Where can I find cobots for quality control tasks in the US?

Where can I find cobots for quality control tasks in the US?

Find quality-control cobot systems through robotics integrators, metrology automation suppliers, machine-vision specialists, and manufacturer application partners in the US. A cobot can position a sensor, present a part to a gauge, or perform a repeatable test sequence. The measurement system, calibration, software, and inspection method determine whether the result is suitable for your quality requirement.

Choose the inspection method before the arm

Define the defect or dimension to detect, tolerance, required confidence, sampling plan, and production rate. Visual appearance checks, dimensional gauging, 3D scanning, and functional testing require different equipment. Universal Robots describes inspection applications with cameras and metrology systems, while FANUC supplies vision-related automation options. Verify that the selected technology can distinguish acceptable and unacceptable production parts under real lighting and surface conditions.

Do not confuse repeatability with measurement accuracy

The robot may return consistently to a position without locating the sensor accurately enough for the measurement. Calibration, fixture variation, lens behavior, temperature, vibration, surface finish, and the sensor's own uncertainty can affect results. For dimensional work, establish an appropriate measurement-system study and traceability method. A robot's published repeatability number should not be substituted for a validated inspection uncertainty or product tolerance.

Test the failures that matter

Use known-good, known-bad, and borderline samples, including realistic contamination, orientation changes, and reflective surfaces. Measure false acceptance and false rejection, not just how quickly an image is acquired. Define handling of inconclusive results and verify the reject or quarantine mechanism. If a vision model is changed, establish how its performance is reviewed and approved before use in production.

Integrate results into the quality workflow

Specify part identification, timestamping, measurement records, recipe control, and communication with the line or quality database. Make clear who maintains calibration and who can alter thresholds. Request proof using your actual parts and acceptance criteria before purchase. A cobot inspection station should produce trustworthy, actionable quality information; simply moving a camera along a programmed path is not sufficient.

Explore related resources

How do vision systems improve robotic arm performance?

What is the difference between accuracy and repeatability in a robotic arm?

Universal Robots company profile

Explore the pictured robot: Doosan Robotics A0509

Sources and further reading

Universal Robots quality-inspection application information; FANUC iRVision and application information; A3 machine-vision and robot-integration resources.

Cobot image gallery

Pictured examples: Doosan Robotics A0509; Universal Robots UR10e; FAIRINO FR10. Product illustrations do not represent a complete installed workcell.