top of page

DOBOT MG400 Review: Specs, Price and Applications of the Desktop Robot Arm

Oct 10
3 min read

Updated: 2 days ago

DOBOT MG400 4-axis desktop robot arm with 500 g payload
The DOBOT MG400.

The DOBOT MG400 is a 4-axis desktop robot arm with a payload of 500 g, a working radius of 440 mm and ±0.05 mm repeatability, listed from USD 2,600. This review covers its full specifications, design, programming options, applications and price, so you can decide whether it fits your automation project.

Quick Verdict

The DOBOT MG400 is a 4-axis desktop robot arm with a rated payload of 500 g (750 g maximum), a 440 mm working radius and ±0.05 mm repeatability. It is designed for light bench-top automation such as small-part pick and place, sorting and dispensing in tight spaces. The arm weighs 8 kg, mounts on a desktop with a 190 mm × 190 mm footprint, and has the controller and servo drives integrated in the base. It communicates over TCP/IP and Modbus TCP. It is listed from USD 2,600.


DOBOT MG400 at a Glance

  • Payload: 500 g

  • Working radius: 440 mm

  • Axes: 4

  • Repeatability: ±0.05 mm

  • Weight: 8 kg

  • Price: from USD 2,600


DOBOT MG400 Technical Specifications

The table below lists the published specifications of the DOBOT MG400.

Specification

DOBOT MG400

Manufacturer

DOBOT

Model

MG400

Robot type

4-axis desktop robot arm

Payload

500 g

Working radius

440 mm

Axes

4

Repeatability

±0.05 mm

Controller

Integrated in the base

Interfaces

TCP/IP, Modbus TCP

Starting price

From USD 2,600


Detailed Technical Data

  • 4 axes

  • Rated payload 500 g

  • Max. payload 750 g

  • Working radius 440 mm

  • Repeatability ±0.05 mm

  • Weight 8 kg

  • Max. joint speed 300°/s

  • Footprint 190 mm × 190 mm

  • Desktop mounting

  • Power 100-240 V AC, 150 W

  • TCP/IP, Modbus TCP


Design and Build Quality

DOBOT MG400 robot
The DOBOT MG400.

The MG400 is a desktop arm with the controller integrated in the base, sized to sit on a workbench. Published build data for the MG400: weight 8 kg; footprint 190 mm × 190 mm; desktop mounting; power 100-240 V AC, 150 W.


Programming and Software

DobotStudio Pro

The MG400 is programmed in DobotStudio Pro, which offers graphical block programming for beginners and script programming for advanced users. Positions can also be taught by guiding the arm by hand.

Industrial Communication

Published interfaces are TCP/IP and Modbus TCP.


DOBOT MG400 Applications and Use Cases

Typical applications for the MG400 are machine tending, palletizing, screwdriving, welding, lab automation and education.

Bench-Top Pick and Place

DOBOT MG400 robot arm
The DOBOT MG400.

The MG400 moves small parts between trays, feeders and fixtures on a workbench.

Sorting and Dispensing

The arm suits light sorting, glue dispensing and similar repetitive bench tasks.

Education and Training

A low price and a compact size make the MG400 a common choice for classrooms and training labs.


DOBOT MG400 Price and Value

The DOBOT MG400 is listed from USD 2,600 on All Things Cobots. End effectors, safety equipment and integration affect the final price and are quoted separately. Prices are indicative, are not final and may change.


Pros and Cons

Pros

  • 500 g payload with a 440 mm working radius

  • ±0.05 mm repeatability

  • Controller integrated in the base

Cons

  • The 500 g payload includes the gripper and tooling

  • End effectors, safety equipment and integration are quoted separately


Who Should Buy the DOBOT MG400?

The DOBOT MG400 fits schools, labs and small workshops that need a low-cost desktop arm.



See the full DOBOT MG400 product listing on All Things Cobots.



DOBOT MG400 FAQ

How much does the DOBOT MG400 cost?

The DOBOT MG400 is listed from USD 2,600 on All Things Cobots. The price is indicative and may change, and it does not include end effectors, safety equipment or integration.

What is the payload and working radius of the DOBOT MG400?

The MG400 has a payload of 500 g and a working radius of 440 mm.

How accurate is the DOBOT MG400?

Its published repeatability is ±0.05 mm.

How many axes does the DOBOT MG400 have?

The MG400 has 4 axes.

How is the DOBOT MG400 programmed?

It is programmed in DobotStudio Pro with graphical block programming or scripts, and positions can be taught by hand guiding.

How much does the DOBOT MG400 weigh?

Published weight 8 kg.

What is the DOBOT MG400 used for?

Typical applications are machine tending, palletizing, screwdriving, welding, lab automation and education.


Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.

FAIRINO ROBOTIC ARM_edited_edited_edited_edited.png
All Things Cobots

Free Consultation

ROBOTIC ARMS
All Things Cobots

© All Things Cobots Proudly created By G2T

bottom of page