Measuring Wheel Accuracy Testing & Quality Control

Incoming and preparation

Check components against the confirmed production requirement.

The team reviews key molded parts, wheel and tread components, rod materials, counters, fasteners and order-specific appearance requirements before assembly.

In-process inspection

Check assembly, movement and core functions during production.

Assembly checkpoints cover wheel rotation, counter operation, reset controls, joints, handles, stands and other model-specific functions. Issues found during production are separated for correction before final inspection.

Distance verification

Verify outgoing accuracy on a controlled 30-meter guide rail.

The factory outgoing inspection standard is ±0.3%. During the controlled 30 m guide-rail test, measured error must remain below 0.10 m.

These figures describe factory inspection under controlled test conditions. Field accuracy depends on surface, wheel contact and operation; review the test method and acceptance details for the selected model and order.

Test conditions and field use

Review accuracy under the conditions your customers use.

For sample review, use a known straight route, confirm the counter unit and reset the reading at a defined start point. Keep the wheel in contact with the surface and record both the reference distance and displayed reading. Agree the method with DINGBANG before using the result as an acceptance check.

• Loose gravel, bumps and uneven surfaces can change wheel contact.
• Wheel slip, lifting the wheel and debris on the tread can affect the reading.
• A curved or wandering route measures the path rolled rather than the straight distance between two points.
• Different starting points, counter units or reset procedures make results harder to compare.

Final and packing review

Match the finished order before it leaves the factory.

Final review covers product function, appearance, quantity, color, logo, packing, manual language and carton marks against the approved order information.

• Function and reset check
• Appearance and branding check
• Packaging and accessory check
• Quantity and carton-mark review

Compliance documents

CE/EMC documentation available.

Documentation can be supplied for buyer review. Applicable model coverage, test scope and certificate-holder information should be confirmed against the original documents before a compliance claim is used in your market.