Short verdict: The UFACTORY xArm 5 is one of the more interesting low-cost robot arms for buyers who need a lightweight, programmable platform for simple pick-and-place, handling, research and repetitive automation. Its combination of a 3 kg payload, 700 mm reach, ±0.1 mm published repeatability, 1 m/s maximum TCP speed and an accessible software ecosystem gives it considerably more capability than many desktop robot arms without moving into the price class of premium industrial cobots.
Its biggest limitation is also the reason buyers need to understand the xArm 5 before choosing it: this is a five-axis robot, not a conventional six-axis cobot. In Cartesian linear and circular motion, UFACTORY documents four flexible degrees of freedom—X, Y, Z and yaw—so tool orientation is more constrained than on the xArm 6 or a typical six-axis industrial arm.
For applications where the tool can remain in a relatively fixed orientation, that compromise can make excellent economic sense. Simple machine tending, pick-and-place, testing, dispensing, light material handling, laboratory automation and robotics development are all credible fits.
For processes that require arbitrary tool orientation, complex assembly angles, welding-style trajectories or maximum freedom around obstacles, paying more for a six- or seven-axis robot is likely to be the better decision.
Best for: research labs, developers, education, startups, integrators and light-manufacturing applications that need a compact 3 kg robot with long reach, accessible programming and relatively low hardware cost.
Not for: applications requiring unrestricted six-axis tool orientation, wet or washdown environments, payloads above 3 kg, buyers expecting a turnkey production cell from the robot alone, or safety-critical collaborative applications without a full system risk assessment.
Reviewed and fact-checked 11 September 2026. This is an independent, documentation-based buyer review, not a claim of hands-on laboratory testing. Specifications, software support and pricing were checked against current UFACTORY documentation and official product resources. Prices, availability, firmware and regional packages can change and should be reconfirmed before purchase.
UFactory xArm 5: Quick Buyer Verdict
The xArm 5 makes most sense when you treat it as a low-cost automation and development platform rather than as a cheaper substitute for every six-axis cobot. The hardware is compact, the 700 mm reach is generous for its class, and the programming stack is unusually accessible. The deciding question is whether your task actually needs the missing sixth degree of freedom.
| Decision factor | Verdict | Why it matters |
|---|---|---|
| Value for money | Excellent for the right task | The current U.S. direct price reference is substantially below many established industrial cobots. |
| Reach | Excellent | 700 mm is generous for a compact arm with a 3 kg payload. |
| Payload | Moderate | 3 kg is enough for light handling, but tool weight and the workpiece quickly consume the payload budget. |
| Repeatability | Good | UFACTORY publishes ±0.1 mm repeatability, suitable for many handling and research tasks but behind some premium cobots. |
| Programming accessibility | Excellent | UFACTORY Studio, Blockly, Python, C++, ROS and ROS 2 provide several paths from no-code setup to custom development. |
| Cartesian flexibility | Limited | Five axes constrain tool orientation; Cartesian linear and circular motion does not provide six freely controllable coordinates. |
| Developer ecosystem | Strong | Official SDKs, ROS packages, ROS 2 packages, CAD resources and active public repositories support custom robotics work. |
| Production integration | Good, engineering-dependent | Ethernet, controller I/O and tool communication are available, but the robot still needs tooling, guarding and application engineering. |
| Environmental protection | Limited | UFACTORY explicitly states that neither the xArm robot nor its controller is waterproof. |
Pros
- 700 mm reach from a compact, approximately 11.2 kg arm.
- 3 kg maximum payload for light automation.
- Published ±0.1 mm repeatability.
- Maximum TCP speed of 1 m/s.
- Accessible graphical programming through UFACTORY Studio and Blockly.
- Python, C++, ROS and ROS 2 development options.
- Can be mounted in different orientations when the application is engineered accordingly.
- Large enough developer ecosystem for research, prototyping and custom automation.
- Current hardware pricing can be attractive compared with mainstream premium cobots.
Cons
- Five axes restrict tool orientation compared with a conventional six-axis robot.
- Cartesian linear and circular movement has only four flexible degrees of freedom.
- 3 kg payload can become restrictive after adding a gripper, camera or other end-of-arm tooling.
- ±0.1 mm repeatability is sufficient for many tasks but weaker than some industrial alternatives.
- The robot and controller are not waterproof.
- A low robot purchase price does not include the complete automation cell.
- ROS and custom integration still require robotics engineering knowledge.
- Public UFACTORY documentation contains small specification differences between versions, so critical envelope values should be confirmed for the exact hardware revision being purchased.
Our recommendation: shortlist the xArm 5 when the process is simple enough that five axes are genuinely sufficient. If you are choosing it primarily to save money over a six-axis arm, model the required tool orientations first. A task that cannot be solved reliably with five axes will not become economical because the robot itself was cheaper.
