Product Description
Inner rotor DD motor Torque motor FI series selection

Product parameters
FI-40 series
DD motor
Main parameter | FI-4048 | FI-4065 |
Voltage (VDC) | 48 | 48 |
Rated torque (Nm) | 0 .25 | 0 .5 |
Instantaneous maximum torque (Nm) | 0 .8 | 1 .3 |
Torque parameters (Nm/Arms) | 0 . 1 | 0 . 17 |
Rated current (Arms) | 2 .5 | 3 |
Instantaneous Maximum current (Arms) | 8 | 8 |
Line resistance (Ω) | 1 .8 | 2 .4 |
Line inductance (mH) | 1 . 1 | 1 .7 |
Number of poles (2P) | 7 | 7 |
Back potential coefficient (V/Krpm) | 0 . 1 | 0 . 12 |
Rated output power (W) | 7 .9 | 15 .7 |
Rotor moment of inertia 10-4 kg.m ² | 0 .04 | 0 .05 |
Rated speed (rpm) | 300 | 300 |
Maximum speed (rpm) | 600 | 600 |
Positioning accuracy (arc_sec) | ±40 | ±40 |
Repetition accuracy (arc_sec) | ±5 | ±5 |
Encoder resolution (sin/cos) | 2048 | 2048 |
Axial load (N) | 600 | 600 |
Radial load (N.m) | 6 | 6 |
Axial yaw (mm) | ≤0 .01 | ≤0 .01 |
Radial yaw (mm) | ≤0 .01 | ≤0 .01 |
Weight (kg) | 0 .4 | 0 .55 |
Motor height L (mm) | 48 | 65 |
FI-60 series
DD motor
Main parameter | FI-6060 | FI-6080 |
Voltage (VDC) | 220 | 220 |
Rated torque (Nm) | 0 .5 | 1 |
Instantaneous maximum torque (Nm) | 1 .6 | 4 .4 |
Torque parameters (Nm/Arms) | 0 .2 | 0 .4 |
Rated current (Arms) | 2 .5 | 2 .5 |
Instantaneous Maximum current (Arms) | 8 | 11 |
Line resistance (Ω) | 4 | 3 .5 |
Line inductance (mH) | 3 .6 | 3 |
Number of poles (2P) | 10 | 10 |
Back potential coefficient (V/Krpm) | 0 .2 | 0 .3 |
Rated output power (W) | 15 .7 | 31 .4 |
Rotor moment of inertia 10-4 kg.m ² | 0 .55 | 0 .8 |
Rated speed (rpm) | 300 | 300 |
Maximum speed (rpm) | 600 | 600 |
Positioning accuracy (arc_sec) | ±40 | ±40 |
Repetition accuracy (arc_sec) | ±4 | ±4 |
Encoder resolution (sin/cos) | 4096 | 4096 |
Axial load (N) | 700 | 700 |
Radial load (N.m) | 10 | 10 |
Axial yaw (mm) | ≤0 .01 | ≤0 .01 |
Radial yaw (mm) | ≤0 .01 | ≤0 .01 |
Weight (kg) | 0 .8 | 1 |
Motor height L (mm) | 60 | 80 |
FI-80 series
DD motor
Main parameter | FI-8050 | Main parameter | FI-8050 |
Voltage (VDC) | 220 | Rated speed (rpm) | 300 |
Rated torque (Nm) | 0 .9 | Maximum speed (rpm) | 600 |
Instantaneous maximum torque (Nm) | 2 .7 | Positioning accuracy (arc_sec) | ±50 |
Torque parameters (Nm/Arms) | 0 .28 | Repetition accuracy (arc_sec) | ±2 .5 |
Rated current (Arms) | 3 .2 | Encoder resolution (sin/cos) | 5000 |
Instantaneous Maximum current (Arms) | 9 .6 | Axial load (N) | 800 |
Line resistance (Ω) | 1 .3 | Radial load (N.m) | 10 |
Line inductance (mH) | 1 .7 | Axial yaw (mm) | ≤0 .03 |
Number of poles (2P) | 5 | Radial yaw (mm) | ≤0 .03 |
Back potential coefficient (V/Krpm) | 0 .2 | Weight (kg) | 1 .5 |
Rated output power (W) | 28 .3 | Motor height L (mm) | 50 |
Rotor moment of inertia 10-4 kg.m ² | 1 .5 |
FI-120 series
DD motor
Main parameter | FI-12064 | Main parameter | FI-12064 |
Voltage (VDC) | 220 | Rated speed (rpm) | 150 |
Rated torque (Nm) | 2 .4 | Maximum speed (rpm) | 300 |
Instantaneous maximum torque (Nm) | 8 | Positioning accuracy (arc_sec) | ±20 |
Torque parameters (Nm/Arms) | 1 .7 | Repetition accuracy (arc_sec) | ± 1 .5 |
Rated current (Arms) | 1 .5 | Encoder resolution (sin/cos) | 8192 |
