Mosrac direct drive torque motors
fi-300 series direct drive torque motor

FI-300 series direct drive rotary (DDR) motorOuter diameter ( OD ) : 300mm

The FI-300 series is a Housed Outer-rotor Torque Motor, it can be used in applications such as rotary table motors. rated torque options: 35Nm, with motor power ranging is 330W,  motor net weight approximately 24.2kgs.

Specification

Main ParametersFI-30075
Voltage(VAC)220
Rated torque(Nm)35
Instant Max Torque(Nm)105
Torque constant(Nm/Arms)7
Rated Current(Arms)5
Instant Max Current(Arms)15
Resistance(Ω)2.4
Inductance(mH)11.2
Pole-pairs number(2P)23
Back EMF coefficient(Vrims/rad/s)4.5
Rated Output(W)330.1
Rotor inertia (10-4kg.m²)630
Rated Speed(rpm)90
Max Speed(rpm)180
Positioning accuracy(arc_sec)±20
Repeat positioning accuracy(arc_sec)±1.5
Encoder resolution(sin/cos)16384
Axial load(N)4000
Radial load(N.m)120
Axial runout(mm)≤0.005
Radial runout(mm)≤0.005
Weight(kg)24.2
Motor height(mm)75

Drawing

OD 300mm series Housed Direct Drive Torque Motors drawing

Download

  • FI-30075 Torque Motor Catalog.pdf

    OD: 300mm|Height: 75mm

  • 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

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    Torque Motors for industrial automation application

    Torque motors for medical devices application

    Torque motors for medical devices application

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