See the UFactory xArm 5 product listing for product information and current sourcing options.
How Much Does the UFactory xArm 5 Cost in 2026?
When checked on 11 September 2026, UFACTORY USA listed the xArm 5 at US$6,000 with either AC or DC control-box configurations shown on the product page. The page was also marked out of stock at the time of review, so US$6,000 should be treated as a current U.S. price reference—not a guarantee of immediate availability or a universal global selling price.
Regional distributors may use different pricing, currencies, cable lengths, controller packages, shipping terms and accessory bundles.
More importantly, the arm price is not the automation-system price.
| Cost layer | Examples | Buyer question |
|---|---|---|
| Robot | xArm 5, controller, cables and included standard components | Exactly what is supplied at the quoted price? |
| End-of-arm tooling | Mechanical gripper, vacuum gripper, custom fingers, force/torque sensor or third-party tooling | Does the combined tool and workpiece remain inside the payload limit? |
| Vision and sensing | Cameras, lighting, proximity sensors, fixtures and calibration hardware | Can the process use fixed fixturing, or does it actually require machine vision? |
| Cell hardware | Robot stand, table, guarding, safety scanner, emergency stops, conveyors or feeders | What is required for a complete and safe workstation? |
| Integration | Programming, PLC communication, tooling design, calibration and commissioning | Can your internal team integrate the system, or will you need an integrator? |
| Production support | Training, spare parts, replacement tooling, maintenance and engineering support | Who owns the cell after commissioning? |
Do not compare robot-arm prices alone
A US$6,000 robot can still become a US$15,000, US$25,000 or more automation project once tooling, sensing, safety and engineering are added. Conversely, a simple research or bench-top application may require very little beyond the robot and an end effector.
The useful comparison is therefore:
total installed cost ÷ useful production output
—not robot purchase price alone.
If budget is one of your main decision factors, see the Anton Robots cobot price guide before comparing platforms.
What Is the UFactory xArm 5?
The xArm 5—also described in current UFACTORY documentation as the xArm 5 Lite—is a lightweight five-axis robotic arm designed for relatively simple repetitive automation, development and research tasks.
It carries up to 3 kg, reaches 700 mm and uses five rotary joints. UFACTORY positions it closer to simple SCARA-style applications than to the more complex six-axis tasks targeted by the xArm 6.
That distinction is important.
What the xArm 5 is
- A compact five-axis robotic arm.
- A platform for light pick-and-place and material-handling tasks.
- A programmable robot for Python, C++, ROS and ROS 2 development.
- A relatively accessible entry point into industrial-style robotic automation.
- A useful platform for university, laboratory and robotics R&D environments.
- A lower-cost member of UFACTORY’s xArm family.
What the xArm 5 is not
- It is not mechanically equivalent to a six-axis cobot.
- It cannot provide arbitrary tool orientation throughout the workspace.
- It is not waterproof.
- It is not a complete automation cell by itself.
- It is not automatically safe for unrestricted human collaboration simply because it is marketed in the collaborative-robot category.
- It is not the best xArm model when orientation flexibility or heavier payload is essential.
If you are still comparing robot categories rather than individual models, start with our guide to collaborative robots or browse industrial robots.
UFactory xArm 5 Specifications
The following values reflect current UFACTORY documentation checked for this review.
| Robot type | Five-axis robotic arm |
|---|---|
| Degrees of freedom | 5 |
| Maximum payload | 3 kg |
| Reach | 700 mm |
| Published repeatability | ±0.1 mm |
| Maximum TCP speed | 1 m/s |
| Maximum joint speed | 180°/s |
| Robot body weight | Approximately 11.2 kg in current documentation |
| Joint 1 | ±360° |
| Joint 2 | Approximately −118° to +120° |
| Joint 3 | Approximately −225° to +11° in current xArm comparison documentation |
| Joint 4 | Approximately −97° to +180° |
| Joint 5 | ±360° |
| Published ambient range | 0°C to 50°C |
| Typical published power consumption | Approximately 200 W |
| Robot footprint | Ø126 mm |
| Mounting | Multiple mounting orientations supported |
| Programming | UFACTORY Studio, Blockly, Python, C++, ROS and ROS 2 |
| Controller communication | Ethernet |
Important documentation differences
Not every public UFACTORY document gives identical historical values. For example, one technical documentation page lists the xArm 5 body at 11.3 kg and shows slightly different J2/J3 limits from the newer comparison and user-manual values, while current documentation lists approximately 11.2 kg.
These are small differences, but they matter if an integrator is designing fixtures around the edge of the robot’s motion envelope.
Buyer rule: use public specifications for initial selection, but design the final cell from the hardware manual and drawings corresponding to the exact robot/controller revision on the purchase order.
