SuperGrinders and IntelliGrind DDS in operation at Baosteel

Posted on 04 August 2016

After commissioning and start up, the new innovative plant combining Danieli Centro Maskin SuperGrinders technology and the IntelliGrind DDS automatic defects detection system is in operation


June 2016: Baosteel and Danieli jointly completed the performance tests on the new Baoshan Inspection and Grinding Plant which is now in production.

The new concept is based on the integration of scarfing for primary conditioning (full skin) and grinding for secondary conditioning (spot or pattern removal) in order to deal with large volume of carbonsteel slabs, over 1.2M Ton per annum. This process method allows to drop the volume of removed steel to the very minimum, as required to inspect surfaces and just remove all residual defects; thus a value ranging from 1.5% to 2.1% depending on slab size and surface conditions. At the same equivalent conditions a pure and single scarfing process forces to remove from 3% to 4% at minimum.
The innovative tool to assist an effective inspection of slabs after primary conditioning is the IntelliGrind system in its new DDS version (Depth Detection Surveyor) that, thanks to the application of the “shape of shading” technology, is able to elaborate a tri-dimensional model of the slab surface and automatically find defects also below 1mm in size.
The whole plant is designed to typically operate with slab surface temperature ranging from 600°C to 800°C.


Source: Danieli News and Events

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