Optical Character Verification

The latest vision systems from Pryor are capable of reading and verifying alphanumeric marks. If a part is marked with an alphanumeric code, serial number, or product identifier, the system can automatically check the quality of the mark against a defined standard.

This eliminates any legibility issues with critical identifying marks. The mark quality can be set to ensure it remains legible throughout the product life cycle. The verification image is stored for quick and easy evidence of passing the manufacturing process.

In this example, an automotive engine is marked with the key element of the Vehicle Identification Number (VIN), and the code is automatically verified against the required mark.

Overview

Optical Character Reading (OCR) has become commonplace with desktop PC applications to input text from existing printed documents to editable format.

Using this technology, combined with the latest machine vision systems and lighting configurations, a metal indented mark can be automatically read and fed into logging or reporting databases and spreadsheets, or used as an input for further process control.

Optical Character Verification (OCV) takes this technology to the next level. By analysing each alphanumeric character against a defined standard, the quality of the mark can be instantly checked to ensure it will survive the product life cycle without any ambiguity. The verification image is stored as evidence for future quality checks.

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