The xArm 5’s Five-Axis Limitation: What Buyers Need to Understand
This is the single most important technical issue in the xArm 5 buying decision.
A conventional six-axis articulated robot can generally control six Cartesian variables: three positions and three orientations.
The xArm 5 has only five physical joints.
More importantly, UFACTORY documents that during Cartesian linear and circular motion, the xArm 5 has four flexible Cartesian degrees of freedom: X, Y, Z and yaw.
That makes its behaviour closer to a SCARA-style process than to a full six-axis arm for some applications.
Why does this matter?
Imagine picking a component vertically from a tray and placing it vertically into another fixture.
That may be an excellent xArm 5 task.
Now imagine that the same component must be:
- picked vertically,
- rotated through a changing pitch angle,
- moved around an obstruction,
- approached horizontally, and
- inserted at an arbitrary compound orientation.
A six-axis robot has considerably more freedom to solve that path.
The xArm 5 may require redesigning the fixture, changing the motion sequence, using joint-space moves or may simply be the wrong robot for the application.
Cartesian-motion constraint
UFACTORY states that before normal Cartesian control, the xArm 5 end flange should be aligned parallel to the robot base. For a horizontally mounted robot, roll and pitch are normally constrained around the required parallel orientation.
Later firmware provides an approximate-solution option that can relax the restriction in some cases, but that does not add a physical sixth joint.
Joint-space movement offers more flexibility
The robot still has five controllable joints in joint space. It is therefore possible to change orientations using joint commands, then return to an attitude suitable for Cartesian movement.
This can solve some applications.
It also makes programming more process-dependent than simply specifying arbitrary six-dimensional Cartesian poses.
The buying test
Before ordering an xArm 5, model at least:
- the pick pose,
- the travel path,
- the placement pose,
- all required tool orientations,
- obstacles and fixtures, and
- the actual gripper geometry.
If those poses cannot be solved comfortably, buy the extra axis.
Reach, Speed and Repeatability
On headline specifications, the xArm 5 is unusually capable for a compact robot.
700 mm reach
The 700 mm reach is one of its strongest features. It gives the robot substantially more workspace than many small desktop arms while preserving a small base footprint.
That can be useful for:
- moving parts between multiple trays,
- servicing two adjacent machines,
- reaching across a laboratory bench,
- handling test samples across several stations, and
- covering a relatively wide work envelope without a linear rail.
Reach alone does not guarantee accessibility. The five-axis kinematics, joint limits, singularities and tooling geometry still determine whether a specific point can be reached in the required orientation.
1 m/s maximum TCP speed
UFACTORY publishes a maximum TCP speed of 1 m/s and maximum joint speed of 180°/s.
That is respectable for light automation, but the maximum specification should not be treated as the expected production cycle speed.
Real cycle time depends on:
- distance travelled,
- payload,
- acceleration settings,
- motion type,
- corner blending,
- gripper actuation,
- vision latency,
- part presentation,
- safety configuration, and
- settling time.
Run the actual cycle before calculating output per hour.
±0.1 mm repeatability
The published repeatability is ±0.1 mm.
That should not be confused with absolute positioning accuracy.
Repeatability tells you how consistently the robot can return to a taught position under defined conditions. Whether ±0.1 mm is sufficient depends on the complete tolerance stack—including fixture variation, gripper compliance, part variation, calibration and vision.
For general pick-and-place, testing and material handling, ±0.1 mm may be entirely adequate.
For very tight insertion, metrology or precision manufacturing, compare the complete process requirement rather than the robot headline alone.
UFactory xArm 5 Programming: Studio, Blockly, Python, C++ and ROS 2
Software accessibility is one of the xArm platform’s strongest arguments.
Buyers can start graphically and move progressively toward custom code as the project becomes more advanced.
UFACTORY Studio
UFACTORY Studio provides a graphical environment for configuring and programming the robot. It is intended to reduce the amount of robotics code required for straightforward applications.
For a simple automation project, this can shorten the path from unboxing to first movement.
Typical setup work includes:
- robot configuration,
- motion teaching,
- coordinate setup,
- payload configuration,
- I/O logic,
- speed and motion settings, and
- Blockly programming.
Blockly
Blockly provides visual block-based programming.
That is valuable for users who understand the production process but do not want to build the entire application in Python or C++.
It also makes xArm useful in education, training and rapid prototyping.
Python SDK
The official xArm Python SDK provides a more direct route into custom applications.
Python is particularly useful when the robot needs to connect with:
- computer vision,
- AI models,
- databases,
- custom laboratory software,
- web applications,
- machine-learning pipelines, or
- other Python-based automation.
C++ SDK
UFACTORY also maintains a C++ SDK for developers who prefer a compiled environment or need to integrate the arm into a larger robotics stack.
