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Measuring station for in-process production control
Manual measuring station for in-field measurements and factory production control (FPC) on large-format sheet-metal parts up to 3000 × 1500 mm. It evaluates distortion, dimensions and sag.
- Industry
- Sheet-metal industry
- Use
- In-field measurement, FPC during production
- Part size
- up to 3000 × 1500 mm
- Evaluation
- Distortion, dimensions, squareness, sag
- Construction
- Aluminium-profile frame
Starting point
Large-format sheet-metal parts need to be checked during production, not only at the end. With a tape measure and calipers, results depended on the operator, were not traceable and barely repeatable on 3 m parts.
Solution
A manual measuring station right at the line, built from aluminium profiles. The part rests freely on ten edge supports, just as in its later installed state. Nothing clamps, nothing falsifies the distortion.
Displacement sensors with master calibration capture length, width and squareness. Probes on the movable measuring bridge determine flatness and sag. An IO-Link monitoring unit evaluates the values without a PLC and stores them per order as a CSV file.
Tolerances are stored per product and automatically checked against the measured values.
Result
- Measurement during production instead of a final spot check
- Distortion, dimensions and sag recorded reproducibly
- Measurement record per order as evidence for FPC