Instantaneous Maximum current (Arms) | 5 | Axial load (N) | 1200 |
Line resistance (Ω) | 2 .9 | Radial load (N.m) | 60 |
Line inductance (mH) | 3 . 1 | Axial yaw (mm) | ≤0 .005 |
Number of poles (2P) | 13 | Radial yaw (mm) | ≤0 .005 |
Back potential coefficient (V/Krpm) | 2 | Weight (kg) | 3 .9 |
Rated output power (W) | 37 .7 | Motor height L (mm) | 64 |
Rotor moment of inertia 10-4 kg.m ² | 26 |
FI-140 series
DD motor
Main parameter | FI-14085 | FI-140120 | FI-140188 |
Voltage (VDC) | 220 | 220 | 220 |
Rated torque (Nm) | 10 .5 | 14 | 36 |
Instantaneous maximum torque (Nm) | 29 .4 | 35 | 100 |
Torque parameters (Nm/Arms) | 4 .2 | 7 | 4 |
Rated current (Arms) | 2 .5 | 2 | 9 |
Instantaneous Maximum current (Arms) | 7 | 5 | 25 |
Line resistance (Ω) | 5 .9 | 3 .3 | 1 .28 |
Line inductance (mH) | 6 | 6 | 12 .5 |
Number of poles (2P) | 14 | 13 | 13 |
Back potential coefficient (V/Krpm) | 3 .4 | 2 | 2 .4 |
Rated output power (W) | 220 . 1 | 440 .2 | 1 131 .8 |
Rotor moment of inertia 10-4 kg.m ² | 70 | 85 | 102 |
Rated speed (rpm) | 200 | 300 | 300 |
Maximum speed (rpm) | 350 | 600 | 600 |
Positioning accuracy (arc_sec) | ±20 | ±20 | ±20 |
Repetition accuracy (arc_sec) | ± 1 .5 | ± 1 .5 | ± 1 .5 |
Encoder resolution (sin/cos) | 8192 | 8192 | 8192 |
Axial load (N) | 2500 | 3200 | 4000 |
Radial load (N.m) | 30 | 80 | 1 10 |
Axial yaw (mm) | ≤0 .005 | ≤0 .005 | ≤0 .005 |
Radial yaw (mm) | ≤0 .005 | ≤0 .005 | ≤0 .005 |
Weight (kg) | 5 .6 | 8 | 8 |
Motor height L (mm) | 85 | 120 | 188 |
FI-170 series
DD motor
Main parameter | FI-17050 | FI-170100 |
Voltage (VDC) | 220 | 220 |
Rated torque (Nm) | 5 .4 | 17 |
Instantaneous maximum torque (Nm) | 16 | 55 .3 |
Torque parameters (Nm/Arms) | 1 .8 | 4 .3 |
Rated current (Arms) | 3 | 4 |
Instantaneous Maximum current (Arms) | 9 | 13 |
Line resistance (Ω) | 6 .9 | 11 |
Line inductance (mH) | 8 .3 | 16 .8 |
Number of poles (2P) | 20 | 19 |
Back potential coefficient (V/Krpm) | 1 .5 | 3 .2 |
Rated output power (W) | 141 .5 | 267 .2 |
Rotor moment of inertia 10-4 kg.m ² | 40 | 80 |
Rated speed (rpm) | 250 | 150 |
Maximum speed (rpm) | 500 | 300 |
Positioning accuracy (arc_sec) | ±20 | ±20 |
Repetition accuracy (arc_sec) | ± 1 .5 | ± 1 .5 |
Encoder resolution (sin/cos) | 1 1740 | 1 1740 |
Axial load (N) | 2500 | 2500 |
Radial load (N.m) | 20 | 60 |
Axial yaw (mm) | ≤0 .005 | ≤0 .005 |
Radial yaw (mm) | ≤0 .005 | ≤0 .005 |
Weight (kg) | 3 .9 | 5 .2 |
Motor height L (mm) | 50 | 100 |
FI-180 series
DD motor
Main parameter | FI-18055 | FI-18095 | FI-180125 |
Voltage (VDC) | 220 | 220 | 220 |
Rated torque (Nm) | 14 | 25 .2 | 40 . 1 |
Instantaneous maximum torque (Nm) | 42 | 76 | 120 |
Torque parameters (Nm/Arms) | 3 . 1 | 5 .6 | 8 .9 |
Rated current (Arms) | 4 .5 | 4 .5 | 4 .5 |
Instantaneous Maximum current (Arms) | 13 .5 | 13 .5 | 13 .5 |
Line resistance (Ω) | 3 .5 | 1 .5 | 8 |
Line inductance (mH) | 5 .7 | 2 .6 | 15 .8 |
Number of poles (2P) | 16 | 16 | 16 |
Back potential coefficient (V/Krpm) | 2 .5 | 4 .6 | 7 .3 |
Rated output power (W) | 220 . 1 | 396 . 1 | 630 .4 |
Rotor moment of inertia 10-4 kg.m ² | 40 | 67 | 100 |
Rated speed (rpm) | 150 | 150 | 150 |
Maximum speed (rpm) | 250 | 300 | 250 |
