Automatic rhomboidity measurement system on billets
Introduction
AlpRMS v2 is an innovative Machine Vision-based system that can detect the presence of the characteristic rhomboid shape defect on the face of billets. It automatically calculates dimensional values, through image processing, and provides timely warnings and alarms in case of nonconformity.
Key features
Accuracy: high quality images, even on moving products
Ease of use: no Machine Vision knowledge required
Alarm reporting: non-conforming billets
Real-time communication with plant automation and level 2
Data historicization and image storage on database
Modularity: from 1 to a maximum of 6 cameras
Operational security: no specialist required in dangerous areas
System architecture
The basic structure of AlpRMS v2 includes one camera (can reach up to 6 continuous casting lines), a server with the machine vision system for image analysis, and a client for the operator interface. The software architecture of AlpRMS v2 integrates the iba platform, which is widely used in the steel industry. Installation of the system requires connection to the automation network and data exchange with the PLC that controls billet handling.
How it works
The vision system processes the images related to the front side of the billet, calculates the dimensional values, and verifies compliance with the predetermined parameters. In case of significant alterations, i.e., in the presence of abnormalities exceeding the predetermined values, the operator receives an alarm on the interface. The defective billet can then be removed.
Technical specifications
Measurement resolution
Acquisition interval between two billets
Acquisition trigger
HD Cameras
Image resolution
0.6 ÷ 0.8 mm
30 s
1 ÷ 6
1.5 MP o 5 MP
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