Industrial Arm
UNISTAR UN-1820A Laser Welding Robot Arm
Built by ShanDong Unistar Machinery
Updated May 2026·methodology
Overview
The UNISTAR UN-1820A is a six-axis industrial robot arm designed for laser welding applications, integrating a robot arm with a fiber laser source, welding head, and control system. It is marketed for welding stainless steel, aluminum alloy, and other metals. The system includes a robot arm with 20kg payload and 1850mm reach, combined with laser sources from Raycus or Max (1500W-3000W). It is part of a 4-in-1 machine that can also perform laser cleaning and cutting.
Detailed specifications
Motion & kinematics4
- Allowable Torque J4 Nm
- 52
- Allowable Torque J5 Nm
- 56
- Allowable Torque J6 Nm
- 51.2
- Positioning Accuracy Mm
- 0.01mm (repositioning accuracy)
Power & battery5
- Power Instability
- <3%
- Input Voltage Laser
- 380V/50HZ
- Total Power Laser KW
- 3
- Laser Power Options W
- 1500/2000/3000
- Power Adjustment Range
- 10-100%
Other23
- Model
- UN-1820A
- Vulnerable Parts
- timing belt MBT233080505 5M-8 bandwidth -85 tooth
- Weld Speed M Min
- 5
- Oil Content J1 Ml
- 1400
- Oil Content J2 Ml
- 1000
- Oil Content J3 Ml
- 800
- Oil Content J4 Ml
- 250
- Laser Frequency Hz
- 50-5000
- Swing Weld Spot Mm
- 2-5
- Motion Range J1 Deg
- ±155
- Motion Range J2 Deg
- -140/+65
- Motion Range J3 Deg
- -75/+110
- Motion Range J4 Deg
- ±180
- Motion Range J5 Deg
- ±115
- Motion Range J6 Deg
- ±360
- Water Chiller Brand
- Hanli or S&A
- Core Components Brand
- BORUNTE
- Automatic Wire Feeding
- optional
- Mounting Environment Mpa
- 0.5~0.7
- Robot Accompanying Materials
- USB
- Allowable Moment Of Inertia J4 Kgm2
- 0.664048
- Allowable Moment Of Inertia J5 Kgm2
- 1.12
- Allowable Moment Of Inertia J6 Kgm2
- 0.3968
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