ROS and ROS 2
Official ROS and ROS 2 packages are available for the xArm family.
The current ROS 2 repository documents tested environments including Ubuntu 20.04 with Foxy/Galactic, Ubuntu 22.04 with Humble and Rolling, and Ubuntu 24.04 with Jazzy.
It includes packages for robot descriptions, control, API access, MoveIt configuration, planning, Gazebo-related work and other development functions.
This is a genuine advantage for research and custom robotics.
It does not mean every ROS project is plug-and-play.
A production deployment may still require:
- Linux and ROS expertise,
- launch-file configuration,
- network setup,
- tool models,
- MoveIt configuration,
- custom gripper integration, and
- testing against the exact firmware and package version.
Developer verdict: the xArm 5 is much more compelling as an engineering platform than a robot that locks buyers into one proprietary workflow. The trade-off is that openness transfers some responsibility to the integrator.
I/O, Controls and Integration
The xArm platform provides the interfaces required for more than isolated robot demonstrations.
Current technical documentation lists controller digital and analogue I/O together with Ethernet communication and RS-485 capabilities.
This allows the robot to interact with devices such as:
- PLCs,
- sensors,
- push buttons,
- fixtures,
- grippers,
- vacuum generators,
- machine tools,
- conveyors, and
- external automation equipment.
Do not design from “supports I/O”
Create an I/O map before purchase.
For every external device, document:
| Integration item | Question |
|---|---|
| Signal | What exact input or output is required? |
| Voltage | Are voltage and current levels compatible? |
| Protocol | Digital I/O, analogue, RS-485, Ethernet or another protocol? |
| Timing | How quickly must the device respond? |
| Safety | Is this ordinary control logic or safety-rated logic? |
| Failure state | What happens if communication is lost? |
A robot API and ordinary controller I/O should never be assumed to replace a required safety-rated control architecture.
What Grippers and End Effectors Work with the UFactory xArm 5?
UFACTORY offers first-party gripper and vacuum options, and the platform can also interface with compatible third-party tools.
The correct tool depends more on the workpiece than on the robot.
UFACTORY gripper
The standard xArm gripper is an electrically actuated option with programmable position and speed.
It can be a convenient choice for general pick-and-place where workpieces can be captured between fingers.
Custom fingers may still be required to:
- locate irregular parts,
- protect delicate surfaces,
- increase friction,
- reach into trays, or
- control part orientation.
Vacuum gripper
Vacuum tooling can simplify handling of:
- flat components,
- cartons,
- smooth plastic parts,
- sheet material, and
- objects unsuitable for parallel fingers.
UFACTORY documentation gives the vacuum accessory its own handling specification, but the xArm 5 itself remains a 3 kg robot.
Do not interpret a higher accessory suction rating as permission to exceed the robot’s allowable payload.
Third-party tools
UFACTORY documents support for integrating third-party end effectors through available tool communication and I/O.
This is useful when the application needs:
- a specialised gripper,
- a screwdriver,
- a dispenser,
- a sensor,
- a camera,
- a custom research device, or
- another lightweight tool.
The payload-budget mistake
The workpiece is not the only mass that matters.
Your working payload calculation should consider:
tool + adapter + fingers + sensor hardware + cables supported by the arm + workpiece
together with centre of gravity and dynamic effects.
A 3 kg arm carrying an 800 g gripper does not offer the same usable workpiece budget as a 3 kg arm carrying a 200 g vacuum tool.
Installation and Workspace Planning
At roughly 11.2 kg for the robot body and a 126 mm footprint, xArm 5 is physically manageable compared with many traditional industrial arms.
That does not make installation trivial.
Base structure
The mounting surface must be rigid enough that robot acceleration does not flex or vibrate the structure.
A weak table can turn a repeatable robot into an inconsistent process.
Workspace
Model:
- maximum robot envelope,
- tool length,
- workpiece dimensions,
- joint sweep,
- fixtures,
- operator access,
- cable routing,
- singularity zones, and
- maintenance clearance.
Mounting orientation
UFACTORY documentation supports mounting in different orientations.
However, ceiling or wall mounting changes the practical application design, cable routing, gravitational loading and recovery procedure.
Validate the exact configuration rather than assuming the horizontal-table setup transfers directly.
Singularities
Like other articulated robots, xArm can encounter configurations where a Cartesian motion approaches a singularity.
UFACTORY specifically warns about regions around the axis above and below the robot base where joint velocities can become problematic.
Good cell layout prevents routine production paths from repeatedly forcing the robot through difficult kinematic regions.
Is the UFactory xArm 5 Safe for Collaborative Use?
The word “collaborative” should describe a validated application, not merely a robot purchase.
A complete risk assessment must consider the robot, tool, workpiece, speed, force, fixtures, nearby machinery and human interaction.
