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Laifual

Laifual L70I Motor

$955.00
Version
Reduction Ratio
Encoder Type

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Product Information


Application Scenarios

Humanoid Robots
Robotic Arms
Exoskeletons
Quadruped Robots
AGV Vehicles
ARU Robots

Technical Specifications

Parameter Value
Model L70I-C / L70I-E
Frameless Motor ML-70-A
Harmonic Reducer Speed Ratio 51 / 81 / 101
Starting Peak Torque 23 N·m (51) / 30 N·m (81) / 36 N·m (101)
Rated Torque (Max Avg. Load) 9 N·m (51) / 14 N·m (81) / 14 N·m (101)
Max Instantaneous Reducer Torque 46 N·m (51) / 61 N·m (81) / 70 N·m (101)
Motor Rated Torque (debug) 0.25 N·m (51) / 0.25 N·m (81) / 0.20 N·m (101)
Motor Max Torque (debug) 0.64 N·m (51) / 0.53 N·m (81) / 0.51 N·m (101)
Motor Inertia (debug) 4.19 kg·m² (all ratios)
Maximum Speed 107.8 rpm (51) / 67.9 rpm (81) / 54.5 rpm (101)
Rated Speed 58.8 rpm (51) / 37.0 rpm (81) / 29.7 rpm (101)
Maximum Current 8.25 Arms (51) / 6.77 Arms (81) / 6.52 Arms (101)
Rated Current 3.23 Arms (51) / 3.16 Arms (81) / 2.53 Arms (101)
Motor Torque Constant 0.08 Nm/Arms
Motor Phase Resistance 0.39 Ω
Motor Phase Inductance 0.3 mH
Motor Line Back EMF 6.15 Vms/krpm
Number of Motor Pole Pairs 8
Supply Voltage DC 48V
Heat Resistance Class F (155°C)
Insulation Resistance 500 MΩ (DC 500V)
Dielectric Withstand Voltage AC 1500V (1 min), <5mA
Parameter Value
Module Products L70I-C / L70I-E
Encoder Model EL-70C-A (CANopen) / EL-70E-A (EtherCat)
Supply Voltage 48V ±10%
Output Drive Type 3-Phase MOSFET
Output Rated Phase Current 3.22 A
Max Instantaneous Phase Current 8.22 A
Driver Protection Phase Current Overcurrent, Load Short Circuit
Communication Type CANopen (L70I-C) / EtherCat (L70I-E)
Baud Rate ≤1 Mbps (CAN) / ≤100 Mbps (EtherCat)
Operating Temperature 0 ~ 60°C
Relative Humidity 20% ~ 80%
Battery Supply Voltage (Typical) 3.6V
Battery Supply Current (Typical) 26 µA
PCB Outer Diameter 66 mm
PCB Inner Diameter 19 mm
Parameter Value
Model ML-70-A
Number of Poles 16
Peak Current 9.6 Arms
Phase Resistance (@20°C) 0.39 Ω
Back EMF Constant 6.15 Vrms/krpm
Phase Inductance (@1kHz) 0.3 mH
Torque Constant 0.08 N·m/A
Rated Voltage 48 VDC
Insulation Grade F 155°C
No‑load Speed 5500 rpm
Dielectric Strength 1500 VAC
No‑load Current 0.16 Arms
Insulation Resistance 500 MΩ
Rated Torque 0.25 N·m
Rotor Moment of Inertia 5.2 kg·m²
Rated Speed 3000 rpm
Usage Environment -20 ~ 60°C
Rated Current 3.2 Arms
Storage Environment -30 ~ 85°C
Peak Torque 0.75 N·m
Humidity ≤95% (no condensation)
Weight 0.14 kg