm|Height: 95mm

  • FI-280145 Torque Motor Catalog.pdf

    OD: 280mm|Height: 145mm

  • FI-280 series direct drive rotary (DDR) motor Catalog.pdf

    OD: 280mm|Height: 95~145mm optional

  • Direct drives need high-quality position signals to ensure optimal performance. Perfect measuring signals can enhance the surface quality of machined workpieces, reduce the machine frame's vibrations, minimize velocity-dependent motor noise, and prevent excessive heat generation in the motor.


    Mosrac recommends using a magnetic encoder to enhance the accuracy, speed stability, and thermal behavior of direct drive axes. Because there is no mechanical transmission between the encoder and the feed unit, the position signals are not susceptible to inaccuracies or delays.

    Custom combinations are available on request and contact us.



    Application case

    Torque motors for robotics applications

    Torque motors for robotics applications

    Torque motors for consumer electronics application

    Torque motors for consumer electronics application

    Torque Motors for industrial automation application

    Torque Motors for industrial automation application

    Torque motors for medical devices application

    Torque motors for medical devices application

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