A rounded robot arm holding a sharp component can still create a hazard.
A low-payload robot can still trap fingers against a fixture.
A safe robot can become part of an unsafe machine.
Questions to answer before operation
- Can the robot crush or trap someone against a fixed object?
- Does the tool have sharp edges?
- Can the workpiece be dropped or ejected?
- Is stored pneumatic or electrical energy present?
- Does the robot interact with another hazardous machine?
- Who can enter the workspace?
- What happens after a fault or unexpected restart?
- Where are emergency stops located?
- Are additional guarding, scanners or interlocks required?
Water and environmental protection
UFACTORY’s published FAQ is unambiguous: neither the xArm robot nor the xArm controller is waterproof.
That makes the xArm 5 a poor default choice for:
- washdown cells,
- outdoor installations exposed to rain,
- wet food-processing zones,
- heavy coolant spray, or
- applications where liquid ingress is expected.
Do not assign the robot an IP rating that UFACTORY does not currently specify for the exact configuration.
Certification
Certification should also be verified at model level.
Do not inherit a safety or compliance claim from a different xArm model simply because the robots share a family name. For regulated production installations, request the declaration, standards and documentation that apply to the exact xArm 5 system being supplied in your region.
Published xArm 5 Research: What Does the Evidence Show?
The xArm family appears in robotics and human-robot interaction research, but this evidence needs to be interpreted correctly.
Academic use demonstrates that researchers can build real systems around the platform. It does not prove that every industrial process will achieve a particular production rate or ROI.
| Application | What it demonstrates | What it does not prove |
|---|---|---|
| Custom low-cost gripper research | xArm 5 can act as a practical platform for developing and testing custom end effectors. | That a custom prototype is automatically ready for industrial production. |
| Human-robot interaction experiments | The platform can be integrated with sensing and experimental collaboration systems. | That the research configuration satisfies every industrial safety requirement. |
| Mixed-reality and Python-based control research | The SDK supports integration into higher-level experimental software. | That every third-party software integration is plug-and-play. |
The evidence gap that buyers should recognise
Compared with larger industrial-cobot brands, there is less publicly documented, quantified production evidence showing metrics such as:
- multi-year uptime,
- mean time between failures,
- millions of production cycles,
- maintenance cost,
- verified labour savings, and
- payback periods across named industrial deployments.
That does not mean the xArm 5 cannot perform reliably.
It means a serious production buyer should use a pilot and site acceptance test rather than substitute marketing claims for application evidence.
Best UFactory xArm 5 Use Cases
1. Pick and place
Best overall fit. Moving lightweight components between predictable positions is exactly the kind of application where a five-axis architecture can make economic sense.
Examples include trays, bins, inspection fixtures and simple conveyors.
2. Laboratory automation
The lightweight arm, 700 mm reach and programmable SDK make xArm 5 attractive for research setups where the robot must interact with instruments, samples or experimental hardware.
The main requirement is that the required tool orientations fit the five-axis kinematics.
3. Testing and inspection
The robot can repeatedly present a probe, camera or sensor to known positions.
This can support:
- visual inspection,
- button or switch testing,
- sensor positioning,
- electronic-device testing, and
- repetitive measurement workflows.
4. Education and robotics development
The combination of Blockly, Python, C++, ROS and ROS 2 makes the xArm 5 a useful bridge between educational desktop robots and considerably more expensive industrial platforms.
5. Light machine tending
The xArm 5 can fit straightforward loading/unloading applications where:
- the component is light,
- the machine interface is accessible,
- orientation is simple, and
- the automation cell provides the required safety interfaces.
6. Simple dispensing
Some dispensing paths can work well when the tool orientation remains compatible with xArm 5’s kinematics.
Applications requiring continuous arbitrary orientation are better served by a six-axis arm.
7. Prototyping automation before scale
For startups and engineering teams, xArm 5 can be an economical way to determine whether a process is robotically viable before investing in a larger production architecture.
When the UFactory xArm 5 Is Not the Right Robot
Reject or reconsider the xArm 5 when any of the following dominates the requirement:
- Complex tool orientation: choose a six- or seven-axis platform.
- Payload above 3 kg: move to a higher-payload robot rather than designing at the edge of the specification.
- Heavy or offset tooling: payload alone may not describe the moment loads created by the application.
- Wet environments: UFACTORY does not describe the xArm robot or controller as waterproof.
- Very high-speed production: compare verified cycle time, not maximum TCP speed alone.
- High-precision processes: ±0.1 mm repeatability may not satisfy the process tolerance.
- Turnkey expectations: buyers wanting a complete supported cell may prefer a mature integrator-led ecosystem.
- Minimal engineering resources: open SDKs are an advantage only if somebody can own integration and troubleshooting.