Positioning accuracy (arc_sec) | ±20 | ±20 | ±20 |
Repetition accuracy (arc_sec) | ± 1 .5 | ± 1 .5 | ± 1 .5 |
Encoder resolution (sin/cos) | 1 1740 | 1 1740 | 1 1740 |
Axial load (N) | 4000 | 4000 | 4000 |
Radial load (N.m) | 50 | 50 | 50 |
Axial yaw (mm) | ≤0 .005 | ≤0 .005 | ≤0 .005 |
Radial yaw (mm) | ≤0 .005 | ≤0 .005 | ≤0 .005 |
Weight (kg) | 5 .4 | 9 . 1 | 13 |
Motor height L (mm) | 55 | 95 | 125 |
FI-220 series
DD motor
Main parameter | FI-220123 | FI-220168 | FI-220208 |
Voltage (VDC) | 220 | 220 | 220 |
Rated torque (Nm) | 50 .6 | 86 .6 | 1 15 |
Instantaneous maximum torque (Nm) | 152 | 266 | 350 |
Torque parameters (Nm/Arms) | 9 .2 | 15 .2 | 14 .4 |
Rated current (Arms) | 5 .5 | 5 .7 | 5 .75 |
Instantaneous Maximum current (Arms) | 16 .5 | 35 | 17 .5 |
Line resistance (Ω) | 3 .2 | 4 .2 | 4 .2 |
Line inductance (mH) | 8 .5 | 1 1 .6 | 14 |
Number of poles (2P) | 20 | 20 | 26 |
Back potential coefficient (V/Krpm) | 8 .3 | 12 .4 | 7 .9 |
Rated output power (W) | 530 .3 | 726 . 1 | 1446 .2 |
Rotor moment of inertia 10-4 kg.m ² | 340 | 360 | 560 |
Rated speed (rpm) | 100 | 80 | 120 |
Maximum speed (rpm) | 200 | 150 | 240 |
Positioning accuracy (arc_sec) | ±20 | ±20 | ±20 |
Repetition accuracy (arc_sec) | ± 1 .5 | ± 1 .5 | ± 1 .5 |
Encoder resolution (sin/cos) | 1 1740 | 1 1740 | 1 1740 |
Axial load (N) | 8000 | 8000 | 20000 |
Radial load (N.m) | 120 | 120 | 500 |
Axial yaw (mm) | ≤0 .005 | ≤0 .005 | ≤0 .005 |
Radial yaw (mm) | ≤0 .005 | ≤0 .005 | ≤0 .005 |
Weight (kg) | 20 | 24 .7 | 34 |
Motor height L (mm) | 123 | 168 | 208 |
FI-224 series
DD motor
Main parameter | FI-22442 | Main parameter | FI-22442 |
Voltage (VDC) | 220 | Rated speed (rpm) | 150 |
Rated torque (Nm) | 9 .9 | Maximum speed (rpm) | 250 |
Instantaneous maximum torque (Nm) | 30 | Positioning accuracy (arc_sec) | ±20 |
Torque parameters (Nm/Arms) | 4 .3 | Repetition accuracy (arc_sec) | ± 1 .5 |
Rated current (Arms) | 2 .3 | Encoder resolution (sin/cos) | 1 1740 |
Instantaneous Maximum current (Arms) | 7 | Axial load (N) | 2500 |
Line resistance (Ω) | 22 .5 | Radial load (N.m) | 50 |
Line inductance (mH) | 50 .4 | Axial yaw (mm) | ≤0 .005 |
Number of poles (2P) | 20 | Radial yaw (mm) | ≤0 .005 |
Back potential coefficient (V/Krpm) | 3 .5 | Weight (kg) | 6 .3 |
Rated output power (W) | 155 .6 | Motor height L (mm) | 42 |
Rotor moment of inertia 10-4 kg.m ² | 72 |
FI-280 series
DD motor
Main parameter | FI-28095 | FI-280145 |
Voltage (VDC) | 220 | 220 |
Rated torque (Nm) | 45 | 90 |
Instantaneous maximum torque (Nm) | 146 .3 | 288 |
Torque parameters (Nm/Arms) | 1 1 .3 | 18 |
Rated current (Arms) | 4 | 5 |
Instantaneous Maximum current (Arms) | 13 | 16 |
Line resistance (Ω) | 5 .5 | 3 .3 |
Line inductance (mH) | 24 | 15 .5 |
Number of poles (2P) | 23 | 23 |
Back potential coefficient (V/Krpm) | 7 . 1 | 10 |
Rated output power (W) | 565 .9 | 1 131 .8 |
Rotor moment of inertia 10-4 kg.m ² | 312 | 512 |
Rated speed (rpm) | 120 | 120 |
Maximum speed (rpm) | 240 | 240 |
Positioning accuracy (arc_sec) | ±20 | ±20 |
Repetition accuracy (arc_sec) | ± 1 .5 | ± 1 .5 |
Encoder resolution (sin/cos) | 16384 | 16384 |
Axial load (N) | 12000 | 12000 |
Radial load (N.m) | 400 | 400 |
Axial yaw (mm) | ≤0 .005 | ≤0 .005 |
