Laifual Drive > Joint Module > DC Low Voltage > Low Voltage L190I

Low Voltage L190I

Low Voltage L190I Joint Module for DC Low Voltage

Product Overview

Power Supply Voltage

  • DC48V

Excellent Environmental Adaptability

  • IP54 protection rating
  • Compliant with neutral salt spray requirements
  • Operating temperature: -10 ~ 55 ℃ (standard grease); -30 ~ 55 ℃ (low-temperature grease)
  • Storage temperature: -20 ~ 80 ℃ (standard grease); -40 ~ 80 ℃ (low-temperature grease)
  • Resistance to cyclic damp heat

Highly Integrated Product Design

  • Integrated with harmonic reducer, motor, encoder and drive
  • Extra-large hollow bore for easy routing of cables, pipelines and laser lines
  • Flange mounting structure

Superior Product Performance

  • Over 20% higher torque under the same volume
  • Excellent dynamic performance with ultra-low noise and vibration
  • Maintenance-free throughout the entire service life
  • Ultra-high positioning accuracy
Low Voltage Parts and components can be sold separately

Technical Specifications

Model L190I
Reduction Ratio 81 101 121
Input Voltage V 48（±10%）
Maximum Torque N ·m 1651 2041 2288
kgf ·m 168.47 208.27 233.47
Permissible
Continuous Torque		 N ·m 507 650 806
kgf ·m 51.73 66.33 82.24
Peak Starting Torque N ·m 918 982 1070
kgf ·m 93.67 100.20 109.18
Maximum Speed r/min 18.5 14.9 12.4
Rated Speed r/min 18.5 14.9 12.4
Torque Constant N ·m/A 0.29 0.24 0.24
kgf ·m/A 0.030 0.024 0.024
Maximum Current A 56.75 48.69 44.28
Permissible
Continuous Current		 A 31.34 32.23 33.35
Back EMF Constant V/Krpm 17.90
Phase Resistance(20℃) Ω 0.019
Phase Inductance mH 0.120
Moment of
Inertia		 GD²/4 kg ·mm² 3604
J kgf ·cm ·s² 3604*10^-4
Repeatability*1 Arc-sec 20
Positioning Accuracy*2 Arc-sec 60
Bus Communication
Protocol		 / CANopen/CAN FD/EtherCAT/Modbus
Encoder Resolution Single-turn Detector 17bit（131072pulses per revolution）
Multi-turn Detector 16bit（-32768~32767turns）
Output Shaft Resolution Pulses per Revolution 10616832 13238272 15859712
Mass kg 13.6KG
Ambient Conditions Operating Temperature: Standard grease: -10 to 55°C;
Low-temperature grease: -30 to 55°C
Storage Temperature: Standard grease: -20 to 80°C
Low-temperature grease: -40 to 80°C
Operating/Storage Humidity: 20-80% RH (non-condensing)
Vibration Resistance: 25m/s2(Frequency: 10- 400 Hz)
Shock Resistance：300m/s2
No dust, metal powder, corrosive gases, flammable gases, or oil mist
Indoor use; avoid direct sunlight. Altitude below 1000m
Design Life (H) 10000
Motor Insulation Insulation Resistance: Above 500 M Ω
Withstand Voltage: AC 1500 V / 1 min
Insulation Class: Class F (155 °C)
Installation Direction Can be installed in all directions
Protection Level Totally enclosed, self-cooling type (IP54)

Application

Industrial Robot Application

Industrial Robot

Service Robots Application

Service Robots

Meal Machine Tools Application

Meal Machine Tools

Medical Devices Application

Medical Devices

Analysis,Test Equipment Application

Analysis,Test Equipment

Energy Related Equipment Application

Energy Related Equipment

Papermaking Equipment Application

Papermaking Equipment

Frequently Asked Questions

Laifual Drive's Joint Modules are designed for precision and efficiency.

Key features include:

● High Torque in Compact Size: Offers substantial torque output while maintaining a small footprint.

● Dual Absolute Encoders: Equipped with 16-bit absolute multi-turn encoders for precise position feedback.

● Integrated Design: Combines servo drive, motor-end and output-end absolute encoders, frameless torque motors, brakes, and precision harmonic reducers into a single unit.

● Built-in Servo Drive: Supports communication protocols such as EtherCAT, CANopen, and CAN FD.

● High Positioning Accuracy: Achieves absolute positioning accuracy within 20 arc seconds. Friction Brake: Ensures smooth and stable operation without backlash, suitable for emergency stops.

Laifual Drive's Joint Modules are versatile and suitable for various applications, including:

● Robotics & Automation: Utilised in robotic joints and automation systems for precise motion control.

● Medical Equipment: Employed in medical devices requiring high precision and reliability.

● Machine Tools: Integrated into machine tools for accurate positioning and operation.

● Semiconductor Equipment: Used in semiconductor manufacturing equipment for precise movements.

Laifual Drive offers a one-year warranty on their Joint Modules, starting from the delivery date or after 10,000 hours of operation, whichever comes first. This warranty applies when the actuators are used under normal assembly and lubrication conditions as specified in the product documentation.
Yes, Laifual Drive offers both OEM (Original Equipment Manufacturer)and ODM (Original Design Manufacturer) services to meet specific customer requirements. They have extensive experience in customizing products to suit various applications and industries.
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