A cheaper robot that forces expensive fixture redesign, programming workarounds or repeated production intervention is not cheaper automation.
UFactory xArm 5 vs xArm 6, Universal Robots UR3e, Dobot CR3 and MG400
There is no universally better robot. The important comparison is what you receive for the task you need to automate.
| Robot | Axes | Payload | Reach | Published repeatability | Best reason to shortlist |
|---|---|---|---|---|---|
| UFactory xArm 5 | 5 | 3 kg | 700 mm | ±0.1 mm | Low-cost light automation where five axes are enough |
| UFactory xArm 6 | 6 | 5 kg | 700 mm | ±0.1 mm | Much greater orientation freedom and higher payload within the same family |
| Universal Robots UR3e | 6 | 3 kg | 500 mm | ±0.03 mm | More mature six-axis industrial ecosystem, higher published precision and extensive safety architecture |
| Dobot CR3 | 6 | 3 kg | 620 mm working radius; 795 mm maximum reach published | ±0.02 mm | Six-axis flexibility, high published repeatability and 2 m/s TCP specification |
| Dobot MG400 | 4 | 500 g rated; 750 g maximum | 440 mm | ±0.05 mm | Very compact desktop automation for much lighter workpieces |
Choose xArm 5 when:
- 3 kg is sufficient.
- 700 mm reach is valuable.
- The tool can remain in a compatible orientation.
- Software openness and development access matter.
- Robot acquisition cost is highly important.
Choose xArm 6 when:
- You need a true sixth axis.
- You want 5 kg rather than 3 kg payload.
- The process may become more complex later.
- The incremental hardware cost is smaller than the engineering cost of working around five axes.
Choose UR3e when:
- You value a mature industrial ecosystem.
- ±0.03 mm published repeatability matters.
- Integrated safety architecture and broad integrator support outweigh purchase-price differences.
- 500 mm reach is enough.
Choose Dobot CR3 when:
- You need six axes and 3 kg payload.
- Published ±0.02 mm repeatability is attractive to the application.
- You want higher published TCP speed.
Choose MG400 when:
- The parts are very light.
- The workspace is small.
- A four-axis desktop architecture is enough.
- Compactness matters more than 700 mm reach or 3 kg payload.
For a broader category comparison, see our guide to 6-axis robot arms and the top robotic arm manufacturers.
UFactory xArm 5 vs xArm 6: Is the Upgrade Worth It?
For many buyers, this is the most important comparison.
Both robots share the same 700 mm published reach and 1 m/s maximum TCP-speed specification.
The xArm 6 adds:
- a sixth degree of freedom,
- 5 kg payload instead of 3 kg, and
- far more conventional control of end-effector orientation.
| Degrees of freedom | xArm 5: 5 | xArm 6: 6 |
|---|---|---|
| Payload | xArm 5: 3 kg | xArm 6: 5 kg |
| Reach | xArm 5: 700 mm | xArm 6: 700 mm |
| Max TCP speed | xArm 5: 1 m/s | xArm 6: 1 m/s |
| Repeatability | xArm 5: ±0.1 mm | xArm 6: ±0.1 mm |
| Primary advantage | Lower-cost simple automation | Greater flexibility and payload |
When the xArm 5 is the smarter purchase
If the application is already known to require only simple planar or vertically oriented handling, the sixth axis may add little economic value.
In that situation, buying capability you do not need can be unnecessary.
When the xArm 6 is the smarter purchase
If there is uncertainty about:
- future product variants,
- machine layout,
- approach angles,
- tooling,
- fixture orientation, or
- future reuse of the robot,
the xArm 6’s additional flexibility can be valuable insurance.
The robot is usually only one part of the project cost. Saving on the arm while increasing engineering time can be a false economy.
Is the UFactory xArm 5 Worth It?
The xArm 5 can offer very strong value when it replaces a repetitive lightweight task that fits naturally inside its five-axis motion envelope.
Its value proposition deteriorates quickly when engineers must redesign the process to compensate for missing flexibility.
Build ROI from the process
A simple annual automation model is:
Annual benefit = labour displaced or redeployed + additional output + quality savings + avoided ergonomic cost − annual operating cost.
Then:
Payback period = total implementation cost ÷ monthly net benefit.
Include the full implementation cost
- Robot and controller.
- Gripper or other tool.
- Custom fingers and adapters.
- Vision or sensors.
- Robot stand and fixtures.
- Safety equipment.
- Integration and programming.
- Commissioning.
- Training.
- Spare parts.
- Internal engineering time.
- Expected downtime and maintenance.
Measure the benefit
- Current operator minutes per cycle.
- Cycles per shift.
- Shifts per year.
- Scrap or rework avoided.
- Additional machine utilisation.
- Output gained.
