UFactory End Effectors: Which Tools Work With xArm and Lite 6?

A robotic arm without an end effector is just an arm that moves. The tool at the end of the wrist, the gripper, the welding torch, the suction cup, the camera, is what determines what work actually gets done. If you're evaluating a UFactory xArm or Lite 6, end effector compatibility is one of the most important purchasing decisions you'll make alongside the arm itself.

Here's what you need to know about end effectors for UFactory cobots: what connects, what works well, and how to choose.

How UFactory Handles End Effector Compatibility

UFactory designed the xArm series as an open system. The end-tool flange follows the DIN ISO 9409-1-A50/A63 standard, which means it's compatible with a wide range of third-party end effectors, not locked into a proprietary ecosystem. The arm ships with a 12-pin end tool connection cable that provides both power and signal to the attached tool, including digital I/O, analog I/O, RS-485, and power supply lines.

This matters practically: you can pair a UFactory xArm 6 or xArm 7 with robotic grippers, OnRobot tools, custom pneumatic grippers, vacuum generators, welding torches, and camera systems, without custom engineering work.

The Lite 6 uses a smaller form factor and is rated for 1 kg payload, so end effector selection there skews toward lightweight grippers, small suction tools, and vision-only configurations appropriate for inspection and light assembly.

The Main Types of End Effectors for UFactory Arms

Mechanical grippers use jaws or fingers to clamp objects. They're the most common choice for pick-and-place, assembly, and machine tending, any task where you need a firm, repeatable grasp on a consistently shaped part. They're simple, reliable, and easy to configure. For most xArm applications involving manufactured parts, a two-finger parallel gripper is the default starting point.

Vacuum grippers use suction cups powered by a vacuum generator to lift flat or smooth objects. They're dominant in packaging, palletizing, and electronics handling, anywhere you're moving sealed cartons, circuit boards, glass panels, or flat sheet stock. Cycle times are fast and compatibility is broad. The limitation: porous, perforated, or highly irregular surfaces won't seal well.

Welding torches turn the xArm into a cobot welder. UFactory's open flange and I/O support make integration with standard robotic MIG torch systems straightforward, provided the torch is within the arm's payload rating.

Camera and vision systems are increasingly mounted as end effectors or near-wrist attachments. Vision-guided picking, inspection, and quality control all require a camera positioned close to the work. Blue Sky Robotics' automation software includes computer vision capabilities that pair with camera end effectors to enable dynamic part identification and positioning, not just rigid, pre-programmed pick paths.

Force/torque sensors are useful when the robot needs to feel its way through a task, insertion operations, surface finishing, sanding, or polishing where contact force matters more than precise positional repeatability.

UFactory's Own Gripper Accessories

UFactory offers a purpose-built gripper designed for the xArm series. It's a two-finger servo gripper with adjustable grip force and stroke, compatible with xArm Studio for direct software control. If you want a zero-integration, works-out-of-the-box option, the UFactory gripper is the path of least resistance.

For applications requiring more flexibility, handling objects of varying sizes, or tasks that switch between gripping modes, third-party adaptive grippers from Robotiq or OnRobot connect via the standard 12-pin interface and integrate with xArm Studio.

Choosing the Right End Effector for Your Application

The end effector decision follows from the task, not from the arm. Start with three questions:

1. What is the object's shape, surface, and weight?

2. What does the robot need to do with it, grip, lift, weld, inspect?

3. Does the task require force feedback, or is positional accuracy sufficient?

For most SMB automation scenarios, pick and place, machine tending, light assembly, a basic mechanical or vacuum gripper covers 80% of applications. If your parts are ferrous metal and consistent in shape, a magnetic gripper eliminates grip-force tuning entirely.

Not sure what fits your application? Use our Cobot Selector to narrow down both the arm and the likely end effector configuration based on your use case. Or book a live demo to talk through your specific parts and process.

CONCLUSION

UFactory's open architecture makes end effector selection genuinely flexible. Whether you're running a vacuum system on a UFactory Lite 6 for lightweight inspection tasks or pairing an xArm 6 with a robotic gripper for production pick-and-place, the standard flange and 12-pin interface mean you're not locked in. The arm starts at $3,500, the end effector choice is yours.

FAQ:

Q: Does UFactory make its own end effectors? 

A: Yes. UFactory offers a servo gripper compatible with the xArm series. Third-party tools from Robotiq, OnRobot, and others are also compatible via the standard DIN flange and 12-pin connector.

Q: Can I run vision-guided picking with a UFactory arm? 

A: Yes. Camera systems can be mounted at the wrist or on a fixed overhead position. Blue Sky Robotics' automation software includes computer vision integration for dynamic part handling.