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Industrial ArmManufacturing

Liujiang 331R

Built by Dongguan Rongan Electromechanical Equipment · China

Updated May 2026·methodology
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The Liujiang 331R is a Industrial Arm developed by Dongguan Rongan Electromechanical Equipment (China), priced at $3,800 USD. Key specifications: arm class cartesian, axes 3, payload 8 kg, reach 300 mm.

Robo Index

A

Strong evidence

3 of 10 signals present

Recomputed nightly from public data. Missing data is skipped, never zero-filled — and rankings are never for sale.

Weighted factors

average of the 3 scored · blanks don't count

Commercial maturity15%100/100
Deployment footprint22%unknown
Proven track record9%unknown
Spec completeness22%100/100
Company financial health11%unknown
Company maturity4%unknown
Manufacturer portfolio4%51/100
Media mentions (trailing 12 months)7%unknown
Independent recognition3%unknown
Market momentum1%unknown

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Overview

Robotic soldering iron machine, Automatic spot/drag welding machine equipment

Flagship features

  • **Unique selling point:** Integrated MES, CCD vision alignment, remote control, and visual inspection capabilities
  • **System integration:** Supports data acquisition and MES connectivity
  • **Customization:** Locking range and other parameters can be customized ("支持定制")
  • **User interface:** Human-machine touch-screen operation
  • **Components:** Uses HIWIN (上银) linear rails; closed-loop stepper motors with ball screw transmission (servo option available)
  • **Alarm functions:** Detects floating, missing, and slipped screws

Buyer decision signals

Viability

Company profile available

Price

$3,800

Specifications

Category: Industrial Arm
Arm class
cartesian
Axes
3
Payload
8 kg
Reach
300 mm
Repeatability
±0.2 mm
Weight
55 kg
Mounting
floor
Controller
运动控制卡
Programming
programmable soldering path
Safety cert.
CE, ISO
Maturity
commercial
Industries
electronics manufacturing
VerifiedSelf-reportedEstimated

Detailed specifications

Motion & kinematics4
Dof
3
Dispensing Accuracy
95%
Reposition Accuracy
±0.1mm
Tin Feeding Accuracy
0.2mm
Power & battery3
Voltage
AC 110/220V 50/60Hz
Laser Power
150
Power Consumption W
150
Safety & certifications1
Certification
CE, ISO, Patents
Other24
Mode
CB-Hx331r
Origin
Dongguan, Guangdong, China
HS Code
8515190090
Station
Two Station
Conductor
Touch Screen + Visual Programm System
Model NO.
CB-HX331R
Trademark
RA
Ce Marked
true
Driven Type
Electric
Customs Code
8515190090
Applications
pick_and_place,pcb_assembly
Sub Category
desktop_dispensing
Specification
490*640*660
Max Speed M S
1.5
Machine Weight
110
Operating Range
300*300*100mm(X*Y*Z)
Solder Wire Dia
0.5-1.2mm
Company Country
CN
Procedure Types
laser soldering,contact soldering
Soldering Method
Solder Wire Feeding
Transport Package
Wooden Box
Production Capacity
500sets/Month
Laser Output Stability
< (+/-5%)
Additional Information
- **Unique selling point:** Integrated MES, CCD vision alignment, remote control, and visual inspection capabilities. - **System integration:** Supports data acquisition and MES connectivity. - **Customization:** Locking range and other parameters can be customized ("支持定制"). - **User interface:** Human-machine touch-screen operation. - **Components:** Uses HIWIN (上银) linear rails; closed-loop stepper motors with ball screw transmission (servo option available). - **Alarm functions:** Detects floating, missing, and slipped screws. - **Screw feeder options:** Vacuum suction or magnetic pickup; one or two feeder units available. - **Programming capacity:** 1000 program sets stored on-board; USB port for data transfer. - **This is a dedicated benchtop screwdriving machine, not a general-purpose industrial robot arm. It is categorized as industrial-arm for its use in manufacturing automation.**

Where to buy

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Company milestones

  • MilestoneCompany profile available

Frequently asked questions

Who makes the Liujiang 331R?
The Liujiang 331R is developed by Dongguan Rongan Electromechanical Equipment, based in China.
What type of robot is the Liujiang 331R?
The Liujiang 331R is a Industrial Arm made by Dongguan Rongan Electromechanical Equipment.
How much does the Liujiang 331R cost?
The Liujiang 331R is priced $3,800 USD.
What are the key specifications of the Liujiang 331R?
Key specifications of the Liujiang 331R: arm class cartesian, axes 3, payload 8 kg, reach 300 mm, repeatability ±0.2 mm.

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