- Ergonomic or repetitive-motion exposure reduced.
The most important xArm 5 ROI variable
For this specific robot, add another line:
engineering cost created by five-axis constraints.
If the application needs substantial workarounds to fit the robot’s kinematics, compare that cost directly against buying the xArm 6 from the beginning.
UFactory xArm 5 Buying Checklist
- Define the task. Specify exactly what the robot picks, where it starts and where it finishes.
- Record the complete payload. Include workpiece, tool, fingers, adapters and sensors.
- Map every required orientation. Do not evaluate xArm 5 from position coordinates alone.
- Simulate or test the five-axis motion. Confirm all important poses and trajectories can be achieved.
- Check reach. Include tool length, fixtures and approach distance.
- Validate cycle time. Test the real motion rather than dividing travel distance by 1 m/s.
- Confirm tolerances. Make sure ±0.1 mm robot repeatability is compatible with the complete process.
- Select the tool. Decide between mechanical, vacuum or specialised tooling.
- Create an I/O map. Document every external signal and communication interface.
- Plan safety. Perform an application-level risk assessment and identify required protective measures.
- Check the environment. Do not use the robot where water exposure exceeds its documented conditions.
- Confirm the exact controller package. AC/DC options and cable configurations can differ.
- Confirm software versions. Match firmware, Studio and SDK versions to the intended deployment.
- Request exact compliance documentation. Verify standards for the exact robot supplied in your region.
- Calculate installed cost. Include engineering rather than comparing robot purchase prices only.
- Compare xArm 6 before committing. Quantify whether the additional axis would reduce integration complexity.
- Run a pilot. Reproduce the real payload, fixture and cycle before scaling.
Pro tip: if you are trying to prove that a process fits a five-axis robot after choosing the xArm 5, the purchasing sequence is backwards. Prove the motion first; choose the robot second.
How to Buy the UFactory xArm 5
The xArm 5 is available through UFACTORY and regional sales channels, although pricing, stock and package contents vary.
A useful RFQ should provide more than “please quote xArm 5.”
Include:
- country and delivery location,
- application description,
- workpiece mass and dimensions,
- required reach,
- required tool orientations,
- cycle time target,
- gripper requirements,
- controller preference,
- integration protocol,
- operating environment,
- safety requirements, and
- target installation date.
Ask the supplier to state:
- exact robot revision,
- controller type,
- cable lengths,
- included accessories,
- software included,
- warranty,
- support location,
- lead time,
- shipping terms, and
- all optional-tool pricing.
Review the UFactory xArm 5 listing or use Find My Robot if you want to compare the application against other robot types before requesting a quote.
What Is Current for UFactory xArm 5 in 2026?
The xArm 5 is not a newly introduced 2026 platform, but the surrounding software and development ecosystem remains active.
UFACTORY Studio
UFACTORY’s official download resources list xArm Studio v1.0.2 dated 15 April 2026 for Windows, macOS and Linux.
Current downloadable hardware resources
UFACTORY’s 2026 download portal continues to provide:
- xArm 5/6/7 hardware documentation,
- developer documentation,
- xArm 5 3D files,
- controller 3D files,
- gripper documentation,
- vacuum-gripper documentation,
- force/torque sensor documentation, and
- official SDK links.
Active developer ecosystem
UFACTORY’s public GitHub organisation remained active in 2026, with updates across the xArm Python SDK, ROS, ROS 2, teleoperation and vision-related repositories.
That matters more than a marketing refresh for a development platform: long-term usefulness depends heavily on whether the software interfaces remain maintained.
Do not assume “latest” means “update everything”
Production systems should prioritise validated combinations of:
- robot firmware,
- UFACTORY Studio,
- SDK version,
- ROS/ROS 2 packages, and
- custom application code.
An update can solve problems while also introducing changes that require retesting. Treat production robot software like industrial infrastructure, not a consumer phone app.
UFactory xArm 5 FAQ
How much does the UFactory xArm 5 cost?
When checked on 11 September 2026, UFACTORY USA listed the xArm 5 at US$6,000. Regional price, stock, taxes, shipping, controller configuration and accessories vary, so request a current quotation for the installed system.
What is the payload of the xArm 5?
The published maximum payload is 3 kg. Tooling and workpiece mass must be considered when engineering the final payload configuration.
What is the reach of the xArm 5?
UFACTORY publishes a 700 mm reach.
How accurate is the UFactory xArm 5?
UFACTORY publishes ±0.1 mm repeatability. Repeatability is not the same as absolute positioning accuracy, and complete application accuracy also depends on fixtures, tooling, calibration and the workpiece.
How fast is the xArm 5?
The published maximum TCP speed is 1 m/s and maximum joint speed is 180°/s. Actual cycle speeds depend on the programmed motion and application.
