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AUTOMOTIVE · COUNT VERIFICATION

Piston Ring Counting Before Packing

A camera-based counting station checks a loaded ring stack against the expected bundle quantity. Operators receive a clear PASS or FAIL before the batch goes to packing.

The challenge

What needed solving

An extra or missing ring can force an assembly operator to recheck a piston batch. Thin, closely stacked rings are difficult to count consistently by hand.

The solution

How Qualitas solved it

Qualitas combined a ring-holding jig, camera and controlled lighting with counting software and an operator interface. The selected ring model and expected quantity determine the batch check.

The ring stack and its visible edges

An illuminated piston-ring stack.
Closely spaced ring edges with reference lines for counting.

From a loaded stack to a packing decision

StepWhat happens
Load and selectPlace the rings on the jig, select the ring model and enter the expected bundle count.
Capture and countTrigger the camera. Controlled lighting reveals the ring edges for image-based counting.
Verify and recordThe interface retrieves the count and compares it with the expected quantity. Matching batches show PASS; mismatches show FAIL.

Sherlock vision software performs model-specific counting, with results displayed in a custom Qualitas interface. The selected model and expected count support inspection traceability.

See the counting workflow

Public Qualitas footage shows camera-and-light capture, a displayed count and a FAIL result when the count does not match the required set.

Value at the packing checkpoint

  • A repeatable count check at the point where a ring bundle is prepared.
  • An explicit mismatch result before the batch reaches packing.
  • Model-specific recipes and an operator interface suited to the counting workflow.

Share ring thickness, diameter, finish, stack height and required bundle count. We can assess the fixture, lighting and counting approach on your actual samples.

Request project details

Need a similar vision system on your line?

Share your parts, required checks and production conditions. Our engineers can assess the imaging, inspection approach and integration.