The system realizes the fixed-length measurement of the width, thickness and length of the continuously cast product through machine vision and laser rangefinding system. The measured data is transmitted to the host system through the optical fiber. The host system calculates the weight of each billet according to different steel grades and specific gravity, so that we can realize the fixed length measurement and fixed weight control of the cast products and the precise control of the steelmaking process in the production process. After cutting the billets by fixed weight and length, the fixed weight cut-to-length system is checked by the online weighing measurement system, so as to give feedback to the fixed length model of control system.

The slab number (automatic checking) can also be automatically identified online by using machine vision, and the weight and slab number can be automatically stored in the local database for use in the production and management system.


The main technical requirements

1. Width range of the inspected cast product: 120~2000 mm

2. Length range of the inspected cast product: 1000~20000 mm

3. Thickness range of the inspected cast product: 35~400 mm



4. Steel billet moving speed: < 3.5 m/s

5. Billet running speed: <6.5m/min

6. Temperature of the measured steel billet: 0~850 °C

7. Measurement accuracy: width ±0.2mm

thickness ±0.2mm

length ±0.2mm

8. Fixed weight accuracy: 0.8‰ (temperature model verification)

9. Quality inspection check: 1‰

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