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MG400 Ultra-Compact Desktop Robotic Arm

An ultra-compact desktop robot arm with A4-size footprint and ±0.05mm repeatability for high-precision electronics and lab automation.
  • MG400

  • Dobot

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Industrial Precision Meets Desktop Agility

The DOBOT MG400 brings industrial-grade precision to the desktop, combining an ultra-compact A4-size footprint with advanced motion control technology. Designed for high-precision electronics manufacturing, laboratory automation, and light industrial applications, the MG400 delivers ±0.05mm repeatability in a package that fits anywhere.

Key Features

  • A4-Size Footprint — Ultra-compact 190mm × 190mm base requires minimal bench space, making it ideal for desktop deployment and multi-robot workcells.

  • ±0.05mm Repeatability — High-precision positioning ensures consistent quality in PCB assembly, dispensing, and precision pick-and-place operations.

  • Vibration Suppression Algorithm — Advanced motion control actively dampens residual vibration, enabling faster cycle times without sacrificing accuracy.

  • Safe Human-Robot Collaboration — Collision detection and low-inertia design allow safe operation alongside human workers without safety fencing.

Technical Specifications

Parameter

MG400

Payload

500 g (rated) / 750 g (max)

Reach

440 mm

Weight

8 kg

Power

120 W

Repeatability

±0.05 mm

Base Footprint

190 mm × 190 mm

Degrees of Freedom

4 axes

Applications

PCB Assembly: The MG400 excels in 3C electronics manufacturing, handling delicate PCB soldering, precision component placement, and automated optical inspection with unmatched consistency. Its compact design allows multiple units to operate simultaneously on a single production line.

Lab Sample Handling: In research and analytical laboratories, the MG400 automates repetitive liquid handling, sample preparation, and microplate processing. Its ±0.05mm precision ensures accurate pipetting and contamination-free workflow in constrained lab environments.

High-Speed Sorting: With rapid cycle times and intelligent vision integration, the MG400 performs high-speed sorting of small components, electronic parts, and pharmaceutical products. The vibration suppression algorithm maintains accuracy even at maximum speed.

MUMA Support & Integration

MUMA provides comprehensive system integration and technical support for every DOBOT MG400 deployment. Our experienced engineering team offers turnkey automation solutions including end-effector selection, vision system integration, safety assessment, and on-site commissioning. With expert training programs and responsive after-sales service, MUMA ensures your MG400 robotic arm delivers maximum productivity from day one. Whether you need a standalone desktop robot or a fully integrated multi-robot workcell, MUMA's application engineers work closely with your team to develop the optimal automation strategy tailored to your specific manufacturing requirements.

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