Radial yaw (mm) | ≤0 .005 | ≤0 .005 |
Weight (kg) | 24 .2 | 46 |
Motor height L (mm) | 95 | 145 |
FI-300 series
DD motor
Main parameter | FI-30075 | Main parameter | FI-30075 |
Voltage (VDC) | 220 | Rated speed (rpm) | 90 |
Rated torque (Nm) | 35 | Maximum speed (rpm) | 180 |
Instantaneous maximum torque (Nm) | 105 | Positioning accuracy (arc_sec) | ±20 |
Torque parameters (Nm/Arms) | 7 | Repetition accuracy (arc_sec) | ± 1 .5 |
Rated current (Arms) | 5 | Encoder resolution (sin/cos) | 16384 |
Instantaneous Maximum current (Arms) | 15 | Axial load (N) | 4000 |
Line resistance (Ω) | 2 .4 | Radial load (N.m) | 120 |
Line inductance (mH) | 1 1 .2 | Axial yaw (mm) | ≤0 .005 |
Number of poles (2P) | 23 | Radial yaw (mm) | ≤0 .005 |
Back potential coefficient (V/Krpm) | 4 .5 | Weight (kg) | 24 .2 |
Rated output power (W) | 330 . 1 | Motor height L (mm) | 75 |
Rotor moment of inertia 10-4 kg.m ² | 630 |
FI-375 series
DD motor
Main parameter | FI-375150 | FI-375200 |
Voltage (VDC) | 220 | 220 |
Rated torque (Nm) | 200 | 320 |
Instantaneous maximum torque (Nm) | 625 | 1000 |
Torque parameters (Nm/Arms) | 25 | 45 |
Rated current (Arms) | 8 | 8 |
Instantaneous Maximum current (Arms) | 25 | 25 |
Line resistance (Ω) | 5 .2 | 5 .2 |
Line inductance (mH) | 32 | 32 |
Number of poles (2P) | 42 | 42 |
Back potential coefficient (V/Krpm) | 18 .8 | 26 .6 |
Rated output power (W) | 1257 .6 | 2012 .2 |
Rotor moment of inertia 10-4 kg.m ² | 3900 | 5200 |
Rated speed (rpm) | 60 | 60 |
Maximum speed (rpm) | 120 | 120 |
Positioning accuracy (arc_sec) | ±20 | ±20 |
Repetition accuracy (arc_sec) | ± 1 .5 | ± 1 .5 |
Encoder resolution (sin/cos) | 16384 | 16384 |
Axial load (N) | 20000 | 20000 |
Radial load (N.m) | 1200 | 1200 |
Axial yaw (mm) | ≤0 .005 | ≤0 .005 |
Radial yaw (mm) | ≤0 .005 | ≤0 .005 |
Weight (kg) | 75 | 90 |
Motor height L (mm) | 150 | 200 |
Application

Frameless motor is applied to direct joint drive of cooperative robot

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Frameless torque motor is applied to exoskeleton robot
Service
Dedicated service, along the way
Warranty worry-free, extended repair, often return to promote optimization, peace of mind choice, all in control.

Before the purchase of professional consultants rapid response, accurate recommendation products;

Purchase logistics is efficient, specially-assigned to ensure delivery;

After the purchase 7×24 hours customer service answer questions, engineers at any time to save the "machine";
After-sale guarantee
After-sales service: We provide comprehensive after-sales technical support, if you encounter any problems in the process of use, the professional after-sales engineer team will respond quickly, through telephone, mail or remote assistance, to provide you with detailed solutions. We also provide regular return visits to our products to understand how they are used and to collect your feedback in order to continuously optimize our products and services. In addition, in strict accordance with the quality assurance policy, we provide free repair or replacement services for products with quality problems during the warranty period, so that you have no worries.