Is the xArm 5 a cobot?
UFACTORY positions the xArm family for collaborative and light automation applications. Whether a completed installation can safely operate collaboratively depends on the entire application and its risk assessment, not the robot name alone.
How many axes does xArm 5 have?
Five.
Is a five-axis robot the same as a six-axis robot?
No. A missing axis reduces the freedom with which the end effector can be oriented. On the xArm 5, UFACTORY specifically documents only four flexible Cartesian degrees of freedom during linear and circular Cartesian movement: X, Y, Z and yaw.
Can xArm 5 perform linear movements?
Yes, but its Cartesian motion has orientation constraints that buyers should understand before designing the process.
Can xArm 5 replace a SCARA robot?
For some simple handling applications, potentially. UFACTORY itself describes xArm 5 as suitable for repetitive tasks similar to those handled by SCARA robots. Cycle time, footprint, Z travel, tooling and production requirements still need direct comparison.
Can xArm 5 do machine tending?
Yes, for suitable light components and machine layouts. If the door, fixture or part requires complex approach orientations, a six-axis arm may be more appropriate.
Can the UFactory xArm 5 use Python?
Yes. UFACTORY maintains an official Python SDK.
Does xArm 5 support C++?
Yes. An official C++ SDK is available.
Does xArm 5 support ROS?
Yes. UFACTORY maintains ROS packages for the xArm series.
Does xArm 5 support ROS 2?
Yes. UFACTORY maintains a dedicated xArm ROS 2 repository with support documented across several Ubuntu and ROS 2 distributions.
Does xArm 5 work with MoveIt?
The official ROS/ROS 2 ecosystem includes MoveIt-related packages and examples. Custom projects can still require configuration and robotics-development work.
Can xArm 5 use a vacuum gripper?
Yes. UFACTORY offers vacuum-gripper options and the platform can also support compatible custom tooling.
Can xArm 5 use third-party grippers?
Potentially yes, provided the mechanical interface, mass, electrical requirements and communication method are compatible.
Is the UFactory xArm 5 waterproof?
No. UFACTORY explicitly states that neither the xArm robot nor the controller is waterproof.
What temperature can xArm 5 operate in?
Current technical documentation gives an ambient operating range of 0°C to 50°C, with additional caution around continuous high-speed operation at elevated temperatures.
Can xArm 5 be mounted upside down?
UFACTORY documentation supports multiple mounting orientations. The final structure, motion, cabling and risk assessment still need to be engineered for the chosen orientation.
What is the difference between xArm 5 and xArm 6?
xArm 5 has five axes and a 3 kg payload. xArm 6 has six axes and a 5 kg payload. Both publish 700 mm reach and 1 m/s maximum TCP speed. The sixth axis is the major practical difference because it gives xArm 6 substantially more freedom to control tool orientation.
What is the difference between xArm 5 and xArm 7?
The xArm 7 has seven degrees of freedom and a published 3.5 kg payload. Its additional redundancy is particularly useful for research and applications requiring greater pose flexibility.
Is xArm 5 better than Universal Robots UR3e?
Not universally. xArm 5 offers 700 mm reach and potentially much lower hardware acquisition cost. UR3e provides six axes, ±0.03 mm published repeatability, a mature industrial ecosystem and a more extensive documented safety architecture. The better robot depends on the application and total project cost.
Is the UFactory xArm 5 worth buying?
Yes, when 3 kg payload, 700 mm reach and five-axis movement fit the process. If the task needs unrestricted tool orientation, choosing the xArm 6 or another six-axis platform is usually more sensible than engineering around the xArm 5’s kinematic constraints.
Final Verdict: Should You Buy the UFactory xArm 5?
Buy or pilot the UFactory xArm 5 when you need an affordable, programmable 3 kg robot for a well-defined lightweight task—and you have confirmed that five axes are enough.
Its 700 mm reach, ±0.1 mm published repeatability, 1 m/s maximum TCP speed, compact 11.2 kg body and broad programming options create an unusually capable platform for its price class.
The biggest mistake would be evaluating it only from those headline numbers.
The xArm 5’s defining trade-off is its kinematics. Its five-axis architecture places real restrictions on tool orientation, especially during Cartesian trajectories. For simple handling, that may barely matter. For complex assembly or arbitrary approach angles, it can determine whether the process works at all.
That makes the purchasing decision relatively simple:
If the process fits five axes, xArm 5 can be excellent value.
If you need to engineer around the missing sixth axis, compare the xArm 6 before doing anything else.
The smartest buying path is therefore a task-first pilot: real workpiece, real gripper, real fixture, real motion, real cycle-time target and explicit acceptance criteria.
View the UFactory xArm 5 at Anton Robots, compare it with the UFactory xArm 6, or use Find My Robot to identify alternatives for your application.
